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Bismarckstr. 81 (BA)
47057 Duisburg
Raum
BA 345

Funktionen

  • Akad. Oberrätin/-rat, Allgemeine und Theoretische Elektrotechnik

Die folgenden Publikationen sind in der Online-Universitätsbibliographie der Universität Duisburg-Essen verzeichnet. Weitere Informationen finden Sie gegebenenfalls auch auf den persönlichen Webseiten der Person.

    Artikel in Zeitschriften

  • Wang, Peng-Yuan; Sievert, Benedikt; Svejda, Jan Taro; Benson, Niels; Meng, Fan-Yi; Rennings, Andreas; Erni, Daniel
    A Liquid Crystal Tunable Metamaterial Unit Cell for Dynamic Metasurface Antennas
    In: IEEE Transactions on Antennas and Propagation (T-AP) Jg. 71 (2023) Nr. 1, S. 1135 - 1140
  • Starke, David; Bott, Jonathan; Vogelsang, Florian; Sievert, Benedikt; Barowski, Jan; Schulz, Christian; Rücker, Holger; Rennings, Andreas; Erni, Daniel; Rolfes, Ilona; Pohl, Nils
    A compact and fully integrated FMCW radar transceiver combined with a dielectric lens
    In: International Journal of Microwave and Wireless Technologies (2023) in press
  • Sievert, Benedikt; Wittemeier, Jonathan; Svejda, Jan Taro; Pohl, Nils; Erni, Daniel; Rennings, Andreas
    Coaxial Cable Based Magnetic and Electric Near-Field Probes to Measure On-Chip Components up to 330 GHz
    In: IEEE Antennas and Wireless Propagation Letters (L-AWP) Jg. 22 (2023) Nr. 10, S. 2472 - 2476
  • Biurrun-Quel, Carlos; Haddad, Thomas; Sievert, Benedikt; Kress, Robin; Weimann, Nils; Erni, Daniel; Rennings, Andreas; Stöhr, Andreas; Teniente, Jorge; del-Río, Carlos
    Design and Characterization of Terahertz CORPS Beam Forming Networks
    In: Journal of Infrared, Millimeter, and Terahertz Waves Jg. 44 (2023) Nr. 5-6, S. 430 - 457
  • Bröcheler, Claas; Thiel, Christian; Ludwar, Frank; Rennings, Andreas; Erni, Daniel
    Incoherent Shallow-Water Seabed Logging Using Numerical-Model-Based Optimization for the Prediction of Unperturbed UEP Signatures
    In: Journal of Marine Science and Engineering Jg. 11 (2023) Nr. 10, 1864
  • Jenkel, Kai-Daniel; Sievert, Benedikt; Rennings, Andreas; Sakaki, Masoud; Erni, Daniel; Benson, Niels
    Radar Cross-section of Ceramic Corner Reflectors in the W-Band fabricated with the LCM-Method
    In: IEEE Journal of Radio Frequency Identification (RFID) Jg. 7 (2023) S. 278 - 283
  • Sheikh, Fawad; Prokscha, Andreas; Eckhardt, Johannes M.; Doeker, Tobias; Abbasi, Naveed A.; Gomez-Ponce, Jorge; Sievert, Benedikt; Svejda, Jan Taro; Rennings, Andreas; Barowski, Jan; Schulz, Christian; Rolfes, Ilona; Erni, Daniel; Molisch, Andreas F.; Kurner, Thomas; Kaiser, Thomas
    THz Measurements, Antennas, and Simulations: From the Past to the Future
    In: IEEE Journal of Microwaves Jg. 3 (2023) Nr. 1, S. 289 - 304
  • Jerbic, Kevin; Svejda, Jan Taro; Sievert, Benedikt; Rennings, Andreas; Fröhlich, Jürg; Erni, Daniel
    The Importance of Subcellular Structures to the Modeling of Biological Cells in the Context of Computational Bioelectromagnetics Simulations
    In: Bioelectromagnetics Jg. 44 (2023) Nr. 1-2, S. 26 - 46
  • Sheikh, Fawad; Prokscha, Andreas; Batra, Aman; Lessy, Dien; Salah, Baha; Sievert, Benedikt; Degen, Marvin; Rennings, Andreas; Jalali, Mandana; Svejda, Jan Taro; Alibeigloo, Pooya; Preuß, Christian; Mutlu, Enes; Kreß, Robin; Clochiatti, Simone; Kolpatzeck, Kevin; Kubiczek, Tobias; Ullmann, Ingrid; Root, Konstantin; Brix, Fabian; Krämer, Ute; Vossiek, Martin; Balzer, Jan C.; Weimann, Nils; Kaiser, Thomas; Erni, Daniel
    Towards Continuous Real-Time Plant and Insect Monitoring by Miniaturized THz Systems
    In: IEEE Journal of Microwaves Jg. 3 (2023) Nr. 3, S. 913 - 937
  • Sievert, Benedikt; Wittemeier, Jonathan; Svejda, Jan Taro; Nils, Pohl; Erni, Daniel; Rennings, Andreas
    Bandwidth Enhanced Circularly Polarized mm-Wave Antenna with On-Chip Ground Plane
    In: IEEE Transactions on Antennas and Propagation (T-AP) Jg. 70 (2022) Nr. 10, S. 9139 - 9148
  • Wang, Peng-Yuan; Lyu, Yue-Long; Meng, Fan-Yi; Rennings, Andreas; Erni, Daniel
    Grating-lobe suppression for periodic leaky-wave antennas at the full array level
    In: IEEE Antennas and Wireless Propagation Letters (L-AWP) Jg. 21 (2022) Nr. 10, S. 2115 - 2119
  • Wang, Peng-Yuan; Lyu, Yue-Long; Meng, Fan-Yi; Rennings, Andreas; Erni, Daniel
    Sidelobe Suppression for Leaky-Wave Antennas Using a Complementary Paired Configuration
    In: IEEE Antennas and Wireless Propagation Letters (L-AWP) Jg. 21 (2022) Nr. 12, S. 2447 - 2451
  • Liu, Xuan; Schmitt, Lisa; Sievert, Benedikt; Lipka, Jonas; Geng, Chong; Kolpatzeck, Kevin; Erni, Daniel; Rennings, Andreas; Balzer, Jan C.; Hoffmann, Martin; Czylwik, Andreas
    Terahertz Beam Steering Using a MEMS-Based Reflectarray Configured by a Genetic Algorithm
    In: IEEE Access Jg. 10 (2022) S. 84458 - 84472
  • Wittemeier, Jonathan; Sievert, Benedikt; Dedic, Muhamed; Erni, Daniel; Rennings, Andreas; Pohl, Nils
    The Impact of Group Delay Dispersion on Radar Imaging With Multiresonant Antennas
    In: IEEE Microwave and Wireless Components Letters Jg. 32 (2022) Nr. 3, S. 241 - 244
  • Farokhipour, Ehsan; Sievert, Benedikt; Svejda, Jan Taro; Rennings, Andreas; Komjani, Nader; Erni, Daniel
    Wide-Angle Spoof Surface Plasmon Polariton Leaky-Wave Antenna Exploiting Prefractal Structures With Backfire to Nearly Endfire Scanning
    In: IEEE Antennas and Wireless Propagation Letters (L-AWP) Jg. 21 (2022) Nr. 12, S. 2507 - 2511
  • Solomakha, Georgiy A.; Svejda, Jan Taro; van Leeuwen, Carel C.; Rennings, Andreas; Raaijmakers, Alexander J.E.; Glybovski, Stanislav B.; Erni, Daniel
    A self-matched leaky-wave antenna for ultrahigh-field magnetic resonance imaging with low specific absorption rate
    In: Nature Communications Jg. 12 (2021) Nr. 1, S. 455
  • Haj Hassan, Mohamed; Sievert, Benedikt; Svejda, Jan Taro; Mostafa Ahmad, Aya; Barowski, Jan; Rennings, Andreas; Rolfes, Ilona; Sezgin, Aydin; Erni, Daniel
    Beam Divergence Reduction of Vortex Waves with a Tailored Lens and a Tailored Reflector
    In: IEEE Access Jg. 9 (2021) S. 9800 - 9811
  • Sievert, Benedikt; Svejda, Jan Taro; Wittemeier, Jonathan; Pohl, Nils; Erni, Daniel; Rennings, Andreas
    Equivalent Circuit Model Separating Dissipative and Radiative Losses for the Systematic Design of Efficient Microstrip-Based On-Chip Antennas
    In: IEEE Transactions on Microwave Theory and Techniques (T-MTT) Jg. 69 (2021) Nr. 2, S. 1282 - 1294
  • Lu, Peng; Haddad, Thomas; Sievert, Benedikt; Khani, Besher; Makhlouf, Sumer; Dulme, Sebastian; Fernandez Estevez, Jose; Rennings, Andreas; Erni, Daniel; Pfeiffer, Ullrich R.; Stöhr, Andreas
    InP-based THz Beam Steering Leaky-Wave Antenna
    In: IEEE Transactions on Terahertz Science and Technology Jg. 11 (2021) Nr. 2, S. 218 - 230
  • Lu, Peng; Haddad, Thomas; Tebart, Jonas; Steeg, Matthias; Sievert, Benedikt; Lackmann, Jörg; Rennings, Andreas; Stöhr, Andreas
    Mobile THz communications using photonic assisted beam steering leaky-wave antennas
    In: Optics Express (OpEx) Jg. 29 (2021) Nr. 14, S. 21629 - 21638
  • Neumann, Kevin; Kühnel, Laura; Langer, Fabian; Rennings, Andreas; Benson, Niels; Schmechel, Roland; Erni, Daniel
    A Stochastic Large-Signal Model for Printed High-Frequency Rectifiers Used for Efficient Generation of Higher Harmonics
    In: IEEE Transactions on Microwave Theory and Techniques (T-MTT) Jg. 68 (2020) Nr. 6, S. 2151 - 2160
  • Solomakha, G.; Svejda, Jan Taro; Rennings, Andreas; Erni, Daniel; Glybovski, S.;
    A new RF-coil for UHF MRI based on a slotted microstrip line
    METANANO 2019; 15-19 July 2019; St. Petersburg, Russian Federation,
    In: Journal of Physics: Conference Series (JPCONF) Jg. 1461 (2020) S. 012168
  • Thiel, Christian; Bröcheler, Claas; Ludwar, Frank; Rennings, Andreas; Doose, Jens; Erni, Daniel
    A simple superposition formulation to predict the underwater electric potential signature of naval vessels
    In: Journal of Marine Science and Engineering Jg. 8 (2020) Nr. 2, 105
  • Svejda, Jan Taro; Rennings, Andreas; Erni, Daniel;
    Compact Metamaterial-based Coil Element for Combined ¹H/²³Na MRI at 7T
    4th International Conference on Metamaterials and Nanophotonics, METANANO 2019; St. Petersburg, Russian Federation; 15 - 19 July 2019,
    In: Journal of Physics: Conference Series (JPCONF) Jg. 1461 (2020) Nr. 1, S. 012173
  • Andrino Garcia, Maria del Pilar; Chaim, Khallil T.; Otaduy, Maria C. G.; Rennings, Andreas; Erni, Daniel; Vatanchi, Maryam; Zylka, Waldemar
    Investigating the influence of dielectric pads in 7T magnetic resonance imaging-Simulated and experimental assessment
    In: Current Directions in Biomedical Engineering Jg. 6 (2020) Nr. 3, S. 20203007
  • Jerbic, Kevin; Neumann, Kevin; Svejda, Jan Taro; Sievert, Benedikt; Rennings, Andreas; Erni, Daniel
    Limits of Effective Material Properties in the Context of an Electromagnetic Tissue Model
    In: IEEE Access Jg. 8 (2020) S. 223806 - 223826
  • Haj Hassan, Mohamed; Sievert, Benedikt; Svejda, Jan Taro; Alhaj Abbas, Ali; Jimenez-Saez, Alejandro; Ahmad, Aya Mostafa; Schüßler, Martin; Rennings, Andreas; Solbach, Klaus; Kaiser, Thomas; Jakoby, Rolf; Sezgin, Aydin; Erni, Daniel
    OAM Mode Order Conversion and Clutter Rejection with OAM-Coded RFID Tags
    In: IEEE Access Jg. 8 (2020) S. 218729 - 218738
  • Sievert, Benedikt; Svejda, Jan Taro; Erni, Daniel; Rennings, Andreas
    Spherical mm-Wave/THz Antenna Measurement System
    In: IEEE Access Jg. 8 (2020) S. 89680 - 89691
  • Arzi, Khaled; Suzuki, Safumi; Rennings, Andreas; Erni, Daniel; Weimann, Nils; Asada, Masahiro; Prost, Werner
    Subharmonic Injection Locking for Phase and Frequency Control of RTD-Based THz Oscillator
    In: IEEE Transactions on Terahertz Science and Technology Jg. 10 (2020) Nr. 2, S. 221 - 224
  • Hillger, Philipp; van Delden, Marcel; Thanthrige, Udaya Sampath Miriya; Ahmed, Aya Mostafa; Wittemeier, Jonathan; Arzi, Khaled; Andree, Marcel; Sievert, Benedikt; Prost, Werner; Rennings, Andreas; Erni, Daniel; Musch, Thomas; Weimann, Nils; Sezgin, Aydin; Pohl, Nils; Pfeiffer, Ullrich R.
    Toward mobile integrated electronic systems at THz frequencies
    In: Journal of Infrared, Millimeter, and Terahertz Waves Jg. 41 (2020) Nr. 7, S. 846 - 869
  • Thiel, Christian; Neumann, Kevin; Bröcheler, Claas; Ludwar, Frank; Rennings, Andreas; Doose, Jens; Erni, Daniel
    Using an artificial neural network to evaluate the hull condition of naval vessels
    In: Technisches Messen: tm (2020)
  • Schäfer, David; Thiel, Christian; Doose, Jens; Rennings, Andreas; Erni, Daniel
    Above water electric potential signatures of submerged naval vessels
    In: Journal of Marine Science and Engineering Jg. 7 (2019) Nr. 2, S. 53
  • Thiel, Christian; Neumann, Kevin; Ludwar, Frank; Rennings, Andreas; Doose, Jens; Erni, Daniel
    Coating damage localization of naval vessels using artificial neural networks
    In: Ocean Engineering Jg. 192 (2019) S. 106560
  • Bruns, Christian; Herrmann, Tim; Mylius, Judith; Erni, Daniel; Scheich, Henning; Mallow, Johannes; Brosch, Michael; Svedja, Jan Taro; Plaumann, Markus; Rennings, Andreas; Liebig, Thorsten; Bernarding, Johannes; Stadler, Jörg; Hauser, Marcus J. B.; Lundberg, Peter; Chen, Zhichao
    Metamaterial-based transmit and receive system for whole-body magnetic resonance imaging at ultra-high magnetic fields
    In: PLoS ONE Jg. 13 (2018) S. e0191719
  • Erni, Daniel; Rennings, Andreas; Svejda, Jan Taro; Sievert, Benedikt; Chen, Zhichao; Liebig, Thorsten; Froehlich, Juerg
    Multi-functional RF Coils for ultra-high field MRI based on 1D/2D electromagnetic metamaterials
    In: Journal of Physics: Conference Series (JPCONF) Jg. 1092 (2018) S. 012031
  • Svejda, Jan Taro; Rennings, Andreas; Erni, Daniel
    A metamaterial based dual-resonant coil element for combined sodium/hydrogen MRI at 7 Tesla
    In: Technisches Messen: tm Jg. 84 (2017) Nr. 1, S. 2 - 12
  • Rennings, Andreas; Erni, Daniel; Solbach, Klaus; Chen, Zhichao
    Field Distribution and Coupling Investigation of an 8-Channel RF Coil Consisting of Different Dipole Coil Elements for 7-Tesla MRI
    In: IEEE Transactions on Biomedical Engineering (T-BME) Jg. 64 (2017) Nr. 6, S. 1297 - 1304
  • Chen, Zhichao; Solbach, Klaus; Erni, Daniel; Rennings, Andreas
    Improving B1 efficiency and signal-to-noise ratio of surface coils by a high-impedance-surface RF shield for 7-T magnetic resonance imaging
    In: IEEE Transactions on Microwave Theory and Techniques (T-MTT) Jg. 65 (2017) Nr. 3, S. 988 - 997
  • Svejda, Jan Taro; Erni, Daniel; Rennings, Andreas
    Combined 1H/23NA MRI : Initial images with quarter-wavelength CDRA prototype ; [abstract]
    In: Magnetic Resonance Materials in Physics, Biology and Medicine / 33rd Annual Scientific Meeting, ESMRMB 2016 ; September 29 - October 1, 2016 Jg. 29 (2016) Nr. Suppl. 1, S. 309
  • Schaefer, David; Doose, Jens; Pichlmaier, Markus; Rennings, Andreas; Erni, Daniel
    Conversion of UEP signatures between different environmental conditions using shaft currents
    In: IEEE journal of oceanic engineering Jg. 41 (2016) Nr. 1, S. 105 - 111
  • Chen, Zhichao; Solbach, Klaus; Erni, Daniel; Rennings, Andreas
    Electromagnetic field analysis of a dipole coil element with surface impedance characterized shielding plate for 7-Tesla MRI
    In: IEEE Transactions on Microwave Theory and Techniques Jg. 64 (2016) Nr. 3, S. 972 - 981
  • Schreiber, Fedor; Kahnert, Stefan; Goehlich, Andreas; Greifendorf, Dieter; Bartels, Frank; Janzyk, Udo; Lennartz, Klaus; Kirstein, Uwe; Rennings, Andreas; Küppers, Ralf; Erni, Daniel
    Mikrofluidik-Chip-Architekturen für eine Zell-Sortieranlage basierend auf der Elektrowetting-Technologie
    In: Technisches Messen: tm Jg. 83 (2016) Nr. 5, S. 274 - 288
  • Otto, Simon; Al-Bassam, Amar; Rennings, Andreas; Solbach, Klaus; Caloz, Christophe
    Circular polarization of periodic leaky-wave antennas with axial asymmetry : Theoretical proof and experimental demonstration
    In: IEEE Transactions on Antennas and Propagation Jg. 62 (2014) Nr. 4, S. 1817 - 1829
  • Otto, Simon; Al-Bassam, A.; Rennings, Andreas; Solbach, Klaus; Caloz, C.
    Transversal asymmetry in periodic leaky-wave antennas for bloch impedance and radiation efficiency equalization through broadside
    In: IEEE transactions on antennas and propagation Jg. 62 (2014) Nr. 0, S. 5037 - 5054
  • Chen, Zhichao; Rennings, Andreas; Solbach, Klaus; Erni, Daniel
    A 4-channel RF coil with large longitudinal field-of-view for 7-T-MRI
    In: Magnetic resonance materials in physics, biology and medicine : (MAGMA) Jg. 26 (2013) Nr. Issue 1 Supplement: ESMRMB 2013, 30th Annual Scientific Meeting, Toulouse, France, 3-5 October: Abstracts, Friday, S. 188 - 189
  • Svejda, Jan Taro; Erni, Daniel; Rennings, Andreas
    An intrinsically double tuned half-wavelength CRLH resonator for combined 23Na/1H MRI,"
    In: Magnetic resonance materials in physics, biology and medicine : (MAGMA) Jg. vol. 26 (2013) Nr. Issue 1 Supplement: ESMRMB 2013, 30th Annual Scientific Meeting, Toulouse, France, 3-5 October: Abstracts, Saturday, S. 346 - 348
  • Liebig, Thorsten; Rennings, Andreas; Held, Sebastian; Erni, Daniel
    openEMS - A free and open source equivalent-circuit (EC) FDTD simulation platform supporting cylindrical coordinates suitable for the analysis of traveling wave MRI applications
    In: International Journal of Numerical Modelling: Electronic Networks, Devices and Fields Jg. 26 (2013) Nr. 6, S. 680 - 696
  • Otto, Simon; Al-Bassam, Amar; Rennings, Andreas; Solbach, Klaus; Caloz, Christophe
    Radiation efficiency of longitudinally symmetric and asymmetric periodic leaky-wave antennas
    In: IEEE Antennas and Wireless Propagation Letters (L-AWP) Jg. 11 (2012) S. 612 - 615
  • Wetterling, Friedrich; Corteville, Dominique M.; Kalayciyan, Raffi; Rennings, Andreas; Konstandin, Simon; Nagel, Armin M.; Stark, Helmut; Schad, Lothar R.
    Whole body sodium MRI at 3T using an asymmetric birdcage resonator and short echo time sequence : First images of a male volunteer
    In: Physics in Medicine and Biology Jg. 57 (2012) Nr. 14, S. 4555 - 4567
  • Otto, Simon; Rennings, Andreas; Solbach, Klaus; Caloz, Christophe
    Transmission line modeling and asymptotic formulas for periodic leaky-wave antennas scanning through broadside
    In: IEEE Transactions on Antennas and Propagation Jg. 59 (2011) Nr. 10, S. 3695 - 3709
  • Rennings, Andreas; Mosig, J.; Caloz, Christophe; Erni, Daniel; Waldow, Peter
    "Equivalent circuit (EC) FDTD method for the modelling of surface plasmon based couplers,"
    In: Journal of Computational and Theoretical Nanoscience Jg. 5 (2008) Nr. 4, S. 690 - 703
  • Tong, W.; Hu, Z.; Zhang, H.; Caloz, Christophe; Rennings, Andreas
    "Study and realisation of dual-composite right/left-handed coplanar waveguide metamaterial in MMIC technology,"
    In: IEE proceedings - Microwaves, antennas & propagation Jg. 2 (2008) Nr. 7, S. 731 - 736
  • Caloz, Christophe; Itoh, Tatsuo; Rennings, Andreas
    CRLH metamaterial leaky-wave and resonant antennas
    In: IEEE antennas & propagation magazine Jg. 50 (2008) Nr. 5, S. 25 - 39
  • Caloz, Christophe; Abielmona, Samer; Nguyen, Hoang Van; Rennings, Andreas
    Dual composite right/left-handed (D-CRLH) leaky-wave antenna with low beam squinting and tunable group velocity
    In: Physica Status Solidi (B): Basic Solid State Physics Jg. 244 (2007) Nr. 4, S. 1219 - 1226
  • Bahr, Achim; Adami, C.; Bolz, T.; Rennings, Andreas; Dorn, H.; Rüttiger, L.
    Exposure setups for laboratory animals and volunteer studies using body-mounted antennas
    In: Radiation Protection Dosimetry Jg. Vol. 124 (2007) Nr. No. 1, S. 31 - 34
  • Aufsätze

  • Arzi, Khaled; Keller, G.; Rennings, Andreas; Erni, Daniel; Tegude, Franz-Josef; Prost, Werner;
    Frequency locking of a free running resonant tunneling diode oscillator by wireless sub-harmonic injection locking
    UCMMT 2017 - UK-Europe-China Workshop on Millimetre-Waves and Terahertz Technologies, 11.-13. September 2017, Liverpool, UK,
    Liverpool (2017)
  • Abstracts

  • Jerbic, Kevin; Sievert, Benedikt; Svejda, Jan Taro; Jebramcik, J.; Barowski, J.; Rennings, Andreas; Rolfes, I.; Erni, Daniel
    Limits of homogenization in electromagnetic composite material models : A show case in tissue analysis
    In: Industrial and Medical Measurement and Sensor Technology Vehicle Sensor Technology: Abstractbook / IEEE WORKSHOP "SENSORICA 2020"; May, 14th -15th 2020; Mülheim an der Ruhr (2020) S. 28 - 29
  • Haj Hassan, Mohamed; Sievert, Benedikt; Mostafa Ahmad, A.; Alhaj Abbas, Ali; Rennings, Andreas; Solbach, Klaus; Kaiser, Thomas; Sezgin, A.; Erni, Daniel
    Orbital angular momentum mode order conversion with helically arranged spherical dielectric resonator arrays
    In: Industrial and Medical Measurement and Sensor Technology Vehicle Sensor Technology: Abstractbook / IEEE WORKSHOP "SENSORICA 2020"; May, 14th -15th 2020; Mülheim an der Ruhr (2020) S. 26 - 27
  • Dedic, Muhamed; Svejda, Jan Taro; Rennings, Andreas; Erni, Daniel
    Design and characterization of metamaterial-based zeroth-order resonance antennas for 3T MRI
    In: 3rd YRA MedTech Symposium 2019 / 3rd YRA MedTech Symposium, May 24 2019, FH Aachen, Campus Jülich, Germany / Staat, Manfred; Erni, Daniel (Hrsg.) (2019) S. 25 - 26
  • Chen, Zhichao; Rennings, Andreas; Solbach, Klaus; Erni, Daniel
    RF dipole coil backed by a high-impedance-surface shield
    In: Symposium proceedings / 1st YRA MedTech Symposium (YRA-MedTech 2016), 8. April 2016, Duisburg, Germany / Erni, Daniel (Hrsg.) (2018) S. 16 - 17
  • Schreiber, Fedor; Kahnert, S.; Goehlich, A.; Greifendorf, D.; Bartels, F.; Janzyk, U.; Lennartz, K.; Kirstein, Uwe; Rennings, Andreas; Küppers, Ralf; Erni, Daniel
    Efficient chip architectures for a microfluidic cell sorter actuated by electrowetting and its electro-hydrodynamic analysis
    In: 1st YRA MedTech Symposium 2016: April 8th / 2016 / University of Duisburg-Essen / 1st YRA MedTech Symposium (YRA-MedTech 2016), April 8th 2016 University of Duisburg-Essen, Duisburg, Germany / Erni, Daniel (Hrsg.) (2016) S. 31 - 32
  • Chen, Zhichao; Abbasi, Mahdi; Solbach, Klaus; Erni, Daniel; Rennings, Andreas
    RF dipole coil with novel slotted shielding plate achieving an improved B1 distribution for 7 T MRI
    In: 23rd ISMRM Annual Meeting and Exhibition 2015 and 24th SMRT Annual Meeting 2015: Volume 4 / 23rd ISMRM Annual Meeting and Exhibition 2015 and 24th SMRT Annual Meeting 2015, 30.05.-05.06.2015, Toronto, Canada (2015) S. 3092
  • Chen, Zhichao; Solbach, Klaus; Erni, Daniel; Rennings, Andreas
    A compact electromagnetic bandgap structure based on multi-layer technology for 7-Tesla magnetic resonance imaging applications
    In: 44th European Microwave Conference (EuMC) / 44th European Microwave Conference (EuMC), 06.-09.10.2014, Rom, Italy (2014) S. 1576 - 1579
  • Kahnert, Stefan; Goehlich, Andreas; Greifendorf, Dieter; Vogt, Holger; Lennartz, Klaus; Kirstein, Uwe; Göllner, Bastian; Michelsen, Ulrike; Bartels, Frank; Schreiber, Fedor; Rennings, Andreas; Erni, Daniel;
    Development of a microchip based cell sorting device
    BMT 2014 ; 48. DGBMT Jahrestagung ; October 8-10, 2014, Hannover, Germany,
    In: Biomedical engineering = Biomedizinische Technik Jg. 59 (2014) Nr. s1, S. S121 - S123
  • Rennings, Andreas; Chen, L.; Wetterling, Friedrich; Ladd, Mark E.; Erni, Daniel
    Electromagnetic field evaluations inside a body-tissue-simulating cylinder phantom excited by an ideal first-order circularly polarized mode
    In: Adapting MR in a changing world: Proceedings of the 20th Annual Meeting & Exhibition of the International Society for Magnetic Resonance in Medicine (ISMRM 2012) / ISMRM 2012, 20th Annual Meeting & Exhibition, 5-11 May, 2012, Melbourne, Australia (2012) S. 2677
  • Liebig, Thorsten; Rennings, Andreas; Erni, Daniel;
    openEMS : A free and open source FDTD software package, supporting cartesian and cylindrical coordinates ideally suited for MRI applications
    ESMRMB 2012, 29th Annual Scientific Meeting, 04.-06.10.2012, Lissabon, Portugal,
    In: Magnetic Resonance Materials in Physics, Biology and Medicine (MAGMA) Jg. 25 (2012) Nr. 1, Suppl., S. 627 - 628
  • Schaefer, David; Zion, S.; Doose, Jens; Rennings, Andreas; Erni, Daniel
    Numerical simulation of UEP signatures with propeller-induced ULF modulations in maritime ICCP systems
    In: 7th International Marine Electromagnetics Conference / MARELEC 2011; 20-23 June 2011; San Diego, USA (2011)
  • Beiträge in Sammelwerken und Tagungsbänden

  • Wang, Peng-Yuan; Rennings, Andreas; Erni, Daniel
    A Tunable Metamaterial Element Based on Liquid Crystals for Holographic Beam-Steering Antennas
    In: 2023 IEEE MTT-S International Wireless Symposium (IWS 2023): Proceedings / IEEE MTT-S International Wireless Symposium (IWS 2023) ; May 14- 17, 2023, Qingdao, Shandong, China 2023 in press
  • Zhang, Meng; Tian, Zhenming; Sievert, Benedikt; Preuß, Christian; Weimann, Nils; Rennings, Andreas; Erni, Daniel
    Antenna for Free Space-coupled Third-order Sub-harmonic Coherent Detector Array in the 300 GHz Band
    In: 2023 48th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) / 48th International Conference on Infrared, Millimeter, and Terahertz Waves ; IRMMW-THz 2023 ; 17 -22 September 2023, Montreal, Quebec, Canada / Cooke, David G. (Hrsg.) 2023
  • Sievert, Benedikt; Erni, Daniel; Rennings, Andreas
    Characterization of Flexible Micro Coaxial Cables in the WR03 Band
    In: 2023 48th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) / 48th International Conference on Infrared, Millimeter, and Terahertz Waves ; IRMMW-THz 2023 ; 17 -22 September 2023, Montreal, Quebec, Canada / Cooke, David G. (Hrsg.) 2023
  • Farokhipour, Ehsan; Rennings, Andreas; Erni, Daniel
    Digital-Coding based on a Phase-Change Material for Optically Preconfigurable Metasurfaces
    In: 2023 IEEE Conference on Antenna Measurements and Applications (CAMA) / IEEE Conference on Antenna Measurements and Applications (CAMA), 15-17 November 2023, Genoa, Italy 2023, S. 995 - 998
  • Tian, Zhenming; Zhang, Meng; Yuan, H.; Sievert, Benedikt; Eube, M.; Hildenhagen, P.; Roskos, H.; Erni, Daniel; Rennings, Andreas
    Experimental Evaluation of a Subharmonic Detector and Corresponding 1-D Array Concept at 300 GHz
    In: Proceedings of the 53rd European Microwave Conference (EuMC 2023) / 53rd European Microwave Conference (EuMC 2023), 19 - 21 September 2023, Berlin / Institute of Electrical and Electronics Engineers (IEEE) (Hrsg.) 2023, S. 74 - 77
  • Mutlu, Enes; Li, Wen; Sievert, Benedikt; Kreß, Robin; Clochiatti, Simone; Rennings, Andreas; Grygoriev, Anton; Prost, Werner; Erni, Daniel; Weimann, Nils
    Investigation of RTD THz Oscillator with Wide Frequency Tuning Capability
    In: 2023 48th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) / 48th International Conference on Infrared, Millimeter, and Terahertz Waves ; IRMMW-THz 2023 ; 17 -22 September 2023, Montreal, Quebec, Canada / Cooke, David G. (Hrsg.) 2023 in press
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    In: 2023 Sixth International Workshop on Mobile Terahertz Systems (IWMTS) / Sixth International Workshop on Mobile Terahertz Systems (IWMTS), 03-05 July 2023, Bonn, Germany 2023
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    Near-Field Truncation Error of a Mie-Series for a Perfect Electric Conducting Cylinder
    In: 2023 Sixth International Workshop on Mobile Terahertz Systems (IWMTS) / Sixth International Workshop on Mobile Terahertz Systems (IWMTS), 03-05 July 2023, Bonn, Germany 2023
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    In: 2023 IEEE Conference on Antenna Measurements and Applications (CAMA) / IEEE Conference on Antenna Measurements and Applications (CAMA), 15-17 November 2023, Genoa, Italy 2023, S. 687 - 692
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    In: 2023 IEEE Conference on Antenna Measurements and Applications (CAMA) / IEEE Conference on Antenna Measurements and Applications (CAMA), 15-17 November 2023, Genoa, Italy 2023, S. 757 - 760
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    In: 17th European Conference on Antennas and Propagation, EuCAP 2023 / 17th European Conference on Antennas and Propagation (EuCAP), 26-31 March 2023, Florence, Italy 2023
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    In: Proceedings of the 17th European Microwave Integrated Circuits Conference (EuMIC 2022) / 17th European Microwave Integrated Circuits Conference (EuMIC 2022): 26-27 September 2022; Milan, Italy 2022, S. 56 - 59
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    An Electronically Beam Steering Array Based on Liquid Crystals Operating in W-Band
    In: Proceedings of the Fifth International Workshop on Mobile Terahertz Systems (IWMTS 2022) / IWMTS 2022, July 4-6, Universität Duisburg-Essen, Fraunhofer-inHaus-Center, Duisburg, Germany 2022
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    In: 2022 52st European Microwave Conference / 52nd European Microwave Conference (EuMC 2022) / 25th European Microwave Week (EuMW 2022): 25-30 September 2022; Milan, Italy / European Microwave Association (Hrsg.) 2022
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    In: Proceedings of the 43rd Photonics and Electromagnetics Research Symposium / 43rd Photonics and Electromagnetics Research Symposium (PIERS 2022), Hangzhou, China 2022
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    Enhanced Radar Cross-section for W-Band Corner reflectors using Ceramic Additive Manufacturing
    In: Proceedings of the 12th International Conference on RFID Technology and Applications (RFID-TA 2022) / 12th International Conference on RFID Technology and Applications (RFID-TA 2022): 12-14 September 2022; Cagliari, Italy / Institute of Electrical and Electronics Engineers (IEEE) (Hrsg.) 2022, S. 37 - 39
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    Proposal for large scale 1-D subharmonic coherent detector array in the 600 GHz band
    In: Proceedings of the Fifth International Workshop on Mobile Terahertz Systems (IWMTS 2022) / IWMTS 2022, July 4-6, Universität Duisburg-Essen, Fraunhofer-inHaus-Zentrum, Duisburg, Germany 2022
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    Rotationally symmetric lens antenna with biconical feed for broadband measurement applications
    In: 2022 52st European Microwave Conference / 52nd European Microwave Conference (EuMC 2022) / 25th European Microwave Week (EuMW 2022): 25-30 September 2022; Milan, Italy 2022
  • Jerbic, Kevin; Svejda, Jan Taro; Sievert, Benedikt; Liu, X.; Kolpatzeck, Kevin; Degen, Marvin; Rennings, Andreas; Balzer, Jan C.; Erni, Daniel
    The Identification of Spectral Signatures in Randomized (Sub-)Surface Material Systems
    In: Proceedings of the Fifth International Workshop on Mobile Terahertz Systems (IWMTS 2022) / IWMTS 2022, July 4-6, Universität Duisburg-Essen, Fraunhofer-inHaus-Center, Duisburg, Germany 2022
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    In: Proceedings of the 4th International Workshop on Mobile Terahertz Systems / IWMTS 2021; 5-6 July 2021; Essen, Germany 2021 9486781
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    Generation of Vortex Waves Using Crossed 2λ-Dipole Antennas
    In: 15th European Conference on Antennas and Propagation: EuCAP 2021 / European Conference on Antennas and Propagation ; EuCAP ; 22-26 March 2021, Düsseldorf, Germany 2021, S. 9411239
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    A Liquid Crystal Based Dynamic Metasurface for Beam Steering and Computational Imaging
    In: Asia-Pacific Microwave Conference Proceedings / APMC 2020; Virtual, Hong Kong; 8 - 11 December 2020 2020, S. 631 - 633
  • Wang, Peng-Yuan; Meng, Fan-Yi; Lyu, Yue-Long; Rennings, Andreas; Erni, Daniel
    A Method of Side-lobe Suppression for Reactance Modulated Antennas
    In: 14th European Conference on Antennas and Propagation / EuCAP 2020; Copenhagen, Denmark; 15 - 20 March 2020 2020, S. 9136067
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    Passive Orbital Angular Momentum RFID Tag based on Dielectric Resonator Arrays
    In: 3rd International Workshop on Mobile Terahertz Systems / IWMTS 2020; Essen, Germany; 1-2 July 2020 2020, S. 9166434
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    In: 45th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) / International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz, 8-13 Nov. 2020, Buffalo, NY, USA 2020, S. 310 - 311
  • Neumann, Kris; Kühnel, Laura; Langer, Fabian; Rennings, Andreas; Benson, Niels; Schmechel, Roland; Erni, Daniel
    Analysis of stochastic Schottky barrier variations within printed high frequency rectifiers for harmonics generation
    In: IEEE MTT-S Int. Microwave Workshop Series on Advanced Materials and Processes / IMWS-AMP 2019; July 16-18, Bochum, Germany 2019, S. 169 - 171
  • Thiel, Christian; Neumann, Kevin; Bröcheler, Claas; Rennings, Andreas; Ludwar, F.; Doose, J.; Erni, Daniel
    Coating-defect localization of naval vessels using the onboard impressed current cathodic protection system
    In: IEEE Workshop 2019 (Instrumentation & Measurement Chapter IEEE Germany Section) and SENSORICA 2019 / IEEE Workshop 2019 (Instrumentation & Measurement Chapter IEEE; June 6-7; Mülheim a. d. Ruhr, Germany Germany Section) and SENSORICA 2019 2019, S. 14 - 15
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    Dynamic-range enhancement of heterodyne THz imaging by the use of a soft paraffin-wax substrate lens on the detector
    PhotonIcs & Electromagnetics Research Symposium; 17–20 December 2019; Xiamen, China,
    In: 2019 Photonics and Electromagnetics Research Symposium - Fall, PIERS - Fall 2019 - Proceedings 2019, S. 2607 - 2611
  • Jalali, Mandana; Mertin, Paul; Rennings, Andreas; Erni, Daniel
    Effect of hepatic vein on gold nanoparticle-mediated-hyperthermia in liver cancer
    In: Fourth International Conference on Applications of Optics and Photonics / 4th International Conference on Applications of Optics and Photonics (AOP 2019), 31 May - 4 June 2019, Lisbon, Portugal / Martins, Filipe (Hrsg.) 2019 112070M
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    In: Proceedings Asia Communications and Photonics Conference (ACP) 2019 / Asia Communications and Photonics Conference (ACP) ; 2–5 November 2019, Chengdu, China 2019, S. T2E.1
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    Mutually coupled dielectric resonators for on-chip antenna efficiency enhancement
    In: 2nd International Workshop on Mobile Terahertz Systems / IWMTS 2019; Bad Neuenahr; Germany; 1 - 3 July 2019 2019, S. 8823752
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    New approach for the simulation of bent and crumpled antennas on a flexible substrate
    In: 2019 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications / IMWS-AMP 2019, 16-18 July 2019 2019, S. 61 - 63
  • Bröcheler, Claas; Thiel, Christian; Ludwar, F.; Doose, J.; Rennings, Andreas; Erni, Daniel
    Numerical evaluation of seabed influences on underwater electric potential (UEP) signatures and the validation framework
    In: IEEE Workshop 2019 (Instrumentation & Measurement Chapter IEEE Germany Section) and SENSORICA 2019 / IEEE Workshop 2019 (Instrumentation & Measurement Chapter IEEE Germany Section) and SENSORICA 2019; June 6-7; Mülheim a. d. Ruhr, Germany 2019
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    Reducing the divergence of vortex waves with a lens tailored to the utilized circular antenna array
    In: 2nd International Workshop on Mobile Terahertz Systems / IWMTS 2019; Bad Neuenahr, Germany; 1 - 3 July 2019 2019, S. 8823656
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    Resonant Antenna Periodically Loaded with Series Capacitances for Enhanced Radiation Efficiency
    In: GeMiC 2019 - German Microwave Conference / 12th German Microwave Conference 2019, GeMiC 2019, 25–27 March 2019, Stuttgart, Germany 2019, S. 20 - 23
  • Zhang, Meng; Rennings, Andreas; Clochiatti, Simone; Arzi, Khaled; Prost, Werner; Weimann, Nils; Erni, Daniel
    Transmitarray element design for subharmonic injection-locked RTD oscillators in THz band
    In: Progress in Electromagnetics Research Symposium - Fall (PIERS - FALL): Proceedings / Fall 2019; Xiamen, China; 17 - 20 December 2019 2019, S. 2518 - 2522
  • Arzi, Khaled; Clochiatti, Simone; Suzuki, Safumi; Rennings, Andreas; Erni, Daniel; Weimann, Nils; Asada, Masahiro; Prost, Werner
    Triple-Barrier Resonant-Tunnelling Diode THz Detectors with on-chip antenna
    In: GeMiC 2019 - 12th German Microwave Conference / GeMiC 2019; Stuttgart, Germany; 25 - 27 March 2019 2019, S. 17 - 19
  • Rennings, Andreas; Sievert, Benedikt; Lui, W.; Arzi, Khaled; Prost, Werner; Erni, Daniel
    Broadband millimeter-wave detector based on triple-barrier resonant tunneling diode and tailored archimedian spiral antenna
    In: Proceedings of 2017 Asia-Pacific Microwave Conference (APMC) / APMC 2017, 13. - 16. November 2017, Kuala Lumpur, Malaysia / Pasya, Idnin; Seman, Fauziahanim Che (Hrsg.) 2018, S. 775 - 778
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    Circular high impedance surface for radially polarized fields
    In: Proceedings of IEEE Asia Pacific Microwave Conference / IEEE Asia Pacific Microwave Conference 2017.11.13-16 Kuala Lumpur / Pasya, Idnin; Seman, Fauziahanim Che (Hrsg.) 2018, S. 1337 - 1340
  • Rennings, Andreas; Chen, Zhichao; Sievert, Benedikt; Svejda, Jan Taro; Erni, Daniel
    Metamaterial based enhancements of RF-coils for ultra high-field magnetic resonance imaging
    In: 13th International Symposium on Nanophotonics and Metamaterials / 13th International Symposium on Nanophotonics and Metamaterials, 04. Jun 2018 - 08. Jun 2018, St. Petersburg, Russische Föderation 2018
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    Millimeter-wave Signal Generation and Detection via the same Triple Barrier RTD and on-chip Antenna
    In: Proceedings of the 1st International Workshop on Mobile Terahertz Systems / IWMTS 2018, Duisburg, Germany, 2 - 4 July 2018 2018, S. 8454700
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    Spatially modulated high impedance surface based on a multilayer approach
    In: GeMiC 2018 - 2018 German Microwave Conference / GeMiC 2018 – 11th German Microwave Conference "Riding the green waves", 12.-14.3.2018, Freiburg, Germany 2018, S. 259 - 262
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    In: Compound Semiconductor Week (CSW 2018) / 14th Int. Symposium on Compound Semiconductors (ISCS), and the 30th Int. Conference on Indium Phosphide and Related Materials (IPRM), May 29 – June 1, 2018, Massachussetts Institute of Technology (MIT), Cambridge, MA, USA 2018, S. 54
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    Frequency locking of a free running resonant tunneling diode oscillator by wire-less sub-harmonic injection locking
    In: 10th UK-Europe-China Workshop on Millimetre Waves and Terahertz Technologies, UCMMT 2017 / UCMMT 2017; Liverpool, United Kingdom; 11 - 13 September 2017 2017, S. 8068485
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    Modeling and evaluation of high impedance surfaces applied to improve the performance of RF coils within high-field MRI
    In: YRA - Young Researchers Academy – MedTech in NRW: Symposium Proceedings / 2nd YRA MedTech Symposium, Young Researchers Academy – MedTech in NRW jointly held with the IEEE Workshop & SENSORICA 2017 Hochschule Ruhr West, 8-9 June 2017, Mülheim an der Ruhr, Germany / Erni, Daniel; Fischerauer, Alice; Himmel, Jörg; Seeger, Thomas; Thelen, Klaus (Hrsg.) 2017, S. 56 - 57
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    THz beam forming and beam switching using lens-assisted quasi-optical THz transmitter
    In: MWP 2017: 2017 International Topical Meeting on Microwave Photonics / MWP 2017, 2017 International Topical Meeting on Microwave Photonics, 23-26.10.2017, Beijing, China 2017, S. 1 - 4
  • Chen, Zhichao; Solbach, Klaus; Erni, Daniel; Rennings, Andreas
    Coupling investigation between RF coil array elements backed by surface impedance characterized shields for 7 Tesla MRI
    In: 2016 German Microwave Conference (GeMiC 2016): Proceedings of a meeting held 14-16 March 2016, Bochum, Germany / 10th German Microwave Conference, GeMiC 2016, March 14-16 in Bochum, Germany / Institute of Electrical and Electronics Engineers (IEEE) (Hrsg.) 2016, S. 112 - 115
  • Kahnert, Stefan; Schreiber, Fedor; Goehlich, Andreas; Greifendorf, Dieter; Lennartz, Klaus; Kirstein, Uwe; Bartels, Frank; Janzyk, Udo; Rennings, Andreas; Erni, Daniel; Küppers, Ralf; Vogt, Holger
    Digital microfluidics for microchip-based cell sorting
    In: Micro-Nano-Integration: 6. GMM-Workshop : 5-6 Oct. 2016 / GMM-Workshop Mikro-Nano-Integration ; 5. - 6. Oktober 2016, Duisburg 2016, S. 17 - 21
  • Svejda, Jan Taro; Erni, Daniel; Rennings, Andreas
    Near-field measurements and dual-tuned matching of two CDRA versions for combined 1H/23Na 7T-MRI
    In: 2016 German Microwave Conference (GeMiC 2016): Proceedings of a meeting held 14-16 March 2016, Bochum, Germany / 10th German Microwave Conference, GeMiC 2016, March 14-16 in Bochum, Germany / Institute of Electrical and Electronics Engineers (IEEE) (Hrsg.) 2016, S. 104 - 107
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    Entwurf und Analyse von Zeroth-Order resonanten Antennen mit neuartiger Speisetechnik für die Ultra-Hochfeld-Magnetresonanztomographie
    In: 18. Jahrestagung der Deutschen Sektion der ISMRM e.V.: Konferenzband / Jahrestagung der Deutschen Sektion der ISMRM ; International Society for Magnetic Resonance in Medicine ; Münster, 19./20. November 2015 2015, S. 70 - 75
  • Chen, Zhichao; Solbach, Klaus; Erni, Daniel; Rennings, Andreas
    Improved B1 distribution of an MRI RF coil element using a high-impedance-surface shield
    In: GeMiC 2015: Proceedings of the 9th German Microwave Conference, 2015 / 2015 German Microwave Conference (GeMiC 2015), 16. - 18 März 2015, Nürnberg, Germany 2015, S. 111 - 114
  • Schreiber, Fedor; Kahnert, S.; Goehlich, A.; Greifendorf, D.; Bartels, F.; Janzyk, U.; Lennartz, K.; Kirstein, Uwe; Rennings, Andreas; Küppers, R.; Erni, Daniel
    Mikrofluidik-Chip-Architekturen für eine Zell-Sortieranlage basierend auf der Elektrowetting-Technologie
    In: IEEE Workshop 2015; Medizinische Messtechnik 2015; Kurzfassung der Beiträge 2015, S. 27 - 28
  • Liebig, Thorsten; Svejda, Jan Taro; Yang, H.; Rennings, Andreas; Herrmann, T.; Mallow, J.; Bernarding, J.; Froehlich, J.; Erni, Daniel
    "Accurate and fast longitudinal RF magnetic field profiling for 7T traveling-wave MRI systems,"
    In: "Accurate and fast longitudinal RF magnetic field profiling for 7T traveling-wave MRI systems," 2014, S. 1329
  • Rennings, Andreas; Wang, K.; Chen, L.; Wetterling, F.; Erni, Daniel
    "An electromagnetic-simulation based investigation of the dielectric padding approach for head imaging at 7T,"
    In: "An electromagnetic-simulation based investigation of the dielectric padding approach for head imaging at 7T," 2014, S. 4817
  • Chen, Zhichao; Kraft, Oliver; Solbach, Klaus; Erni, Daniel; Rennings, Andreas
    A 4-channel RF coil based on novel dipole-element with eigen-resonant shielding plate for 7-Tesla magnetic resonance imaging
    In: 44th European Microwave Conference (EuMC), 2014: Rome, Italy, 6 - 9 October 2014 ; [part of the] 17th European Microwave Week (EuMW 2014) / European Microwave Conference ; EuMC ; 6-9 October 2014, Rome 2014, S. 476 - 479
  • Chen, Zhichao; Solbach, Klaus; Erni, Daniel; Rennings, Andreas
    A compact electromagnetic bandgap structure based on multi-layer technology for 7-Tesla magnetic resonance imaging applications
    In: 44th European Microwave Conference (EuMC), 2014: Rome, Italy, 6 - 9 October 2014 : [part of the] 17th European Microwave Week (EuMW 2014) / EuMA, European Microwave Association / 44th European Microwave Conference (EuMC), 06.-09.10.2014, Rom 2014, S. 632 - 635
  • Chen, Zhichao; Solbach, Klaus; Erni, Daniel; Rennings, Andreas
    Coupling investigation of different RF coil elements for 7-Tesla magnetic resonance imaging based on characteristic mode analysis
    In: IEEE International Mircowave Symposium (IMS 2014): Session 'Recent Advances in Biomedical Imaging'. - Paper TH2E-3 2014, S. 1050
  • Svejda, Jan Taro; Erni, Daniel; Rennings, Andreas
    Numerical analysis of four a channel array with intrinsically dual tuned single element antennas providing a congener resonant behavior for combined 23Na/1H MRI at 7T
    In: Joint Annual Meeting ISMRM-ESMRMB 2014 ○ 10-16 May 2014 ○ Milan, Italy: Session 'Array Coils & Systems' 2014, S. 1329
  • Rennings, Andreas; Svejda, Jan Taro; Otto, Simon; Solbach, Klaus; Erni, Daniel
    A MIM/coaxial stub-line CRLH zeroth-order series-mode resonator used as an RF coil element for 7-Tesla magnetic resonance imaging
    In: 2013 IEEE MTT-S International Microwave Symposium Digest (MTT) / IEEE MTT-S International Microwave Symposium, 2-7 June 2013 2013, S. 1 - 4
  • Schäfer, David; Doose, Jens; Rennings, Andreas; Erni, Daniel
    Above water electric potential signatures and their relevance in the context of ASW
    In: 8th International Marine Electromagnetics Conference (MARELEC 2013): Electromagnetic Surveillance Session / 8th International Marine Electromagnetics Conference, July 16-19, Hamburg, Germany 2013, S. 1 - 12
  • Schäfer, David; Doose, Jens; Pichlmaier, Markus; Rennings, Andreas; Erni, Daniel
    Comparability of UEP signatures measured under varying environmental conditions
    In: 8th International Marine Electromagnetics Conference (MARELEC 2013): Planet Quest Session / 8th International Marine Electromagnetics Conference, July 16-19, Hamburg, Germany 2013, S. 1 - 14
  • Chen, Zhichao; Solbach, Klaus; Erni, Daniel; Rennings, Andreas
    Dipole RF element for 7 tesla magnetic resonance imaging with minimized SAR
    In: 7th European Conference on Antennas and Propagation (EuCAP), 2013 / 7th European Conference on Antennas and Propagation (EuCAP), 2013 : 8 - 12 April 2013, Gothenburg, Sweden 2013, S. 1775 - 1778
  • Saleh, Gameel; Solbach, Klaus; Erni, Daniel; Rennings, Andreas
    Four-leaf-clover-shaped EBG structure to improve the H/E field ratio of stripline coil for 7 Tesla MRI
    In: 7th European Conference on Antennas and Propagation (EuCAP), 2013 / 7th European Conference on Antennas and Propagation (EuCAP), 2013 : 8 - 12 April 2013, Gothenburg, Sweden 2013, S. 1111 - 1113
  • Saleh, Gameel; Solbach, Klaus; Erni, Daniel; Rennings, Andreas
    Four-leaf-clover-shaped EBG structure to improve the H/E field ratio of stripline coil for 7Tesla MRI
    In: 7th European Conference on Antennas and Propagation (EuCAP) / 7th European Conference on Antennas and Propagation (EuCAP), Gothenburg, Sweden, 8-12 April 2013 2013, S. 1088 - 1090
  • Schreiber, Fedor; Rennings, Andreas; Erni, Daniel
    Optimierung von Chip-Architekturen effizienter Zellsorter basierend auf dem Elektrowetting-Verfahren
    In: Von Bauelementen zu Systemen: Mikrosystemtechnik Kongress 2013, 14.-16. Oktober 2013 in Aachen : Proceedings / 5. Mikrosystemtechnik Kongress, 14.-16.10.2013, Aachen 2013, S. 413 - 416
  • Chen, Zhichao; Solbach, Klaus; Erni, Daniel; Rennings, Andreas
    RF coil element with longitudinal and transversal two-peak field distribution for low SAR 7-Tesla magnetic resonance imaging
    In: 2013 IEEE MTT-S International Microwave Symposium Digest (MTT) / IEEE MTT-S International Microwave Symposium, 2-7 June 2013 2013, S. 1 - 4
  • Saleh, Gameel; Solbach, Klaus; Erni, Daniel; Rennings, Andreas
    Soft surface - EBG structure to improve the H/E field ratio of stripline coil for 7 tesla MRI
    In: Proceedings of the 21th Annual Meeting of the International Society for Magnetic Resonance in Medicine (ISMRM 2013): Volume: Session on Novel RF Coils / ISMRM 2013, Salt Lake City, Utah, USA, 20-26 April 2013 2013, S. 2775
  • Saleh, Gameel; Solbach, Klaus; Erni, Daniel; Rennings, Andreas
    Soft surface - EBG structure to improve the IHI/IEI field ratio of a stripline coil for 7 Tesla MRI
    In: Proceedings of the 21st International Society for Magnetic Resonance in Medicine: Annual Scientific Meeting and Exhibition / ISMRM 2013, Salt Lake City, Utah, USA, 20-26 April 2013 2013, S. 2775
  • Yang, Huinan; Liebig, Thorsten; Rennings, Andreas; Froehlich, Juerg; Erni, Daniel
    Tailored RF magnetic field distribution along the bore of a 7-Tesla traveling-wave magnetic resonance imaging system
    In: International Conference on Electromagnetics in Advanced Applications (ICEAA), 2013 / International Conference on Electromagnetics in Advanced Applications, 9 - 13 Sept. 2013, Torino, Italy 2013, S. 468 - 471
  • Yang, H.; Liebig, Thorsten; Rennings, Andreas; Froehlich, J.; Erni, Daniel
    Tailored RF magnetic field distribution along the bore of a 7-Tesla traveling-wave magnetic resonanceimaging system
    In: 2013 International Conference on Electromagnetics in Advanced Applications (ICEAA 2013) / ICEAA , Torino, Italy, 9 - 13 September 2013 2013, S. 468 - 471
  • Schaefer, D.; Doose, M.; Pichlmaier, A.; Rennings, Andreas; Erni, Daniel
    Umrechnung von UEP-Signaturen zwischen verschiedenen Umgebungsbedingungen
    In: Fachfortbildung/Sachstandbesprechung bezüglich FV 2.4 (SsB/M-MCM), Naval Technology and Research (WTD 71), Marine, Bundeswehr, Oct. 14, Liegenschaft Kiel-Ellerbek, Kiel, Germany, 2013 2013 ohne Seitenangabe
  • Al-Bassam, Amar; Otto, Simon; Chen, Zhichao; Rennings, Andreas; Solbach, Klaus
    A capacitively-coupled series-fed patch leaky-wave antenna and optimization concepts for efficient broadside radiation
    In: 2012 the 7th German Microwave Conference (GeMiC): 12 - 14 March 2012, Ilmenau, Germany 2012, S. 211 - 214
  • Rennings, Andreas; Chen, Le; Otto, Simon; Erni, Daniel
    B1-field inhomogeneity problem of MRI : Basic investigations on a head-tissue-simulating cylinder phantom excitby a birdcage-mode
    In: 42nd European Microwave Conference (EuMC), 2012 / EuMW 2012, 28 Oct - 2 Nov 2012, Amsterdam 2012, S. 542 - 545
  • Rennings, Andreas; Chen, L.; Otto, Simon; Erni, Daniel
    B1-field inhomogeneity problem of MRI : Basic investigations on a head-tissue-simulating cylinder phantom excited by a birdcage-mode
    In: 42nd European Microwave Conference (EuMC), 2012 / European Microwave Conference, Oct. 29, 2012 - Nov. 1, 2012, Amsterdam, The Netherlands 2012
  • Otto, Simon; Rennings, Andreas; Solbach, Klaus; Caloz, Christophe
    Complex frequency versus complex propagation constant modeling and Q-balancing in periodic structures
    In: IEEE/MTT-S International Microwave Symposium digest (MTT), 2012 / IEEE MTT-S International Microwave Symposium, 17 - 22 June 2012, Montréal, Québec, Canada 2012, S. 1 - 3
  • Schäfer, David; Doose, Jens; Rennings, Andreas; Erni, Daniel
    Conceptual analysis of UEP and ELFE in the Context of CP systems,
    In: Electromagnetic Silencing Symposium 2012 (EMSS 2012), May 22-24, Centre for Ship Signature Management (CSSM), Naval Base Eckernförde, Germany, paper no. 9, 2012 2012 invited presentation
  • Saleh, Gameel; Solbach, Klaus; Rennings, Andreas
    EBG structures for low frequency applications
    In: 2012 the 7th German Microwave Conference (GeMiC) / 7th German Microwave Conference (GeMiC), 12 - 14 March 2012, Ilmenau, Germany 2012, S. 127 - 130
  • Saleh, Gameel; Solbach, Klaus; Rennings, Andreas
    EBG structures to improve the B1 efficiency of stripline coil for 7 Tesla MRI
    In: 6th European Conference on Antennas and Propagation (EUCAP), 2012 / European Conference on Antennas and Propagation, 26 - 30 March 2012, Prague 2012, S. 1399 - 1401
  • Rennings, Andreas; Zhou, B.; Al-Bassam, Amar; Chen, Zhichao; Otto, Simon; Solbach, Klaus; Erni, Daniel
    MetaBeam: A high-gain pencil-beam array antenna based on corporately fed CRLH meta-lines for the 24 GHz ISM band
    In: 2012 the 7th German Microwave Conference (GeMiC): 12 - 14 March 2012, Ilmenau, Germany 2012, S. 234 - 237
  • Liebig, Thorsten; Rennings, Andreas; Erni, Daniel
    OpenEMS – a free and open source cartesian and cylindrical EC-FDTD simulation platform supporting multi-pole Drude/Lorentz dispersive material models for plasmonic nanostructures
    In: 8th Workshop on Numerical Methods for Optical Nanostructures: ETH Zürich, July 2-4, Zürich Switzerland, 2012 2012
  • Otto, Simon; Al-Bassam, Amar; Chen, Zhichao; Rennings, Andreas; Solbach, Klaus; Caloz, Christophe
    Q-Balancing in periodic leaky-wave antennas to mitigate broadside radiation issues
    In: 2012 the 7th German Microwave Conference (GeMiC): 12 - 14 March 2012, Ilmenau, Germany 2012, S. 155 - 158
  • Saleh, Gameel; Solbach, Klaus; Rennings, Andreas
    SAR reduction for dipole RF coil element at 7 Tesla by using dielectric overlay
    In: Loughborough Antennas and Propagation Conference (LAPC), 2012 / Loughborough Antennas and Propagation Conference, 12 - 13 Nov. 2012, Burleigh Court Conference Centre 2012
  • Wetterling, Friedrich; Rennings, Andreas; Kalayciyan, Raffi; Corteville, Domenique M.; Konstandin, Simon; Schad, Lothar R.
    A dual resonator system for whole-body sodium-MRI at 3T
    In: ISMRM 19th Annual Meeting & Exhibition (ISMRM 2011); 7-13 May 2011, Montreal, Canada 2011, S. 471
  • Rennings, Andreas; Litinsky, A.; Schneider, Philipp; Orzada, Stephan; Otto, Simon
    A full-wavelength dipole RF coil element for 7T MRI with maximized longitudinal FOV and twpeak SAR distribution
    In: ISMRM 19th Annual Meeting & Exhibition (ISMRM 2011); 7-13 May 2011, Montreal, Canada 2011, S. 3813
  • Otto, Simon; Rennings, Andreas; Solbach, Klaus; Caloz, Christophe
    Broadside radiation in frequency-scanning periodic leaky-wave antennas : circuit analysis, asymptotic formulas, and fundamental behaviors
    In: IEEE International Symposium on Antennas and Propagation and USNC/URSI National Radio Science Meeting Registration, Short Courses and Workshops 2011, S. 223 - 225
  • Stockem, Irina; Rennings, Andreas; Erni, Daniel
    Charakteristische Moden mit FEKO
    In: XIII. German FEKO User Meeting, Nov. 8, 2011, Stuttgart, Germany 2011, S. 1 - 15
  • Erni, Daniel; Liebig, Thorsten; Rennings, Andreas; Koster, Norbert H. L.; Fröhlich, Jürg
    Highly adaptive RF excitation scheme based on conformal resonant CRLH metamaterial ring antennas for 7-Tesla traveling-wave magnetic resonance imaging
    In: 2011 annual international conference of the IEEE Engineering in Medicine and Biology Society / Annual international conference of the IEEE Engineering in Medicine and Biology Society (EMBC 2011), 30 August - 3 September 2011, Boston, Massachusetts 2011, S. 554 - 558
  • Yuan, Q.; Chen, Z.; Otto, Simon; Held, Sebastian; Solbach, Klaus; Erni, Daniel; Rennings, Andreas
    MetaBeam: : Multi-layer CRLH antennas for 24 GHz sensor applications based on low-cost PCBs
    In: German Microwave Conference (GeMiC), 2011 / GeMiC, 14 - 16 March 2011, Darmstadt, Germany 2011
  • Liebig, Thorsten; Erni, Daniel; Rennings, Andreas; Koster, Norbert H. L.; Fröhlich, Jürg
    MetaBore - A fully adaptive RF field control scheme based on conformal metamaterial ring antennas for high-field traveling-wave MRI
    In: ESMRMB Congress 2011; 28th Annual Scientific Meeting. October 6-8, 2011, Leipzig/DE; Book of Abstracts (MAGMA vol. 24, Supplement 1) 2011, S. 37 - 38
  • Schneider, Philipp; Litinsky, A.; Rennings, Andreas; Solbach, Klaus; Ladd, Mark E.; Erni, Daniel
    Nearfield investigations for a zeroth-order resonant antenna at 300 MHz with homogeneous longitudinal current distribution and low profile
    In: ESMRMB Congress 2011; 28th Annual Scientific Meeting. October 6-8, 2011, Leipzig/DE; Book of Abstracts (MAGMA vol. 24, Supplement 1) 2011, S. 503 - 505
  • Schneider, Philipp; Litinsky, A.; Rennings, Andreas; Solbach, Klaus; Ladd, Mark E.; Erni, Daniel
    Q-factor evaluations of a zeroth-order resonant antenna with a loading independent operation frequency
    In: ESMRMB Congress 2011; 28th Annual Scientific Meeting. October 6-8, 2011, Leipzig/DE; Book of Abstracts (MAGMA vol. 24, Supplement 1) 2011, S. 505 - 506
  • Schaefer, David; Doose, Jens; Rennings, Andreas; Erni, Daniel
    Simulation elektrischer Felder
    In: Fachfortbildung/Kurzlehrgang: Signatursystem Schiff (F/HT/GT/O-S:STSE/Sig 01/11), Marineoperationsschule (MOS) Bremerhaven, Bundesakademie für Wehrverwaltung und Wehrtechnik Mannheim-Berlin, Nov. 9-11, Bremerhaven, Germany, 2011 2011, S. 1 - 28
  • Rennings, Andreas; Schneider, Philipp; Otto, Simon; Erni, Daniel; Caloz, Christophe; Ladd, Mark E.
    A CRLH zeroth-order resonant antenna (ZORA) with high near-field polarization purity used as an RF coil element for ultra high field MRI"
    In: Metamaterials 2010 : 4th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics ; Karlsruhe (Germany), 13. - 16.9.2010 2010, S. 92 - 94
  • Liebig, Thorsten; Rennings, Andreas; Held, Sebastian; Erni, Daniel
    Accurate parameter extraction of lossy composite right/left-handed (CRLH) transmission lines for planar antenna applications
    In: "Accurate parameter extraction of lossy composite right/left-handed (CRLH) transmission lines for planar antenna applications" 2010, S. 456 - 458
  • Otto, Simon; Rennings, Andreas; Liebig, Thorsten; Caloz, Christophe; Solbach, Klaus
    An energy-based circuit parameter extraction method for CRLH leaky wave antennas
    In: Proceedings of the Fourth European Conference on Antennas and Propagation (EuCAP), 2010 / European Conference on Antennas and Propagation, 12 - 16 April 2010, CCIB, Barcelona, Spain 2010, S. 1 - 5
  • Held, Sebastian; Rennings, Andreas; Erni, Daniel
    Electronically steerable CRLH leaky wave antenna with only one control voltage
    In: "Electronically steerable CRLH leaky wave antenna with only one control voltage" 2010, S. 223 - 225
  • Caloz, Christophe; Rennings, Andreas
    "Overview of resonant metamaterial antennas,"
    In: "Overview of resonant metamaterial antennas," 2009 pp. 615-619 (invited paper)
  • Rennings, Andreas; Mosig, J.; Bahr, A.; Caloz, Christophe; Ladd, Mark E.; Erni, Daniel
    A CRLH metamaterial based RF coil element for magnetic resonance imaging at 7 tesla
    In: 3rd European Conference on Antennas and Propagation (EuCAP 2009) 2009, S. 3231 - 3234
  • Otto, Simon; Rennings, Andreas; Litschke, Oliver; Solbach, Klaus
    A dual-frequency series-fed patch array antenna
    In: 3rd European Conference on Antennas and Propagation (EuCAP 2009) 2009, S. 1171 - 1175
  • Otto, Simon; Held, Sebastian; Rennings, Andreas; Solbach, Klaus
    Array and multiport antenna farfield simulation using EMPIRE, MATLAB and ADS
    In: Proceedings of the 39th European Microwave Conference / EuMC 2009 : Rome, Italy, 29 September - 1 October 2009 2009, S. 1547 - 1550
  • Liebig, Thorsten; Rennings, Andreas; Otto, Simon; Caloz, Christophe; Erni, Daniel
    Comparison between CRLH zeroth-order antenna and series-fed microstrip patch antenna array
    In: "Comparison between CRLH zeroth-order antenna and series-fed microstrip patch antenna array," 2009 pp. 529-532 (invited paper)
  • Mosig, J.; Bahr, A.; Bolz, T.; Rennings, Andreas
    Design and characteristics of metamaterial transmit/receive coil element for 7 Tesla MRI
    In: World Congress on Medical Physics and Biomedical Engineering, September 7 - 12, 2009, Munich, Germany: (IFMBE Proceedings Vol. 25/2 Biomaterials, Cellular and Tussue Engineering, Artificial Organs) 2009, S. 173 - 176
  • Rennings, Andreas; Liebig, Thorsten; Otto, Simon; Caloz, Christophe; Erni, Daniel
    Directive antennas based on zeroth-order resonant CRLH metamaterials implemented in multilayer-technology
    In: "Directive antennas based on zeroth-order resonant CRLH metamaterials implemented in multilayer-technology," 2009, S. 376 - 378
  • Rennings, Andreas; Schneider, P.; Caloz, Christophe; Orzada, Stephan
    Preliminary experiments on a CRLH metamaterial zeroth-order resonant coil (ZORC) element for 7 Tesla MRI applications with large field of view
    In: Metamaterials 2009 : the Third International Congress on Advanced Electromagnetic Materials in Microwaves and Optics ; London, 30th August - 4th Sept. 2009, S. 126 - 128
  • Rennings, Andreas; Lauer, Andreas; Caloz, Christophe; Wolff, Ingo
    Equivalent Circuit (EC) FDTD Method for Dispersive Materials : Derivation, Stability Criteria and Application Examples
    In: Time Domain Methods in Electrodynamics: A Tribute to Wolfgang J. R. Hoefer / Russer, Peter; Siart, Uwe (Hrsg.) 2008, S. 211 - 238
  • Rennings, Andreas; Liebig, Thorsten; Caloz, Christophe; Waldow, Peter
    "MIM CRLH series mode zeroth order resonant antenna (ZORA) implemented in LTCC technology,"
    In: "MIM CRLH series mode zeroth order resonant antenna (ZORA) implemented in LTCC technology," 2007, S. 191 - 194
  • Nguyen, Hoang V.; Abielmona, S.; Rennings, Andreas; Caloz, Christophe
    "Pencil-beam 2D scanning leaky-wave antenna,"
    In: 2007 International Symposium on Signals, Systems, and Electronics : Montreal, Canada, 30 July - 2 August 2007 2007, S. 139 - 142
  • Rennings, Andreas; Liebig, Thorsten; Caloz, Christophe; Wolff, I.
    Double Lorentz transmission line metamaterial and its application to tri-band devices
    In: 2007 IEEE MTT-S International Microwave Symposium digest / IEEE MTT-S International Microwave Symposium digest, Honolulu, Hawaii, June 3 - 8, 2007 2007, S. 1427 - 1430
  • Rennings, Andreas; Liebig, Thorsten; Caloz, Christophe; Wolff, Ingo
    Highly directive resonator antennas based on composite right/left-handed (CRLH) transmission lines
    In: 2nd International ITG Conference on Antennas, 2007 / 2nd International ITG Conference on Antennas, 2007 : Arabella Sheraton, Munich, 28 - 30 March 2007 2007, S. 190 - 194
  • Rennings, Andreas; Liebig, Thorsten; Abielmona, S.; Caloz, Christophe; Waldow, Peter
    Tri-band and dual-polarized antenna based on composite right/left-handed transmission line
    In: European Microwave Conference : EuMC 2007 / 2007 European Microwave Conference : EuMC 2007; Munich, Germany, 9 - 12 October 2007 2007, S. 720 - 723
  • Rennings, Andreas; Mosig, J.; Gupta, S.; Caloz, Christophe; Kashyap, R.; Erni, Daniel; Waldow, Peter
    Ultra-Compact power splitter based on surface plasmons
    In: International Symposium on Signals, Systems, and Electronics, 2007 / ISSSE '07 ; Montreal, Canada, July 30, 2007 - Aug. 2, 2007 2007, S. 471 - 474
  • Rennings, Andreas; Otto, S.; Liebig, Thorsten; Caloz, Christophe; Wolff, Ingo
    Dual-band composite right/left-handed ring antenna with linear/circular polarization capability
    In: Proceedings of the First European Conference on Antennas and Propagation / First European Conference on Antennas and Propagation : Nice, France, 6 - 10 November 2006 2006, S. 1 - 6
  • Rennings, Andreas; Otto, S.; Mosig, J.; Caloz, Christophe; Wolff, Ingo
    Extended composite right/left-handed (E-CRLH) metamaterial and its application as quadband quarter-wavelength transmission line
    In: 2006 Asia-Pacific Microwave Conference: Proceedings / Asia-Pacific Microwave Conference, December 12-15, 2006 (Pacifico Yokohama) 2006, S. 1405 - 1408
  • Otto, S.; Lauer, Andreas; Kassner, J.; Rennings, Andreas
    Full wave coupled resonator filter optimization using a multi-port admittance-matrix
    In: 2006 Asia-Pacific Microwave Conference: Proceedings / Asia-Pacific Microwave Conference, December 12-15, 2006 (Pacifico Yokohama) 2006
  • Bücher/Sammelwerke/Tagungsbände

  • Haj Hassan, Mohamed; Al-Mulla, M.; Sievert, Benedikt; Rennings, Andreas; Erni, Daniel (Hrsg.)
    Evaluation of different phased array approaches for orbital angular momentum beam steering
    13th German Microwave Conference (GeMiC 2020),
    Cottbus (2020)
  • Litschke, Oliver; Chen, Zhichao; Otto, Simon; Rennings, Andreas
    Gruppenantenne mit frequenzabhängiger Richtwirkung [Patentschrift]
    (2012) 13 Seiten
  • Erni, Daniel; Koster, Norbert H. L.; Liebig, Thorsten; Rennings, Andreas
    Meta-MRT-Antennenvorrichtungen für die Wanderwellen-Magnetresonanztomographie [Patentschrift]
    (2012) 43 Seiten
  • Liebig, Thorsten; Rennings, Andreas; Erni, Daniel
    The openEMS simulation project : a free and open source EC-FDTD solver for advanced MRI application
    Essen (2012) 13
  • Schäfer, David; Doose, Jens; Rennings, Andreas; Erni, Daniel
    Numerical Analysis of Propeller-induced Low-frequency Modulations in Underwater Electric Potential Signatures of Naval Vessels in the Context of Corrosion Protection Systems
    Stuttgart, Germany (2011) 25 Seiten
  • Dissertation

  • Rennings, Andreas
    Elektromagnetische Zeitbereichssimulationen innovativer Antennen auf Basis von Metamaterialien
    Duisburg (2008) X, 239 S. : Ill., zahlr. graph. Darst.
  • Poster / Posterbeiträge

  • Jalali, Mandana; Jerbic, Kevin; Rennings, Andreas; Svejda, Jan Taro; Erni, Daniel;
    Towards a virtual microdosimetry of biological tissue at 6G frequencies
    1st 6GEM Annual Meeting / 2nd General Assembly, June 29-30, Fraunhofer-InHaus-Center, Duisburg, Germany,
    Duisburg (2022)
  • Thiel, Christian; Neumann, Kevin; Bröcheler, Claas; Ludwar, Frank; Rennings, Andreas; Doose, Jens; Erni, Daniel (Hrsg.)
    Coating damage detection and localization on naval vessel hulls using artificial neural networks
    11th International Marine Electromagnetics Conference (MARELEC 2019), 22-25 October 2019, Woods Hole, USA,
    (2019)
  • Bröcheler, Claas; Thiel, Christian; Ludwar, Frank; Doose, Jens; Rennings, Andreas; Erni, Daniel (Hrsg.)
    Numerical evalution of the power flow from an electric current dipole modelling a naval vessel
    11th International Marine Electromagnetics Conference (MARELEC 2019), 22-25 October 2019, Woods Hole, USA,
    (2019)
  • Bröcheler, Claas; Thiel, Christian; Rennings, Andreas; Ludwar, F.; Doose, J.; Erni, Daniel;
    Frequency dependent UEP signatures of naval vessels modeled by a current dipole
    COMSOL Conference 2018, 22-24 October 2018, Lausanne,
    Lausanne (2018)
  • Thiel, Christian; Neumann, Kevin; Bröcheler, Claas; Ludwar, F.; Rennings, Andreas; Doose, J.; Erni, Daniel;
    Iterative electric potential adjustment of damaged naval vessels using the onboard ICCP-system
    COMSOL Conference 2018, 22-24 October 2018, Lausanne,
    Lausanne (2018)
  • Neumann, Kevin; Möller, Jan; Kühnel, Laura; Rennings, Andreas; Benson, Niels; Schmechel, Roland; Erni, Daniel;
    Modeling of random nanostructures based on SEM images and analysis of resulting RF-performance
    COMSOL Conference 2018, 22-24 October 2018, Lausanne,
    Lausanne (2018)
  • Kahnert, S.; Lennartz, K.; Goehlich, A.; Greifendorf, D.; Schreiber, Fedor; Kirstein, Uwe; Bartels, F.; Janzyk, U.; Rennings, Andreas; Erni, Daniel; Küppers, R.; Vogt, H.;
    Development of a microchip based cell sorting device
    BIO.NRW.academy, From Mice to Men: Road to Human Relevant Alternative Methods for Safety Assessment, Henkel AG & Co. KgaA,
    Düsseldorf, Germany (2016)
  • Schreiber, Fedor; Rennings, Andreas; Erni, Daniel;
    Towards a final explanation of the contact angle saturation in electrowetting based on the exploration of the Maxwell stress tensor at a triple point
    International Confernce on The Materials Chain – from Discovery to Production (MCIC 2016), UA Ruhr, Ruhr University Bochum (RUB),
    Bochum (2016)
  • Schreiber, Fedor; Kahnert, Stefan; Goehlich, Andreas; Greifendorf, Dieter; Bartels, Frank; Michelsen, Ulrike; Lennartz, Klaus; Kirstein, Uwe; Rennings, Andreas; Küppers, Ralf; Erni, Daniel;
    An efficient on-chip electrowetting cell sorter architecture based on smart diffusion
    Microfluidics 2014 - EMBL Conference, 23 - 25.07.2014, Heidelberg,
    (2014)
  • Vorträge

  • ; Starke, David; Wittemeier, Jonathan; Vogelsang, Florian; Sievert, Benedikt; Erni, Daniel; Rennings, Andreas; Rücker, Holger; Pohl, Nils
    A fully integrate 0.48 THz FMCW radar transceiver MMIC in a SiGe-technology
    52nd European Microwave Conference (EuMC 2022) / 25th European Microwave Week (EuMW 2022): 25-30 September 2022; Milan, Italy,
    Milan, Italy (2022)
  • ; Zhang, Meng; Rennings, Andreas; Erni, Daniel
    Wireless subharmonic injection-locked, resonant tunneling diode array with beam steering capability at 720 GHz
    51st European Microwave Conference (EuMC 2021) / 24th European Microwave Week (EuMV 2021), April 2 - 7, London, UK,
    London, UK (2022)
  • ; Vatanchi, M.; Chaim, K. T.; Otaduy, M. C. G.; Rennings, Andreas; Erni, Daniel; Zylka, W.
    Garcia, M. M.; (Hrsg.)
    Investigating the influence of dielectric pads in 7T magnetic resonance imaging : Simulated and experimental assessment
    BMT 2020 - 54th DGBMT Annual Conference of the German Society for Biomedical Engineering / VDE-DGBMT; 29.09.2020 - 01.10.2020; Online Event,
    Leipzig (2020)
  • Rennings, Andreas; Svejda, Jan Taro; Erni, Daniel (Hrsg.)
    Metamaterial-based enhancements of RF coils for UHF MRI
    GIDRM Workshop on Metamaterials and Metasurfaces in Magnetic Resonance,
    Pisa, Italien (2020)
  • Thiel, Christian; Neumann, Kevin; Bröcheler, Claas; Ludwar, Frank; Doose, Jens; Rennings, Andreas; Erni, Daniel; (Hrsg.)
    Simulation of quasi-static electric and magnetic signatures of naval vessels
    COMSOL Day, Universität Duisburg-Essen, 20.02.2020, Duisburg, Germany,
    (2020)
  • Rennings, Andreas; Sievert, Benedikt; Erni, Daniel
    Tackling the efficiency issue of millimeter-wave on-chip antennas of microship-type via periodic loading with radiative gaps
    St. Petersburg (2020)
  • Neumann, Kevin; Kühnel, Laura; Langer, Fabian; Rennings, Andreas; Benson, Niels; Schmechel, Roland; Erni, Daniel;
    Analysis of stochastik Schottky barrier variations within printed high frequency rectifiers for harmonics generation
    IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes (IMWS-AMP 2019), 16-18 July 2019, Bochum, Germany,
    (2019)
  • Wang, Peng Yuan; Lyu, Y.-L.; Meng, F.-Y.; Rennings, Andreas; Erni, Daniel;
    Beam-steering leaky-wave antenna based on liquid crystals
    1st MARIE IRTG Spring School, International Research Training Group (IRTG), DFG CRC/TRR 196 MARIE, 28-29 March 2019, Dortmund, Germany,
    (2019)
  • Svejda, Jan Taro; Rennings, Andreas; Erni, Daniel;
    Compact metamaterial-based coil element for combined 1H/23Na MRI at 7T
    IV International Conference on Metamaterials and Nanophotonics METANANO 2019, 14. Juli 2019 – 18. Juli 2019, Sankt Petersburg, Russland,
    (2019)
  • Jalali, Mandana; Mertin, P.; Rennings, Andreas; Erni, Daniel;
    Effect of hepatic vein on gold nanoparticle-mediated hyperthermia in liver cancer
    IV. International Conference on Applications of Optics and Photonics (AOP 2019), 31.5.-4.6.2019, Lisbon. Portugal,
    Lissabon (2019)
  • Wang, Peng-Yuan; Meng, Fan-Yi; Lyu, Yue-Long; Sievert, Benedikt; Rennings, Andreas; Erni, Daniel (Hrsg.)
    Holographic metasurface reflectarray for Terahertz radiation
    42nd PIERS 2019 , 17-20 December 2019, Xiamen, China,
    (2019)
  • Erni, Daniel; Jerbic, Kevin; Rennings, Andreas; Huclova, Sonja; Fröhlich, Jürg;
    Mehrskalige elektromagnetische Gewebemodelle für den mm-Wellen-Bereich
    FSM-Workshop "Millimeterwellen - Stand der Forschung", 18-19 Juni 2019, Zürich, Switzerland,
    Zürich (2019)
  • Erni, Daniel; Rennings, Andreas; Svejda, Jan Taro; Sievert, Benedikt; Chen, Zhichao; Liebig, Thorsten; Fröhlich, Jürg;
    Multi-functional RF coils for 7T MRI based on 1D/2D electromagnetic metamaterial engineering
    Invited seminar lecture, Comprehensive Heart Failure Center (CHFC); University Hospital Würzburg, Würzburg, Germany,
    Würzburg (2019)
  • Neumann, Kevin; Rennings, Andreas; Erni, Daniel;
    New approach for the simulation of bent and crumpled antennas on a flexible substrate
    IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes (IMWS-AMP 2019), 16-18 July 2019, Bochum, Germany,
    (2019)
  • Jerbic, Kevin; Sievert, Benedikt; Svejda, Jan Taro; Rennings, Andreas; Erni, Daniel;
    On the applicability of homogenization in composite material models for tissue analysis in the mm-wave range
    PIERS 2019 (PhotonIcs & Electromagnetics Research Symposium 2019), 17-20 June 2019, Rome, Italy,
    Rom (2019)
  • Haj Hassan, Mohamed; Rennings, Andreas; Erni, Daniel;
    Reducing the ivergence of vortex waves with a lens tailored to the utilized circular antenna array
    1st MARIE IRTG Spring School, International Research Training Group (IRTG), DFG CRC/TRR 196 MARIE, 28-29 March 2019, Dortmund, Germany,
    (2019)
  • Arzi, Khaled; Clochiatti, Simone; Suzuki, S.; Rennings, Andreas; Erni, Daniel; Weimann, Nils; Asada, M.; Prost, Werner;
    Triple-barrier resonant tunneling diode
    1st MARIE IRTG Spring School, International Research Training Group (IRTG), DFG CRC/TRR 196 MARIE, 28-29 March 2019, Dortmund, Germany,
    (2019)
  • Thiel, Christian; Bröcheler, Claas; Ludwar, Frank; Rennings, Andreas; Doose, Jens; Erni, Daniel (Hrsg.)
    UEP signature prediction of naval vessels using the impressed current cathodic protection system
    11th International Marine Electromagnetics Conference (MARELEC 2019), 22-25 October 2019, Woods Hole, USA,
    (2019)
  • Thiel, Christian; Neumann, Kevin; Bröcheler, Claas; Ludwar, Frank; Rennings, Andreas; Doose, Jens; Erni, Daniel;
    Using an artificial neural network to evaluate the hull condition of naval vessels
    11th International Conference on Ship Signature Management (CSSM 2019), 24.09.-26.09.2019, Eckernförde,
    (2019)
  • Erni, Daniel; Rennings, Andreas; Svejda, Jan Taro; Sievert, Benedikt; Chen, Z.; Liebig, T.; Froehlich, J. (Hrsg.)
    Multi-functional RF coils for 7T MRI based 1 D/2D electromagnetic metamaterial engineering
    Seminar talk: Institut Fresnel, CNRS and Centre de Resonance Magnétique Biologique et Médicale, Marseille,
    Marseille (2018)
  • Arzi, Khaled; Suzuki, S.; Rennings, Andreas; Erni, Daniel; Weimann, Nils; Asada, M.; Prost, Werner;
    On the sensitivity of triple-barrier resonant-tunneling (sub-) mm-wave detectors
    Progress in Electromagnetics Research Symposium, 2018, Toyama, Japan,
    Toyama (2018)
  • ; Arzi, K.; Suzuki, S.; Rennings, Andreas; Erni, Daniel; Weimann, Nils; Asada, M.; Prost, Werner
    Subharmonic signal generation and injection locking in resonant-tunneling-diode Terahertz oscillator
    79th Japan Society of Applied Physics (JSAP 2018) Autumn Meeting, Nagoya Congress Center, Nagoya, Japan Sept. 18-21, 2018,
    Nagoya (2018)
  • Kühnel, Laura; Pandel, Damian; Schmechel, Roland; Möller, J.; Neumann, Kevin; Rennings, Andreas; Erni, Daniel; Hierzenberger, Anke; Schleberger, Marika; Nguon, O.J.; Duvigneau, J.; Vancso, G.J.;
    Silicon nanoparticle inks for RF electronic applications
    FLEX Europe 2017/SEMICON Europa 2017, Munich, 14-17 November 2017,
    München (2017)
  • Chen, Zhichao; Svejda, Jan Taro; Solbach, Klaus; Erni, Daniel; Rennings, Andreas;
    Frequency- and Time-Domain Modeling of an RF Dipole Coil with a High-Impedance-Surface (HIS) Shield
    Workshop 2016: BioEM Field Simulation for UHF MRI, May 19th 2016, EDUHF-LAB MRI, Magdeburg,
    (2016)
  • Svejda, Jan Taro; Rennings, Andreas; Erni, Daniel;
    openEMS based 3D-EM field simulations with use of complex weighted superpositions principle
    Workshop 2016: BioEM Field Simulation for UHF MRI, May 19th 2016, EDUHF-LAB MRI, Magdeburg,
    (2016)
  • Rennings, Andreas;
    Elektromagnetische Zeitbereichssimulationen innovativer Antennen auf Basis von Metamaterialien
    Verleihung des VDE-Promotionspreises; Univeristät Duisburg-Essen, Campus Duisburg, 12.11.2009,
    (2009) Powerpointpräsentation, 18 Seiten
  • Rennings, Andreas; Erni, Daniel; Wolff, Ingo;
    Time-domain simulation of surface plasmons in ultra-compact optical devices
    3rd Workshop on Numerical Methods for Optical Nano Structures, ETH Zurich, Switzerland, 2007,
    Zürich (2007)