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Prof. Dr.-Ing. Lorenz-Peter Schmidt

Neueste Veröffentlichungen

  • C. Schildbach and L. Schmidt, "Holographic Imaging Approach", In Holographic Imaging Approach, 2017.
  • C. Schildbach, D. Ong, H. Hartnagel and L. Schmidt, "Estimation of frequency conversion efficiency of THz devices using a ballistic electron wave swing circuit model", Semiconductor Science and Technology, vol. 31, no. 6, pp. 065003, Juni, 2016.
  • R. Trommer, P. Quednau and L. Schmidt, "Application of selected performance test scenarios on multi-channel UHF receivers", in Proceedings of the GeMiC 2016 - The 10th German Microwave Conference (GeMiC 2016), März, 2016.
  • P. Quednau, R. Trommer and L. Schmidt, "Multi-Antenna Data Collector for Smart Metering Networks with Integrated Source Separation by Spatial Filtering", Frequenz, vol. 70, no. 3-4, Januar, 2016.
  • S. Wachtl, V. Koch, R. Westphal and L. Schmidt, "Multistatic GNSS Receiver Array for Passive Air Surveillance", Frequenz, vol. 70, no. 3-4, Januar, 2016.
  • M. Schramm, M. Hrobak, J. Schür, L. Schmidt and M. Konrad, "Optimized method for achieving accurate signals for “True-Mode” S-parameter measurements", in Proceedings of the 45$^{th}$ European Microwave Conference, Paris, September, 2015.
  • A. Köhler, J. Schür, M. Vossiek and L. Schmidt, "Integration and Performance Aspects of Automotive Radar at Millimeterwave and Sub-Millimeterwave Frequencies", in Proceedings of the IEEE MTT-S International Microwave Symposium 2015 (IMS 2015), Phoenix, Mai, 2015.
  • M. Hrobak, M. Sterns, M. Schramm, W. Stein and L. Schmidt, "Corrections to "Design and Fabrication of Broadband Hybrid GaAs Schottky Diode Frequency Multipliers"", IEEE Transactions on Microwave Theory and Techniques, Februar, 2015.
  • C. Schildbach and L. Schmidt, "Optimally shaped reflectors for Gaussian beam transformation", in Proceedings of the IEEE Conference on Antenna Measurements & Applications (CAMA), November, 2014.
  • M. Nezadal, J. Schür and L. Schmidt, "Full polarimetric THz imaging system in comparison with infraredthermography", in Proceedings of the 11th European Conference on Non-Destructive Testing, Praha, Oktober, 2014.
  • M. Nezadal, J. Schür and L. Schmidt, "Non-destructive testing of glass fibre reinforced plastics with a full polarimetric imaging system", in Proceedings of the Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), 2014 39th International Conference on, Tucson, September, 2014.
  • S. Wachtl, V. Koch and L. Schmidt, "Global navigation satellite systems in passive surveillance applications", in Proceedings of the ESAV'14 - Enhanced Surveillance of Aircraft and Vehicles International Workshop, Rome, September, 2014.
  • S. Methfessel and L. Schmidt, "Size-reduction and suppression of cavity-resonances in hybrid mm-wave antennas for polarimetric measurements", in Proceedings of the 43rd European Microwave Conference, pp. 343-351, Nuremberg, Juni, 2014.
  • C. Stumpf, T. Frank, M. Vester, S. Martius, R. Rehner, R. Engelbrecht and L. Schmidt, "Current limited superconducting RF coils", in Proceedings of the Intl. Soc. Mag. Reson. Med. 22th, Milan, Mai, 2014.
  • M. Nezadal, J. Schür and L. Schmidt, "Cross-Polarized Imaging of Glass-Fibre Reinforced Plastics at mm-Waves", in Proceedings of the 8th German Microwave Conference (GeMiC2014), Aachen, März, 2014.
  • J. Adametz, S. Ahmed, F. Gumbmann, A. Schiessl, L. Schmidt and M. Vossiek, "Multistatic/MIMO Close-Range Imaging Radar: Theory and Concepts", in Proceedings of the IEEE IMS 2014 Workshop on MIMO Radar Techniques and Frontends for Localization and Imaging, Tampa, 2014.
  • J. Adametz and L. Schmidt, "Threat object classification with a close range polarimetric imaging system by means of H-α decomposition", International Journal of Microwave and Wireless Technologies, vol. 6, no. 3-4, pp. 415-421, 2014.
  • M. Nezadal, J. Adametz and L. Schmidt, "Wideband Imaging Systems in the mm-Wave and THz range for Security and Nondestructive Testing", in Proceedings of the 31st URSI General Assembly and Scientific Symposium, Beijing, 2014.
  • M. Mueller, K. Schmiechen, D. Heselmann, L. Schmidt, T. Göen and L. Schmidt, "Human biological monitoring - A versatile tool in the aftermath of a CBRN incident", Toxicology Letters, vol. 231, no. 3, pp. 306-14, 2014.
  • M. Ruf, S. Mueller, S. Setzer and L. Schmidt, "Beam Position and Energy Monitoring in Compact Linear Accelerators for Radiotherapy", IEEE Transactions on Biomedical Engineering, vol. 61, no. 2, pp. 381-387, 2014.
  • S. Ahmed, J. Adametz, F. Gumbmann, A. Schiessl, L. Schmidt and M. Vossiek, "Multistatic/MIMO Close-Range Imaging Radar: Realization and Challenges", in Proceedings of the IEEE IMS 2014 Workshop on MIMO Radar Techniques and Frontends for Localization and Imaging, Tampa, 2014.
  • M. Hrobak, M. Sterns, M. Schramm, W. Stein, F. Poprawa, A. Ziroff, J. Schür and L. Schmidt, "Planar D-Band Frequency Doubler and Y-Band Tripler on PTFE Laminates", in Proceedings of the Proceedings of the 38th International Conference on Infrared, Millimeter and Terahertz Waves IRMMW-THz 2013, Mainz, Germany, September, 2013.
  • M. Köhler, J. Hasch, H. Bloecher and L. Schmidt, "Feasibility of automotive radar at frequencies beyond 100 GHz", International Journal of Microwave and Wireless Technologies, vol. 5, no. 01, pp. 49-54, Februar, 2013.
  • R. Trommer, P. Quednau and L. Schmidt, "A Multi-channel Frequency-variable Test Signal Generator for SSR Signals", in Proceedings of the 43th European Microwave Week, pp. 45-48, Nuremberg, Germany, 2013.
  • T. Koeppel, S. Methfessel, A. Schießl and L. Schmidt, "Increasing Measurement Speed in mm-Wave Imaging Systems by Means of Frequency Multiplexing", in Proceedings of the 43th European Microwave Week, pp. 315-318, Nuremberg, Germany, 2013.
  • R. Juenemann, A. Zielska, A. Schießl, S. Methfessel and L. Schmidt, "Differential Excitation of a Hybrid Antenna for a 75 GHz Antenna Array Implemented on a Multilayer PC Board", in Proceedings of the 43th European Microwave Week, pp. 1163-1166, Nuremberg, Germany, 2013.
  • M. Schramm, M. Hrobak, J. Schür and L. Schmidt, "A New Switch Correction Method for a Single-Receiver VNA", in Proceedings of the Proceedings of the 43th European Microwave Week, pp. 444-447, Nuremberg, Germany, 2013.
  • M. Hrobak, M. Sterns, M. Schramm, W. Stein and L. Schmidt, "Planar Varistor Mode Schottky Diode Frequency Tripler Covering 60 GHz to 110 GHz", in Proceedings of the Proceedings of the International Microwave Symposium 2013, Seattle, USA, 2013.
  • M. Hrobak, M. Sterns, M. Schramm, W. Stein and L. Schmidt, "Planar Zero Bias Schottky Diode Detector Operating in the E- and W-Band", in Proceedings of the Proceedings of the 43th European Microwave Week, pp. 179-182, Nuremberg, Germany, 2013.
  • S. Wachtl, V. Koch and L. Schmidt, "Multipath Sensor Based on GNSS for Passive Airborne Surveillance", in Proceedings of the 43th European Microwave Week, pp. 255-258, Nuremberg, Germany, 2013.
  • A. Schießl, S. Ahmed, A. Genghammer and L. Schmidt, "Phase Error Sensitivity in Multistatic Microwave Imaging Systems", in Proceedings of the 43th European Microwave Week, pp. 319-322, Nuremberg, Germany, 2013.
  • A. Cenanovic and L. Schmidt, "Space-Resolved Measurement and 2D-Mapping of Material Parameters Using Multi-Angle Reflection Ellipsometry in W-Band", in Proceedings of the Proceedings of the International Microwave Symposium 2013, Seattle, USA, 2013.
  • C. Schildbach, J. Schür and L. Schmidt, "Broadband Detector Array Concept for 3D Holographic Imaging at THz Frequencies", in Proceedings of the 43th European Microwave Week, pp. 1243-1246, Nuremberg, Germany, 2013.
  • M. Nezadal, J. Schür and L. Schmidt, "Impact Damage Analysis of Composite Materials With a mm-Wave Synthetic Aperture Radar", in Proceedings of the Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), 2013 38th International Conference on, Mainz, Germany, 2013.
  • M. Hrobak, M. Sterns, M. Schramm, W. Stein and L. Schmidt, "Design and Fabrication of Broadband Hybrid GaAs Schottky Diode Frequency Multipliers", IEEE Transactions on Microwave Theory and Techniques, vol. 61, no. 12, pp. 4442-4460, 2013.
  • M. Nezadal, J. Schür and L. Schmidt, "Imaging System for Non-Destructive Testing of Glass Fibre Reinforced Plastics", in Proceedings of the 5th International Symposium on NDT in Aerospace, Singapore, 2013.
  • P. Quednau, R. Trommer and L. Schmidt, "A Small Size Low Cost Electronically Tunable Bandpass Filter with Integrated Bias Control", in Proceedings of the International IEEE Conference on Microwaves, Communications, Antennas and Electronic Systems 2013, Tel-Aviv, Israel, 2013.
  • M. Köhler, J. Schür and L. Schmidt, "Antenna Concept for an Automotive Radar Sensor at 150 GHz", in Proceedings of the IEEE Radio Wireless Week 2013, 20-23 Jan., pp. 103-105, Austin, TX, USA, 2013.
  • J. Adametz and L. Schmidt, "Body Scanner Using Active Imaging", in Proceedings of the IMS 2013 Workshop on Microwave Systems for Security Applications, Seattle, USA, 2013.
  • A. Schießl, S. Ahmed, A. Genghammer and L. Schmidt, "Temperature Sensitivity of Large Digital-Beamforming Multistatic mm-Wave Imaging Systems", in Proceedings of the IEEE International Microwave Symposium 2013, Seattle, USA, 2013.
  • J. Adametz and L. Schmidt, "Threat Object Classification with a Close Range Polarimetric Imaging System by Means of H-alpha Decomposition", in Proceedings of the 43th European Microwave Week, pp. 77-80, Nuremberg, Germany, 2013.
  • M. Köhler and L. Schmidt, "Automotive Radar Frequencies above 100 GHz and Their Advantages (W24)", in Proceedings of the 43th European Microwave Week, Nuremberg, Germany, 2013.
  • S. Methfessel and L. Schmidt, "Size-Reduction and Suppression of Cavity-Resonances in Hybrid mm-Wave Antennas for Polarimetric Measurements", in Proceedings of the 43th European Microwave Week, pp. 1739-1742, Nuremberg, Germany, 2013.
  • A. Schießl, S. Ahmed and L. Schmidt, "Data Statistics and Image Properties of a Large Multistatic mm-Wave Imaging System", in Proceedings of the 14th International Radar Symposium IRS2013, pp. 202-206, Dresden, Germany, 2013.
  • M. Hrobak, W. Stein, M. Sterns, M. Schramm and L. Schmidt, "A hybrid broadband microwave triple balanced mixer based on silicon crossed quad diodes", in Proceedings of the 42th European Microwave Week, Amsterdam, November, 2012.
  • A. Schiessl, R. Juenemann and L. Schmidt, "Rx-Tx Analog Front-End Module with 2 x 96 Channels for mm-Wave ImagingSystems", in Proceedings of the 42nd European Microwave Week, Amsterdam, November, 2012.
  • M. Schramm, M. Hrobak, J. Schür and L. Schmidt, "A SOLR calibration procedure for the 16-term error model", in Proceedings of the 42th European Microwave Week, Amsterdam, November, 2012.
  • S. Ahmed, A. Schießl, F. Gumbmann, M. Tiebout, S. Methfessel and L. Schmidt, "Advanced Microwave Imaging", IEEE Microwave Magazine, vol. 13, no. 6, pp. 26-43, September, 2012.
  • M. Hrobak, M. Sterns, E. Seler, M. Schramm and L. Schmidt, "Design and construction of an ultrawideband backward wave directional coupler", IET Microwaves Antennas & Propagation, vol. 6, no. 9, pp. 1048, Juli, 2012.
  • A. Schicht, S. Schwarzer and L. Schmidt, "Tip Clearance Measurement Technique for Stationary Gas Turbines Using an Autofocusing Millimeter-Wave Synthetic Aperture Radar", IEEE Transactions on Instrumentation and Measurement, vol. 61, no. 6, pp. 1778-1785, Juni, 2012.
  • S. Ahmed, A. Genghammer, A. Schießl and L. Schmidt, "Fully Electronic Active E-Band Personnel Imager with 2 m$^2$ Aperture", in Proceedings of the IEEE MTT-S International Microwave Symposium 2012 (IMS 2012), Montreal, Juni, 2012.
  • C. Stumpf, R. Rehner, S. Martius, M. Vester, R. Engelbrecht and L. Schmidt, "Calibration of electromagnetic field simulations of MR coil arraysfor accurate quantitative comparison with the measured image SNR", in Proceedings of the Intl. Soc. Mag. Reson. Med. 20th, Melbourne, Mai, 2012.
  • S. Ahmed, A. Schießl and L. Schmidt, "A novel active real-time digital-beamforming imager for personnel screening", in Proceedings of the EUSAR 2012, Nuremberg, April, 2012.
  • A. Schiessl, A. Genghammer, S. Ahmed and L. Schmidt, "Hardware Realization of a 2 m x 1 m Fully Electronic Real-Time mm-WaveImaging System", in Proceedings of the EURSAR 2012, Nuremberg, April, 2012.
  • A. Cenanovic, F. Gumbmann and L. Schmidt, "Automated threat detection and characterization with a polarimetric multistatic imaging system", in Proceedings of the EUSAR 2012, Nuremberg, April, 2012.
  • S. Ahmed and L. Schmidt, "Illumination of humans in active millimeter-wave multistatic imaging", in Proceedings of the European Conference on Antennas and Propagation (EUCAP), Prague, März, 2012.
  • K. Thurn, S. Methfessel and L. Schmidt, "Broadband polarimetric mmWave antennas with differential stripline feed", in Proceedings of the European Conference on Antennas and Propagation, Prague, März, 2012.
  • M. Hrobak, M. Sterns, E. Seler, T. Schrauder, M. Schramm and L. Schmidt, "Broadband, nonuniform stripline directional couplers for use in VNA testsets", in Proceedings of the 7th German Microwave Conference (GeMiC2012), Ilmenau, März, 2012.
  • M. Köhler, J. Hasch, H. Bloecher and L. Schmidt, "Feasibility of Automotive Radar at Frequencies beyond 100 GHz", International Journal of Microwave and Wireless Technologies, vol. 5, no. 01, pp. 49-54, Februar, 2012.
  • A. Cenanovic and L. Schmidt, "Sparse MIMO Array for Multi-Angle Reflection Ellipsometry", in Proceedings of the IEEE International Conference on Wireless Information Technology and Systems 2012, Maui, Hawaii, USA, 2012.
  • M. Nezadal, J. Schür and L. Schmidt, "Non-destructive testing of glass fibre reinforced plastics with a synthetic aperture radar in the lower THz region", in Proceedings of the Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), 2012 37th International Conference on, pp. 1-2, Wollongong, NSW, 2012.
  • S. Ahmed, A. Schiessl and L. Schmidt, "A Novel Fully Electronic Active Real-Time Imager Based on a Planar Multistatic Sparse Array", IEEE Transactions on Microwave Theory and Techniques, vol. 59, no. 12, pp. 3567-3576, Dezember, 2011.
  • A. Cenanovic, F. Gumbmann and L. Schmidt, "Reflection Ellipsometry with a Polarimetric Multistatic Array for Short Range Imaging Applications", in Proceedings of the Asia-Pacific Microwave Conference, Melbourne, Dezember, 2011.
  • M. Ruf, L. Schmidt and S. Setzer, "Validation of Electron Beam Position Monitoring Probes by Comparison of Dose Profile Measurements with Beam Displacement Sensing in the Microwave Range", in Proceedings of the Asia-Pacific Microwave Conference, Melbourne, Dezember, 2011.
  • F. Gumbmann and L. Schmidt, "Millimeter-Wave Imaging With Optimized Sparse Periodic Array for Short-Range Applications", IEEE Transactions on Geoscience and Remote Sensing, vol. 49, no. 10, pp. 3629-3638, Oktober, 2011.
  • M. Ruf, L. Schmidt and S. Setzer, "Beam Position Monitoring based on RF Heterodyning and Log-Ratio Signal Processing for Electron Accelerator Systems", in Proceedings of the 41st European Microwave Conference, Manchester, Oktober, 2011.
  • M. Schramm, M. Hrobak, J. Schür, L. Schmidt and M. Konrad, "Impact of Different Post-Processing Methods on a One-Receiver 2-Port Synthetic VNA Architecture", in Proceedings of the European Microwave Conference, Proceedings, Manchester, Oktober, 2011.
  • H. von Aschen, F. Gumbmann and L. Schmidt, "High resolution permittivity reconstruction of one dimensional stratified dielectric media from broadband measurement data in the W-band", in Proceedings of the Radar Conference (EuRAD), 2011 European, Manchester, Oktober, 2011.
  • S. Ahmed, A. Schießl and L. Schmidt, "Novel Fully Electronic Active Real-Time Millimeter-Wave Imaging System based on a Planar Multistatic Sparse Array", in Proceedings of the International Microwave Symposium 2011, Baltimore, Juni, 2011.
  • A. Cenanovic, M. Schramm and L. Schmidt, "Measurement Setup for Non-Destructive Complex Permittivity Determination of Solid Materials Using Two Coupled Coaxial Probes", in Proceedings of the IMS 2011, Baltimore, Juni, 2011.
  • M. Schramm, J. Schür, M. Hrobak, L. Schmidt and M. Konrad, "MOS-16: A New Method for In-Fixture Calibration and Fixture Characterization", in Proceedings of the ARFTG, Baltimore, Juni, 2011.
  • S. Methfessel and L. Schmidt, "A Waveguide to Differential Stripline Transition for Planar mm Wave Antenna Measurements", in Proceedings of the Global Symposium on Millimeter Waves, GSMM, Mai, 2011.
  • M. Ruf, P. Quednau, L. Schmidt and S. Setzer, "Applicability of the AM-PM Conversion Method to Beam Position Monitoring of Electron Beams accelerated in S-Band Frequency Range", in Proceedings of the 10th European Workshop on Beam Diagnostics and Instrumentation for Particle Accelerators, DIPAC2011, Hamburg, Mai, 2011.
  • A. Schießl, S. Ahmed, A. Genghammer and L. Schmidt, "A Technology Demonstrator for a 0.5 m x 0.5m Fully Electronic Digital Beamforming mm-Wave Imaging System", in Proceedings of the EuCAP 2011, April, 2011.
  • A. Schießl, S. Ahmed, A. Genghammer and L. Schmidt, "Fast Multistatic Measurement System for Short Range Imaging Radar Development", in Proceedings of the 12th URSI Commission-F Triennial Open Symposium on Radio Wave Propagation and Remote Sensing, Garmisch-Partenkirchen, März, 2011.
  • M. Hrobak, M. Sterns, W. Stein, M. Schramm and L. Schmidt, "An Octave Bandwidth Finline Frequency Tripler", in Proceedings of the 6th German Microwave Conference, März, 2011.
  • C. Reck, R. Trommer and L. Schmidt, "Bandpass Filter with Tuneable Bandwidth and Center Frequency basedon Varactor Diodes", in Proceedings of the 6th German Microwave Conference, März, 2011.
  • C. Reck, M. Reuther, U. Berold and L. Schmidt, "Spatial Filtering and Equalization for SSR Signal Detection in a Multipath Environment", in Proceedings of the 6th German Microwave Conference, Darmstadt, März, 2011.
  • A. Cenanovic, S. Martius, A. Kilian, J. Schür and L. Schmidt, "Non Destructive Complex Permittivity Determination of Glass Material with Planar and Convex Survace", in Proceedings of the 6th German Microwave Conference, Darmstadt, März, 2011.
  • C. Reck, M. Reuther, A. Jasch and L. Schmidt, "Independent Surveillance Broadcast – ADS-B Receivers with DOA Estimation", in Proceedings of the ESAV'11, 2011.
  • J. Adametz, F. Gumbmann and L. Schmidt, "Inherent Resolution Limit Analysis for Millimeter-Wave Indirect Holographic Imaging", Frequenz, vol. 65, no. 7-8, Januar, 2011.
  • C. Reck, U. Berold and L. Schmidt, "Robust DOA Estimation of SSR Signals for Aircraft Positioning", in Proceedings of the RWW, Phoenix, Januar, 2011.
  • A. Köhler, J. Hasch, F. Gumbmann, L. Schmidt, J. Schür and H. Bloecher, "Automotive Radar Operation Considerations and Concepts at Frequencies beyond 100 GHz", in Proceedings of the Automative Radar Sensors in the 76-81 GHz Frequency Range, EuMW, Paris, Oktober, 2010.
  • C. Reck, U. Berold and L. Schmidt, "High Precision DOA Estimation of SSR Transponder Signals", in Proceedings of the ICWITS, Honolulu, August, 2010.
  • M. Ruf, L. Schmidt and S. Setzer, "Beam Position Monitoring Based on Higher Beam Harmonics for Application in Compact Medical and Industrial Linear Electron Accelerators", in Proceedings of the 1st International Particle Accelerator Conference, IPAC10, Kyoto, Mai, 2010.
  • A. Kilian and L. Schmidt, "Die Kunststoffkarroserie als Träger mehrlagiger, konformer Folienantennen fuer Automobilradarsysteme", in Proceedings of the WSAA, Ulm, Mai, 2010.
  • C. Reck, U. Berold and L. Schmidt, "Automated Synthesis of Shaped Beam Antenna Patterns with Implied Cross Coupling", in Proceedings of the EuCAP, Barcelona, April, 2010.
  • A. Kilian and L. Schmidt, "Conformal Superstrate Loaded Automotive Radar Antenna for Integration in Polymer Car Body Panels", in Proceedings of the Antennas and Propagation (EuCAP), 2010 Proceedings of the Fourth European Conference on, Barcelona, April, 2010.
  • M. Ruf, S. Trummer, L. Schmidt and S. Setzer, "Validation of a Narrowband Signal Processing System for Beam Position Monitoring Purposes in Linear Accelerators", in Proceedings of the 5th German Microwave Conference, Berlin, März, 2010.
  • A. Köhler, F. Gumbmann, J. Schür, L. Schmidt and H. Bloecher, "Considerations for Future Automotive Radar in the Frequency Range Above 100 GHz", in Proceedings of the RoCC-Session , GeMiC 2010, Berlin, März, 2010.
  • M. Sterns, M. Hrobak, S. Martius and L. Schmidt, "Magnetically Tunable Filter from 72 GHz to 95 GHz", in Proceedings of the 5th German Microwave Conference, Berlin, März, 2010.
  • S. Ahmed, A. Schiessl and L. Schmidt, "Illumination Properties of Multistatic Planar Arrays in Near-Field Imaging Applications", in Proceedings of the European Microwave Week, Paris, September, 2010.
  • A. Weckenmann, L. Schmidt and M. Bookjans, "Collaborative Research Centre 694 “Integration of electronic components into mobile systems”–Motivation and survey", in Proceedings of the Science Direct, Physics Procedia 5, pp. 719-726, 2010.
  • F. Gumbmann and L. Schmidt, "Short Range Imaging with Optimized Sparse Array", in Proceedings of the EuSAR, Aachen, 7.06.-10.6., 2010.
  • C. Reck, U. Berold and L. Schmidt, "Detection of SSR Signals in Multipath Airport Environments by a Multichannel Receiver", in Proceedings of the Asia Pacific Microwave Conference, Yokohama, Japan, December, 2010.
  • M. Fuchs, D. Drummer, A. Kilian and L. Schmidt, "Integration radarbasierter Fahrerassistenzsysteme in Kunststoffkarosserieteile", in Proceedings of the Automotive meets Electronics, pp. 167-172, Dortmund, 2010.
  • M. Schramm, M. Hrobak, J. Schür, L. Schmidt and A. Lechner, "A Simplified Method for Measuring Complex S-Parameters Dedicated to Synthetic Instrumentation", in Proceedings of the EUMW / EUMC, Paris, October, 2010.
  • S. Methfessel and L. Schmidt, "Design of a Balanced-Fed Patch-Excited Horn Antenna at Millimeter-Wave Frequencies", in Proceedings of the European Conference on Antennas and Propagation, EuCAP 2010, Barcelona, Spain, April, 2010.
  • F. Gumbmann and L. Schmidt, "Design of Sparse MIMO Arrays for Short Range Imaging Applications", in Proceedings of the Asia-Pacific Microwave Conference (APMC) 2010, Yokohama, 2010.
  • M. Sterns, R. Rehner, D. Schneiderbanger, S. Martius and L. Schmidt, "Novel Tunable Hexaferrite Bandpass Filter Based on Open-Ended Finlines", in Proceedings of the IMS 2009, Boston, June, pp. 637-640, Boston, MA, 2009.
  • S. Ahmed, A. Schießl and L. Schmidt, "Near Field mm-Wave Imaging with Multistatic Sparse 2 D-Arrays", in Proceedings of the Proceedings of the 6th European Radar Conference, pp. 180-183, 2009.
  • M. Fuchs, D. Drummer, A. Kilian and L. Schmidt, "Untersuchungen zur Eignung heißgeprägter Folien für die Integration von Antennen in Automotive-Exterieurbauteile", Zeitschrift Kunststofftechnik, vol. 5, no. 5, pp. 385-410, 2009.
  • S. Ahmed, O. Ostwald and L. Schmidt, "Automatic Detection of Concealed Dielectic Objects for Personnel Imaging", in Proceedings of the IEEE MTT-S International Microwave Workshop on Wireless Sensing, Local Positioning, and RFID (IMWS 2009 - Croatia), 2009.
  • A. Schicht, K. Huber, A. Ziroff, M. Willsch and L. Schmidt, "Absolute Phase-Based Distance Measurement for Industrial Monitoring Systems", IEEE Sensors Journal, pp. 1007-1013, 2009.
  • A. Kilian and L. Schmidt, "A Novel Fabrication Process for Printed Antennas Integrated in Polymer Multi-Layer Car Body Panels", in Proceedings of the Proceedings of the 39th European Microwave Conference, pp. 578-581, Rome, Italy, 2009.
  • R. Rehner, M. Sterns, D. Schneiderbanger, S. Martius and L. Schmidt, "A Quasi-Lumped Ultra Broadband Contiguos SSL-Diplexer from DC to 80 GHz", in Proceedings of the IMS 2009, Boston, June, 2009.
  • M. Hrobak, M. Schramm, L. Schmidt and A. Lechner, "Virtuelle Instrumente in der Praxis", In Virtuelle Instrumente in der Praxis, pp. 359-363, 2009.
  • C. Reck, U. Berold, J. Schür and L. Schmidt, "Direction of Arrival Sensor Calibration based on ADS-B Airborne Position Telegrams", in Proceedings of the EuMW / EuRAD, Rom, September, 2009.
  • F. Gumbmann, H. Tran and L. Schmidt, "Sparse Linear Array Design for a Short Range Imaging Radar", in Proceedings of the EuMW, 28.09-2.10., Rom, pp. 176-179, Rome, 2009.
  • M. Sterns, R. Rehner, D. Schneiderbanger, S. Martius and L. Schmidt, "Magnetically Tunable Hexaferrite Bandpass Filter from 43 GHz to 83.5 GHz", in Proceedings of the Proceedings of the 39th European Microwave Conference, pp. 129-132, Rome, Italy, 2009.
  • M. Ruf, L. Schmidt and S. Setzer, "Experimental Verification of Particle-in-cell Simulation Results concerning Capacitive Pickup Devices", in Proceedings of the Proceedings of DIPAC09, pp. 1-3, Basel, Switzerland, 2009.
  • A. Kilian, M. Fuchs and L. Schmidt, "Design considerations for the hot embossing of microstrip antennas on plastic foils", International Journal of Microwave and Wireless Technologies, vol. 1(4), pp. 249-254, 2009.
  • S. Methfessel and L. Schmidt, "Design and Measurement of a Wideband Aperture-Coupled and Polarization-Agile Stacked-Patch Antenna-Array for Monopulse Radar Applications", in Proceedings of the European Conference on Antennas and Propagation EuCAP, Berlin, March, pp. 1350-1353, Berlin, 2009.
  • F. Gumbmann, H. Tran, J. Weinzierl and L. Schmidt, "Multistatic Short Range Ka-Band Imaging System", in Proceedings of the GeMIC 2009, München, March, Munich, 2009.
  • S. Ahmed, A. Schießl and L. Schmidt, "Multistatic mm-Wave Imaging with Planar 2D-Arrays", in Proceedings of the GeMiC 2009, 16 - 18 March, München, Germany, Munich, 2009.
  • R. Rehner, D. Schneiderbanger, M. Sterns, S. Martius and L. Schmidt, "Broadband Planar Ring Mixers with DGS-Marchand Baluns in the Millimeter Wave Frequency Range", in Proceedings of the GEMIC March 2008, 2008.
  • M. Ruf, J. Schür, N. Bogdan, L. Schmidt and H. Hartnagel, "Design considerations for a fixed tuned 300 GHz Heterostructure Barrier Charge Swing tripler", in Proceedings of the Proceedings of the 3rd German Microwave Conference, pp. 139-141, 2008.
  • C. Reck, U. Berold, J. Weinzierl and L. Schmidt, "Direction of Arrival Estimation from Secondary Surveillance RadarSignals in Presence of Hardware Imperfections", in Proceedings of the European Microwave Week / EuRAD, Amsterdam, October, 2008.
  • F. Gumbmann, H. Tran, J. Weinzierl and L. Schmidt, "3D SAR Processing for a Fast Scanning Millimeter-Wave Short Range Imaging System", in Proceedings of the European Conference on Synthetic Aperture Radar (EuSAR 08,03.-05.06.08), 2008.
  • A. Kilian, J. Weinzierl and L. Schmidt, "Investigation of the hot embossing technology for low-cost antennas printed on polymer substrates", in Proceedings of the 38th European Microwave Conference, EuMC 2008, pp. 1-4, Amsterdam, 2008.
  • D. Schneiderbanger, M. Nezadal, M. Sterns, R. Rehner, S. Martius and L. Schmidt, "A Double-Balanced Diode Mixer with Multi-Decade Bandwidth up to 119 GHz", in Proceedings of the Proceedings of the 1st European Wireless Technology Conference, October, pp. 5-8, Amsterdam, 2008.
  • M. Ruf, J. Schür, N. Bogdan, L. Schmidt and H. Hartnagel, "Validation of a fixed tuned planar tripler design optimized for sub-mm wave generation with HBCS devices", in Proceedings of the Proceedings of the European Microwave Association, pp. 46-51, 2008.
  • H. Hartnagel, L. Schmidt, B. Nicolae, I. Oprea, D. Schoenherr, D. Ong, J. Schür and M. Ruf, "Heterostructure Equivalence of Step-Recovery Diodes for Ballistic and Diffusive Electron Resonance - a New Concept for THz Signal Generation", in Proceedings of the Proceedings of 33rd international Conference on Infrared, Millimeter and Teherahertz Waves, pp. 1-3, Pasadena, USA, 2008.
  • J. Schür, M. Ruf and L. Schmidt, "A 4th Harmonic Schottky Diode Mixer - Faciliated Access to THz Frequencies", in Proceedings of the IRMMW, Passadena / USA, September, 2008.
  • D. Schneiderbanger, C. Kneuer, M. Sterns, R. Rehner, S. Martius and L. Schmidt, "A 75 - 110 GHz Seventh-Harmonic Balanced Diode Mixer in a Novel Circuit Configuration", in Proceedings of the Proceedings of the 1st European Wireless Technology Conference, pp. 5-8, Amsterdam, 2008.
  • L. Schmidt, S. Methfessel, D. Schneiderbanger, R. Rehner, M. Sterns, A. Kilian and M. Nisznansky, "Substrattechnologien für planar integrierte Mikro- und Millimeterwellenschaltungen", in Proceedings of the Kooperationsforum Leiterplattentechnologie, Nürnberg, 22.01.2008, S. 95-124, 2008.
  • H. Brand, A. Dexl, J. Hagen, S. Kellnberger, S. Martius, L. Schmidt, J. Schür and J. Weinzierl, "STIREEM - A Novel Technique for High Resolution Microwave Imaging", in Proceedings of the Proceedings of the European Microwave Association, pp. 6-11, 2008.
  • H. Brand, S. Martius, L. Schmidt, J. Schür and J. Weinzierl, "STIREEM - A new High Resolution Microwave Imaging Principle", in Proceedings of the Proceedings of the German Microwave Conference, 2008.
  • M. Sterns, D. Schneiderbanger, R. Rehner, S. Martius and L. Schmidt, "Novel Tunable Hexaferrite Bandpass Filter Based on Rectangular Waveguide Coupled Shielded Coplanar Transmission Lines", in Proceedings of the IEEE MTT-S International Microwave Symposium June, pp. 1039-1042, Atlanta, GA, 2008.
  • B. Nicolae, M. Ruf, J. Schür, L. Schmidt and H. Hartnagel, "A Heterostructure Barrier Charge Swing device for Frequency Multiplication at 306 GHz", in Proceedings of the IEEE MTTS Atlanta June, pp. 1545-1548, Atlanta, GA, 2008.
  • A. Kilian, J. Weinzierl and L. Schmidt, "Permittivity Measurement Techniques at 24 GHz for Automative Polymer Composites Including Thin Films and Paint Foils", in Proceedings of the Proceedings of the German Microwave Conference, pp. 236-239, 2008.
  • F. Gumbmann, H. Tran, J. Weinzierl and L. Schmidt, "Optimization of a fast scanning millimetre-wave short range SAR imaging system", in Proceedings of the European Microwave Conference October, Oktober, 2007.
  • J. Schür, M. Ruf and L. Schmidt, "Design of a 4th Harmonic Schottky Diode Mixer for THz Frequencies", in Proceedings of the {32th }International Conference on Infrared and Millimeter Waves, pp. 756-757, Cardiff, 2007.
  • M. Fuchs, A. Kilian, Z. Brocka, E. Schmachtenberg and L. Schmidt, "Outer Body Skin with an Integrated Antenna", Kunststoffe International, pp. 26-30, 2007.
  • J. Weinzierl and L. Schmidt, "A fast scanning W-band system for advanced millimetre-wave short range imaging applications", in Proceedings of the 3rd European Radar Conference, EuRAD 2006, pp. 146-149, Manchester, 2007.
  • D. Schneiderbanger, A. Cichy, R. Rehner, S. Martius, M. Sterns and L. Schmidt, "A Hybrid Broadband Millimeter-Wave Diode Ring Mixer with Advanced IF Extraction Technique", in Proceedings of the Proceedings of the 37th European Microwave Conference, pp. 656-659, Munich, 2007.
  • R. Rehner, D. Schneiderbanger, M. Sterns, S. Martius and L. Schmidt, "Novel Coupled Microstrip Wideband Filters with Spurious Response Suppression", in Proceedings of the European Microwave Conference 9-12. Oct., pp. 858-861, Munich, 2007.
  • F. Gumbmann, J. Weinzierl, H. Tran and L. Schmidt, "3D Millimeterwellen-Abbildung von dielektrischen Probek?rpern und numerische Rekonstruktion der Materialeigenschaften", in Proceedings of the DGZfP-Jahrestagung Mai, 2007.
  • R. Rehner, D. Schneiderbanger, M. Sterns, S. Martius and L. Schmidt, "A Novel DGS-Marchand balun from 40 to 80 GHz with IF-tap for mixer design", in Proceedings of the IEEE MTT-S International Microwave Symposium July, 2007.
  • M. Fuchs, A. Kilian, Z. Brocka, E. Schmachtenberg and L. Schmidt, "Karosserieaussenhaut mit integrierter Antenne", Kunststoffe, no. 11, pp. 56-63, 2007.
  • H. Tran, F. Gumbmann, J. Weinzierl and L. Schmidt, "Spatial Resulution of Millimeter Wave Imaging at 75 - 100 GHz and 600 GHz", in Proceedings of the German Microwave Conference, Karlsruhe, March, 2006.
  • H. Tran, F. Gumbmann, J. Weinzierl and L. Schmidt, "A Fast Scanning W-Band System for Advanced Millimetre-Wave Short Range Imaging Applications", IEEE National Radar Conference - Proceedings, 2006.
  • F. Gumbmann, H. Tran, J. Weinzierl and L. Schmidt, "Advanced Broadband Millimetre-Wave Characterization Techniques of Dielectrics", in Proceedings of the 9th European Conference on Nondestructive Testing, Berlin, September, 2006.
  • S. Biber, M. Bozzi, O. Günther, L. Perregrini and L. Schmidt, "Design and Testing of Frequency-Selective Surfaces on Silicon Substrates for Submillimeter-Wave Applications", IEEE Transactions on Antennas and Propagation, vol. 54, no. 9, pp. 2638-2645, 2006.
  • D. Schneiderbanger, A. Cichy, R. Rehner, S. Martius, M. Sterns and L. Schmidt, "An Octave-Bandwidth Double-Balanced Millimeter-Wave Mixer", in Proceedings of the Proceedings of the 36th European Microwave Conference, Manchester, U.K., 2006.
  • A. Hofmann, M. Manglberger, S. Biber, J. Weinzierl, L. Schmidt and H. Brand, "Dielectric Rod Waveguide Couplers as Harmonic Filters for Millimeter and Sub-Millimeter Wave Frequencies", in Proceedings of the GeMiC 2006, Karlsruhe, April, 2006.
  • L. Schmidt, G. Schaller and S. Martius, "Grundlagen der Elektrotechnik 3 - Netzwerke, Foundations of Electrical Engineering 3 - Network Theory", 2006.
  • J. Schür, S. Biber, O. Cojocari, L. Schmidt and H. Hartnagel, "Comparative Noise Characterization and Conversion Loss Measurements of Schottky Diode Mixers at 600 GHz", in Proceedings of the 30th Workshop on Compound Semiconductor Devices and Integrated Circuits, 2006.
  • J. Richter, D. Nötel, F. Klöppel, J. Huck, H. Essen and L. Schmidt, "A Multi-Channel Radiometer with Focal Plane Array Antenna for W-Band Passive Millimeterwave Imaging", in Proceedings of the IEEE, IMS 2006, Juni, pp. 1592-1595, San Francisco, CA, 2006.
  • S. Biber, J. Schür and L. Schmidt, "Application of Silicon Micromachining Techniques for the Manufacturing of New Passive THz-Components", in Proceedings of the German Microwave Conference, Karlsruhe, March, 2006.
  • J. Richter, S. Biber, L. Schmidt and J. Simon, "Experimental Phase Center Determination of Millimeterwave Antennas using Scaled Models at X-Band Frequencies", in Proceedings of the AMTA Europe Symposium Munich, May, 2006.
  • S. Biber, A. Murk, T. Tils, P. Pütz, L. Schmidt and N. Kämpfer, "Characterization of Micromachined Waveguide Hybrids at 350 and 650 GHz", in Proceedings of the 17th International Symposium on Space THz Technology - ISSTT 2006, Paris, May, pp. 202-205, Paris, 2006.
  • S. Biber, J. Schür, O. Cojocari, H. Hartnagel and L. Schmidt, "Silicon-Micromachining and Electrical Characterization of a 600 GHz Schottky-Diode Mixer with Integrated Octagonal Horn Antenna", in Proceedings of the 4th ESA Workshop on Millimetre Wave Technology and Applications, Helsinki, Finnland, February, 2006.
  • R. Rehner, C. Reck, D. Schneiderbanger, M. Sterns, S. Martius and L. Schmidt, "A Contiguos Ultra-Broadband Planar Diplexer from DC-67 GHz", in Proceedings of the International Workshop on Microwave Filters, CNES, Toulouse, France, 16-18 October, 2006.
  • R. Schulz, M. Collischon, H. Brand and L. Schmidt, "Lineselective CO 2 -lasers with variable line-spacing and variable reflectivity silicon gratings", in Proceedings of the XV International Symposium on Gas Flow and Chemical Lasers, Prag, September, März, 2005.
  • M. Nisznansky, C. Ziegler, S. Martius and L. Schmidt, "Interconnects and Chip Modules for Broadband Digital Systems with Bitrates up to 80 GB/S", in Proceedings of the 13th Conference on Microwave Techniques, Prague, September 26-28, pp. 84-90, 2005.
  • J. Richter, R. Rehner and L. Schmidt, "A Broadband Low Cost Millimeterwave Slotline Detector on Low Permittivity Substrate", in Proceedings of the Proceedings of the European Microwave Conference , Paris, Oct., pp. 1169-1172, Paris, 2005.
  • J. Schür, S. Biber, O. Cojocari, C. Sydlo, L. Schmidt and H. Hartnagel, "600 GHz Waveguide Mixer fabricated by combined conventional and Silicon Micromachining", in Proceedings of the Proceedings of the European Microwave Association, pp. 250-256, 2005.
  • O. Cojocari, C. Sydlo, H. Hartnagel, S. Biber, J. Schür and L. Schmidt, "Schottky-Structures for THz-Applications based on Quasi-Vertical Design-Concept", in Proceedings of the 16th International Symposium on space Terahertz Technology ISSTT 2005, Göteborg, Sweden, May, 2005.
  • J. Schür, S. Biber, O. Cojocari, B. Mottet, L. Schmidt and H. Hartnagel, "600 GHz Heterodyne Mixer in Waveguide Technology using a GaAs Schottky Diode", in Proceedings of the 16th International Symposium on Space Terahertz Technology ISSTT, 2005.
  • J. Schür, S. Biber, O. Cojocari, L. Schmidt and H. Hartnagel, "600 GHz GaAs Schottky Diode Mixer in Split-block Technology", in Proceedings of the {30th }International Conference on Infrared and Millimeter Waves, pp. 469-470, Williamsburg, VA, 2005.
  • S. Biber, O. Günther, M. Bozzi, L. Perregrini, B. Fischer, A. Hofmann, P. Jepsen, H. Helmer and L. Schmidt, "A Frequency Selective Surface for Harmonic Suppression in THz-Multipliers", in Proceedings of the German Microwave Conference, Ulm, Germany, April, 2005.
  • S. Biber, M. Bozzi, O. Günther, L. Perregrini and L. Schmidt, "A Quasioptical Bandpass Filter for 300 GHz on an Electrically thick Silicon Substrate", in Proceedings of the International Microwave Symposium IMS, Long Beach, USA, June, 2005.
  • O. Cojocari, S. Biber, B. Mottet, M. Rodriguez-Girones, H. Hartnagel and L. Schmidt, "DC- and IF-noise performance optimization of GaAs Schottky diodes for THz applications", Semiconductor Science and Technology, vol. 20, no. S. 23-32, 2005.
  • A. Hofmann, G. Seibert, M. Manglberger, A. Kalb, S. Göbel, S. Yao, J. Weinzierl, L. Schmidt and H. Brand, "A Modular Vector Field Measurement System at 150 GHz, 300 GHz and 450 GHz", in Proceedings of the Proceedings of GeMiC, April, pp. 45-48, 2005.
  • S. Biber, M. Bozzi, O. Günther, L. Perregrini and L. Schmidt, "Low-Loss Frequency Selective Surfaces on Silicon Substrates for Sub-millimeter Wave Applications", in Proceedings of the Symposium on Antennas and Propagation, Washington DC, July, pp. 384-387, Washington, DC, 2005.
  • S. Biber, M. Bozzi, L. Perregrini and L. Schmidt, "Design and Measurements of Frequency Selective Surfaces on Silicon Substrates for Sub-mm Wave Applications", in Proceedings of the ACES Conference of the Applied Computational Electromagnetic Society, Florida, USA, 2005.
  • S. Biber, M. Bozzi, O. Günther, L. Perregrini and L. Schmidt, "Design and Testing of Frequency Selective Surfaces on Thick Silicon Substrate Operating at 600 GHz", in Proceedings of the European Microwave Week, Paris, France, September, pp. 593-596, Paris, 2005.
  • R. Engelbrecht, R. Schulz, G. Seibert, J. Hagen and L. Schmidt, "Gas Discharge Impedance and Transmission Line Voltages in a RF Excited CO₂ Slab Laser", in Proceedings of the Frequenz, pp. 154-157, 2005.
  • J. Richter, A. Simon and L. Schmidt, "Experimental Characterization of a Wide Angle Lens for Millimeter-WaveImaging, Washington, DC, USA, July", in Proceedings of the APS-Symposium, Washington, DC, USA, July, 2005.
  • J. Richter and L. Schmidt, "Dielectric Rod Antennas as Optimized Feed Elements for Focal Plane Arrays, Washington", in Proceedings of the Proceedings of the IEEE International Antennas and Propagation Symposium 2005, Washington, D.C.,July, pp. 667-670, 2005.
  • S. Biber, D. Schneiderbanger and L. Schmidt, "Design of a Controllable Attenuator with High Dynamic Range for THz-Frequencies based on Optically Stimulated Free Carriers in High-Resistivity Silicon", in Proceedings of the Frequenz, June, pp. 141-144, 2005.
  • A. Hofmann, A. Kalb, M. Manglberger, J. Weinzierl and L. Schmidt, "Design and Experimental Verification of Correction Algorithms for Improving the Measurement Accuracy of a Broadband Vector IF Receiver at 160 MHz", in Proceedings of the Frequenz, Mai / Juni, pp. 108-111, 2005.
  • J. Richter, A. Simon and L. Schmidt, "Experimental Characterization of a Wide Angle Lens for Millimeter-Wave Imaging", in Proceedings of the Proc. of the IEEE International Antennas and Propagation Symposium, Washington D.C., July, pp. 634-637, Washington, DC, 2005.
  • J. Richter, J. Garbas and L. Schmidt, "Mean and Differential Phase Centers of Rectangular Dielectric RodAntennas", Oktober, 2004.
  • S. Biber, A. Hofmann, R. Schulz, M. Collischon, J. Weinzierl and L. Schmidt, "Design and Measurement of a Bandpass Filter at 300 GHz Based on a Highly Efficient Binary Grating", IEEE Transactions on Microwave Theory and Techniques, vol. 52, no. 9, pp. 2183-2189, September, 2004.
  • S. Biber, O. Cojocari, G. Rehm, B. Mottet, M. Rodriguez-Girones, L. Schmidt and H. Hartnagel, "A Novel System for Systematic Microwave Noise and DC Characterization of Terahertz Schottky Diodes", IEEE Transactions on Instrumentation and Measurement, vol. 53, no. 2, pp. 581-587, 2004.
  • J. Weinzierl, L. Schmidt and E. Hörster, "End face coupling as detachable connection of dielectric waveguides at 75 GHz and 300 GHz", in Proceedings of the Conference Digest of the 2004 Joint 29th International Conference on Infrared and Millimeter Waves and 12th International Conference on Terahertz Electronics, pp. 763-764, Karlsruhe, 2004.
  • O. Cojocari, S. Biber, B. Mottet, C. Sydlo, H. Hartnagel and L. Schmidt, "IF-noise improvement of the GaAs Schottky diodes for THz-frequency mixer applications", in Proceedings of the European Microwave Week 2003, pp. 211-214, Amsterdam, 2004.
  • J. Richter, m. Müller and L. Schmidt, "Measurement of Phase Centers of Rectangular Dielectric Rod Antennas", in Proceedings of the IEEE International Antennas and Propagation Symposium, Monterey, California, pp. 743-746, Monterey, CA, 2004.
  • J. Richter, J. Garbas and L. Schmidt, "Mean and Differential Phase Centers of Rectangular Dielectric Rod Antennas", In Proceedings of the European Microwave Conference, vol. 3/3, pp. 1193-1196, 2004.
  • J. Schür, S. Biber, F. Gumbmann, B. Mottet, O. Cojocari, L. Schmidt and H. Hartnagel, "Micromachined Split-block Schottky-Diode Mixer for 600 GHz", in Proceedings of the {29th }International Conference on Infrared and Millimeter Waves, pp. 325-326, Karlsruhe, 2004.
  • A. Stiegelschmitt, A. Roosen, C. Ziegler, S. Martius and L. Schmidt, "Dielectric Data of Ceramic Substrates at High Frequencies", Journal of the European Ceramic Society, no. 24, pp. 1463-1466, 2004.
  • O. Cojocari, S. Biber, B. Mottet, H. Hartnagel and L. Schmidt, "GaAs Schottky diode fabrication for THz-frequency mixer applications", in Proceedings of the Proc. the 28th Workshop on Compound Semiconductor Device and Integrated Circuits held in Europe, Smolenice Castle, Slovakia, 17-19 May, pp. 121-122, 2004.
  • O. Cojocari, B. Mottet, M. Rodriguez-Girones, S. Biber, L. Marchand, L. Schmidt and H. Hartnagel, "A new Structural Approach for Uniform Sub-Micrometer Anode Metallization of Planar THz Schottky Components", Semiconductor Science and Technology, vol. 19, no. 3, pp. 537-542, 2004.
  • S. Biber, J. Schür, A. Hofmann and L. Schmidt, "Design of New Passive THz Devices based on Micromachining Techniques", in Proceedings of the Proc. of Kharkov Symposium on Physics and Engineering of Microwaves, Millimeter and Submillimeter Waves, Kharkov, Ukraine, June, pp. 26-31, Kharkov, 2004.
  • S. Biber, D. Schneiderbanger and L. Schmidt, "Low Loss Silicon Window Material for Submillimeter Waves Using Micromachined Artificial Dielectrics for Anti-Reflection Coating", in Proceedings of the {29th } International Conference on Infrared and Millimeter Waves {, September}, pp. 105-106, Karlsruhe, 2004.
  • R. Schulz, M. Collischon, H. Brand and L. Schmidt, "Lineselective CO$_2$-Lasers with Variable Line-Spacing and Variable Reflectivity Silicon Gratings", in Proceedings of the XV International Symposium on Gas Flow and Chemical Lasers, Prag, September, 2004.
  • S. Biber, J. Schür and L. Schmidt, "Technological Issues for Micromachining of New Passive THz-Components Based on Deep-Trench Silicon Etching", in Proceedings of the {29th } International Conference on Infrared and Millimeter Waves, pp. 145-146, Karlsruhe, Germany, 2004.
  • J. Richter, Y. Yazici, C. Ziegler and L. Schmidt, "A Broadband Transition between Dielectric and Planar Waveguides at Millimeterwave Frequencies", in Proceedings of the Proceedings of the 33rd European Microwave Conference, pp. 947-950, Munich, 2003.
  • S. Biber, R. Schulz, M. Beyer and L. Schmidt, "A Comprehensive Experimental Characterization of a Far Infrared Ring Laser", International Journal of Infrared and Millimeter Waves, vol. 24, no. 12, pp. 2051-2058, 2003.
  • R. Engelbrecht, F. Kuntz, J. Euring, M. Krause, S. Neumann and L. Schmidt, "A Compact Fiber-Optic CO and CO$_2$ Spectrometer: Analysis of Noise, Sensitivity and Lineshapes", in Proceedings of the 4th Int. Conference on Tunable Diode Laser Spectroscopy TDLS 2003, Zermatt, CH, 14.- 18.Juli, 2003.
  • C. Ziegler, M. Nisznansky, L. Schmidt, R. Hocke and O. Wohlgemuth, "Four-port on Wafer Measurement of Coupled Transmission Lines on LTCC", in Proceedings of the Proceedings of IMAPS Conference and Exhibition on Ceramic Interconnect Technology, pp. 107-112, Denver, Colorado, USA, 2003.
  • S. Biber, O. Cojocari, B. Mottet, G. Rehm and L. Schmidt, "Systematic Quality Assessment of Schottky Diodes for THz-Applications", in Proceedings of the 3rd ESA Workshop on Millimetre Wave Technology and Applications, pp. 237-242, Espoo, Finland, 2003.
  • M. Nisznansky, C. Ziegler, J. Schür, L. Schmidt, R. Hocke and O. Wohlgemuth, "Parasitic Effects in Broadband Chip Modules Based on Multilayer LTCC Technology", in Proceedings of the 33rd European Microwave Conference, Munich, Germany, 2003.
  • R. Schulz, J. Hagen and L. Schmidt, "Lineselective CO$_2$ Lasers with Anisotropic Etched Silicon Gratings", in Proceedings of the Conference on Lasers and Electrooptics 23.-27. 06.2003, München, 2003.
  • A. Hofmann, E. Hörster, J. Weinzierl, L. Schmidt and H. Brand, "Flexible low-loss dielectric waveguides for THz frequencies with transitions to metal waveguides", in Proceedings of the 33rd European Microwave Conference, EuMC 2003, pp. 955-958, Munich, 2003.
  • S. Biber, S. Martius and L. Schmidt, "Design of Artificial Dielectrics for Anti-Reflection-Coatings", in Proceedings of the Proceedings of the 33rd European Microwave Conference, pp. 1115-1118, Munich, 2003.
  • R. Engelbrecht, M. Bayer and L. Schmidt, "Numerical Calculation of Stimulated Brillouin Scattering and its Suppression in Raman Fiber Amplifiers", in Proceedings of the 16th Int. Conference on Lasers and Electrooptics, CLEO Europe, München, 23.- 27.Juni, pp. 641-, Munich, 2003.
  • O. Cojocari, S. Biber, B. Mottet, M. Rodriguez-Girones, L. Schmidt and H. Hartnagel, "Whisker-Device-Based Optimisation of Fabrication Process for Planar THz Schottky Diodes", in Proceedings of the 3rd ESA Workshop on Millimetre Wave Technology and Applications, pp. 255-260, Espoo, Finland, 2003.
  • S. Biber, D. Schneiderbanger, R. Schulz and L. Schmidt, "Cavity Damping of a 2.5 THz Resonator System Using Electro-Optically Stimulated Silicon", in Proceedings of the Proceedings of the 28th Int. Conference on Infrared and Milimeter Waves, Otsu, Japan, 2003.
  • M. Nisznansky, C. Ziegler, L. Schmidt, R. Hocke and O. Wohlgemuth, "Broadband Electrical Design and Modelling of Packages Integrated in LTCC-Substrate", in Proceedings of the Proceedings of IMAPS Conference and Exhibition on Ceramic Interconnect Technology, pp. 47-52, Denver, Colorado, USA, 2003.
  • L. Schmidt, S. Biber, G. Rehm and K. Huber, "THz Measurement Technologies and Applications", in Proceedings of the XIV International Conference on Microwaves, Radar and Wireless Communications, 2002.
  • K. Huber, S. Biber, G. Rehm, R. Schulz, H. Brand and L. Schmidt, "Radiometer Design for Short Range Imaging at 2.5 THz", in Proceedings of the Proceedings of the Open Symposium on Propagation and Remote Sensing, 2002.
  • S. Biber, O. Koca, K. Huber, G. Rehm and L. Schmidt, "A Compact System for Systematic Noise Measurement of Schottky Diodes for THz Applications", in Proceedings of the Conference Proceedings of the European Microwave Week, Mailand, 2002.
  • C. Ziegler, S. Martius, B. Schmauß, L. Schmidt, R. Hocke and O. Wohlgemuth, "Multiport Network Analysis at High Frequencies", in Proceedings of the 6th IEEE Workshop , Signal Propagation on Interconnects, pp. 97-90, Castelvecchio Pascoli - Pisa, Italy, 2002.
  • M. Nisznansky, C. Ziegler, S. Martius, L. Schmidt and J. Müller, "Simulation and Measurement of Interconnect Structures for High Speed Digital Systems", in Proceedings of the Signal Propagation on Interconnects, pp. 161-163, Pisa, 2002.
  • J. Weinzierl, H. Brand and L. Schmidt, "Vector Field Measurements at 150 GHz", in Proceedings of the Proceedings of the 11th Conference and Exhibition on Microwaves, Radio Communication and Electromagnetic Compatibility MIOP 2001, 2001.
  • G. Rehm and L. Schmidt, "Transmissionsmessung nach Betrag und Phase mit einem homodynen Empfänger im Sub-Millimeterwellen-Bereich", Frequenz, vol. 55, no. 11-12, pp. 283-286, 2001.
  • G. Rehm, J. Depser and L. Schmidt, "Homodyne Phase Sensitive Sub-millimetre Wave Transmission Measurements", in Proceedings of the Proceedings of the 31st European Microwave Conference, pp. 363-366, 2001.
  • J. Richter, A. Hofmann and L. Schmidt, "Dielectric Wide Angle Lenses for Millimeter-Wave Focal Plane Imaging", in Proceedings of the Proceedings of the 31st European Microwave Conference, pp. 347-350, London, 2001.
  • R. Engelbrecht, J. Euring, F. Kuntz and L. Schmidt, "A Fibre-Optic Laser Spectrometer for Sensitive Simultaneous Measurement of CO$_2$ and CO Gas Concentrations", in Proceedings of the Proceedings, Sensor 2001 (10th Int. Conf. Sensor 2001, Nürnberg 2001), pp. 195-198, 2001.
  • R. Engelbrecht, H. Brand and L. Schmidt, "Sensitive Simultaneous Detection of CO and CO$_2$ with Commercial DFB Diode Lasers for Optical Communication Systems", 2000.
  • K. Huber, H. Brand and L. Schmidt, "A Broadband Low Noise Heterodyne Receiver at 2.5 THz", in Proceedings of the Proceedings of the 8th International Conference on Terahertz Electronics, pp. 109-112, 2000.
  • R. Engelbrecht, H. Brand and L. Schmidt, "Sensitive Simultaneous Detection of CO and CO$_2$ with Commercial DFB Diode Lasers", in Proceedings of the Proceedings, IRS2 (6. Conf. On Infrared Sensors and Systems, Erfurt 2000), pp. 117-122, 2000.
  • J. Weinzierl, R. Schulz, H. Brand and L. Schmidt, "A Vector Field Measurement System for 150 GHz", in Proceedings of the {25th }International Conference on Infrared and Millimeter Waves, pp. 353-354, 2000.
  • K. Huber, R. Engelbrecht, R. Hocke, M. Raum, H. Brand, S. Martius and L. Schmidt, "A broadband, low noise heterodyne receiver for stratospheric measurements at 2.5 THz", 1999.
  • K. Huber, R. Engelbrecht, R. Hocke, M. Raum, H. Brand, S. Martius and L. Schmidt, "A Broadband, Low Noise Heterodyne Receiver for Stratospheric Measurements at 2.5 THz", in Proceedings of the Proceedings of IGARSS 99, 1999.
  • L. Schmidt, "Commercial applications of mm-waves (invited paper)", in Proceedings of the ESA Workshop on Millimeter Wave Technology and Applications, Noordwijk, Dezember, 1995.
  • H. Dämbkes, B. Adelseck, L. Schmidt and J. Schroth, "GaAs MMIC based components and frontends for millimeterwave communication and sensor systems", in Proceedings of the Microwave Systems Conference, Orlando, Mai, 1995.
  • L. Schmidt, B. Adelseck and U. Guettich, "Millimeter wave frontend concepts and MMICs for automotive and communicationapplications", in Proceedings of the MTT-Symposium, Workshop „Wireless Applications“, San Diego, Mai, 1994.
  • L. Schmidt, "Possible large market applications of microwaves: Market aspectsand technological approaches (invited talk)", in Proceedings of the European Microwave Conference, Cannes, 1994.
  • U. Güttich, J. Dieudonne and L. Schmidt, "A monolithically stabilized voltage controlled oscillator for the millimeter wave range", pp. 667--670, 1993.
  • F. Kirsch, S. Banerjee, G. Zimmer, H. Feldle, P. Marten and L. Schmidt, "An X-band phased array microwave/photonic beamforming network", pp. 505--508, 1993.
  • B. Adelseck, L. Schmidt, J. Dieudonne, U. Guettich, A. Klaassen and A. Coloquhoun, "Frontend MMICs for millimeter wave frequencies up to 100 GHz", in Proceedings of the Military Microwave Conference, Brighton, 1992.
  • A. Coloquhoun and L. Schmidt, "MMICs for automotive and traffic applications", in Proceedings of the GaAs IC Symp, Miami, 1992.
  • H. Dämbkes and L. Schmidt, "MMIC technology in Europe for millimeter-wave applications (invitedpaper)", in Proceedings of the GaAs92 - European GaAs Application Symposium, Noordwijk, 1992.
  • L. Schmidt, "Zur Problematik von MMIC-Schaltungsentwuerfen mit Mikrowellen-CAD-Programmenim Frequenzbereich bis 100 GHz", in Proceedings of the URSI-Workshop „Felder und Wellen“, Polling, 1992.
  • B. Huder, L. Schmidt, B. Adelseck, H. Feldle and H. Dämpkes, "Recent developments and concepts leading to advanced microwave andmm-wave phased array antennas", in Proceedings of the International MMIC-Workshop ESA/ESTEC, Noordwijk, 1991.
  • H. Feldle, L. Schmidt, P. Narozny, A. Coloquhoun, C. Werres and J. Splettstoesser, "ICs fuer den Mikrowellenbereich; GaAs-Bausteine fuer vielfältige Anwendungen", Elektronik, 1991.
  • B. Huder and L. Schmidt, "Multi-mode dual polarization 94 GHz monopulse antenna", in Proceedings of the AGARD No. 482 Advances on Components for Active and Passive Airborne
    Sensors, Bath, 1990.
  • L. Schmidt, B. Adelsecl, A. Colquhoun and H. Dämbkes, "Millimeter-wave monolithic integrated receiver circuits", in Proceedings of the AGARD No. 482 Advances on Components for Active and Passive Airborne
    Sensors, Bath, 1990.
  • L. Schmidt, R. Jester and G. Kadisch, "FM-ICW monopulse radar sensor", in Proceedings of the Military Microwave Conference, London, 1990.
  • L. Schmidt, "Unzoned and zoned dielectric lenses for a wide angle scanning antennna", in Proceedings of the MIOP `88, Wiesbaden, 1988.
  • H. Callsen and L. Schmidt, "Fin-line PIN-diode switches for mm-waves with extremely high isolationand short switching time", in Proceedings of the ibid, 1987.
  • L. Schmidt and W. Menzel, "Planar integrated harmonic mixers for use up to 150 GHz", in Proceedings of the MIOP `87, Wiesbaden, 1987.
  • L. Schmidt, W. Menzel, B. Adelseck and U. Guettich, "Millimeter-Wave Monolithic Integrated Circuits", in Proceedings of the International MMIC-Workshop ESA/ESTEC, Noordwijk, Oktober, 1986.
  • L. Schmidt and B. Adelseck, "Taschenbuchs der HF-Technik (Meinke-Gundlach)", In Taschenbuchs der HF-Technik (Meinke-Gundlach), 1986.
  • L. Schmidt, "Zur Berechnung von transversalen Diskontinuitäten in quasiplanarenMillimeterwellenleitern", in Proceedings of the Kleinheubacher Berichte 28, Kleinheubacher Tagung 1984 des U.R.S.I.
    Landesausschusses Deutschland, 1984.
  • W. Menzel, H. Meinel, B. Rembold and L. Schmidt, "Planar integrated components perform up to 110 GHz", Microwaves, 1982.
  • L. Schmidt and H. Meinel, "Broadband millimetre-wave PIN-diode attenuator with double-ridge waveguide flanges", Electronics Letters, vol. 18, no. 19, pp. 839, 1982.
  • H. Callsen and L. Schmidt, "Quasiplanar 3 dB hybrid for millimetre-wave integrated circuits", Electronics Letters, vol. 18, no. 4, pp. 161, 1982.
  • L. Schmidt, "A Comprehensive Analysis of Quasiplanar Waveguides for Millimeter-Wave Application", in Proceedings of the European Microwave Conference, Amsterdam, Oktober, 1981.
  • L. Schmidt and T. Itoh, "Characteristics of a generalized fin-line for millimeter wave integrated circuits", International Journal of Infrared and Millimeter Waves, vol. 2, no. 3, pp. 427-436, Mai, 1981.
  • L. Schmidt and W. Menzel, "Berechnung der Leitungsparameter quasiplanarer Wellenleiter fuer integrierteMillimeterwellen-Schaltungen", Wissenschaftliche Berichte AEG Telefunken, 1981.
  • H. Callsen, L. Schmidt and K. Solbach, "Breitbandige Finleitungs-Richtkoppler", Wissenschaftliche Berichte AEG Telefunken, 1981.
  • L. Schmidt, "Rigorous Computation of the Frequency Dependant Properties of Filters and Coupled Resonators Composed from Transverse Microstrip Discontinuities", in Proceedings of the European Microwave Conference, Warschau, Oktober, 1980.
  • H. Meinel and L. Schmidt, "High sensitivity millimeter-wave detectors using fin-line technology", in Proceedings of the IR and mm-Waves, Wuerzburg, 1980.
  • L. Schmidt, T. Itoh and H. Hofmann, "Characteristics of Unilateral Fin-Line Structures with Arbitrarily Located Slots", in Proceedings of the MTT-Symposium and IEEE Trans. MTT-29, Washington, 1980.
  • L. Schmidt and T. Itoh, "Spectral Domain Analysis of Dominant and Higher Order Modes in Fin-Lines", IEEE Transactions on Microwave Theory and Techniques, 1980.
  • L. Schmidt and H. Hofmann, "Ein Verfahren zur Ermittlung komplexer Dielektrizitätskonstantenduenner Folien im Millimeterwellenbereich", Aeu-International Journal of Electronics and Communications, 1979.