Dr.-Ing. Kevin Kolpatzeck
Anschrift: Raum: BA 250
Universität Duisburg-Essen Telefon: +49 203 37 94398
Nachrichtentechnische Systeme Fax: +49 203 37 92902
Bismarckstrasse 81 E-Mail: kevin.kolpatzeck@uni-due.de
47057 Duisburg
Forschungsthemen:
Terahertz-Zeitbereichsspektroskopie mit ultrahoher Wiederholrate
Optoelektronisches Millimeterwellen- und Terahertz-Radar
Harmonisches Radar
Objektdetektion, Distanzmessung und berührungslose Materialprüfung mit Terahertz-Systemen
Signalverarbeitung für die Terahertz-Zeitbereichsspektroskopie
Strahlformung im Terahertz-Frequenzbereich
Publikationen
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A 300 GHz Optoelectronic Binary Phase-Modulated Maximum Length Sequence RadarIn: Proceedings of the 49th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2024 / 49th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2024; 01-06 September 2024; Perth, Australia / Institute of Electrical and Electronics Engineers (IEEE) (Hrsg.) 2024Online Volltext: dx.doi.org/
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Performance Analysis of a Reconfigurable Terahertz Reflectarray for Broadband ApplicationsIn: Proceedings of the 49th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2024 / 49th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2024; 01-06 September 2024; Perth, Australia / Institute of Electrical and Electronics Engineers (IEEE) (Hrsg.) 2024Online Volltext: dx.doi.org/
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Analysis of Non-Linear Distortions in an Optoelectronic Terahertz Communication SystemIn: Proceedings of the 49th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2024 / 49th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2024; 01-06 September 2024; Perth, Australia / Institute of Electrical and Electronics Engineers (IEEE) (Hrsg.) 2024Online Volltext: dx.doi.org/
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A Highly Frequency-Selective 3D-Printed Dielectric Structure for the Terahertz RangeIn: Journal of Infrared, Millimeter, and Terahertz Waves Jg. 45 (2024) Nr. 3-4, S. 322 - 336Online Volltext: dx.doi.org/ (Open Access)
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Generalized Interferometric Delay Monitoring with Mode Locked Lasers for THz-TDSIn: Proceedings of the 49th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2024 / 49th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2024; 01-06 September 2024; Perth, Australia / Institute of Electrical and Electronics Engineers (IEEE) (Hrsg.) 2024Online Volltext: dx.doi.org/
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Comparative Study of True Time Delay Beam Steering with Antenna Arrays at THz FrequenciesIn: Proceedings of the 49th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2024 / 49th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2024; 01-06 September 2024; Perth, Australia / Institute of Electrical and Electronics Engineers (IEEE) (Hrsg.) 2024Online Volltext: dx.doi.org/
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Linewidth estimation of optical sources used for THz signal generationIn: Proceedings of the 49th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2024 / 49th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2024; 01-06 September 2024; Perth, Australia / Institute of Electrical and Electronics Engineers (IEEE) (Hrsg.) 2024Online Volltext: dx.doi.org/
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Optimizing a Method for the Extraction of Frequency-Dependent Material Parameters from Terahertz Spectroscopy Measurements using the Kramers-Kronig RelationsIn: Proceedings of the 49th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2024 / 49th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2024; 01-06 September 2024; Perth, Australia / Institute of Electrical and Electronics Engineers (IEEE) (Hrsg.) 2024Online Volltext: dx.doi.org/
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Terahertz Measurements Through Water Enabled by a Compact and Cost-Efficient THz-TDS SystemIn: Proceedings of the 15th German Microwave Conference (GeMiC 2024) / 15th German Microwave Conference (GeMiC 2024): 11-13 March 2024; Duisburg, Germany / Institute of Electrical and Electronics Engineers (IEEE) (Hrsg.) 2024, S. 152 - 154Online Volltext: dx.doi.org/
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Terahertz Insights Into Fabric Look- ThroughIn: Proceedings of the 15th German Microwave Conference (GeMiC 2024) / 15th German Microwave Conference (GeMiC 2024): 11-13 March 2024; Duisburg, Germany / Institute of Electrical and Electronics Engineers (IEEE) (Hrsg.) 2024, S. 241 - 244Online Volltext: dx.doi.org/
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A Method for the Extraction of Frequency-Dependent Material Parameters of Multilayer Systems from Terahertz Spectroscopy MeasurementsIn: Proceedings of the IEEE INC-USNC-URSI Radio Science Meeting 2024 (Joint with AP-S Symposium) / IEEE INC-USNC-URSI Radio Science Meeting (Joint with AP-S Symposium): 14-19 July 2024; Florence, Italy 2024, S. 308 - 309Online Volltext: dx.doi.org/
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An Optoelectronic M-Sequence Radar for the Terahertz RangeIn: 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.) 2023Online Volltext: dx.doi.org/
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3D SAR Imaging enabled by Terahertz Time-Domain SpectroscopyIn: Proceedings 24th International Radar Symposium / 24th International Radar Symposium (IRS), 24-26 May 2023 Jg. 2023-May 2023Online Volltext: dx.doi.org/
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Laser diode based THz-TDS system with 133 dB peak signal-to-noise ratio at 100 GHzIn: Scientific Reports Jg. 13 (2023) Nr. 1, 13476Online Volltext: dx.doi.org/ Online Volltext (Open Access)
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Spectrally Efficient Optoelectronic Wireless Terahertz Communication SystemIn: 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.) 2023Online Volltext: dx.doi.org/
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Through-The-Wall Differential Distance Tracking With Ultra-High Repetition Rate Terahertz Time-Domain SpectroscopyIn: 2023 Sixth International Workshop on Mobile Terahertz Systems (IWMTS) / Sixth International Workshop on Mobile Terahertz Systems (IWMTS), 03-05 July 2023, Bonn, Germany 2023Online Volltext: dx.doi.org/
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3D THz-TDS SAR Imaging by an Inverse Synthetic Cylindrical ApertureIn: IEEE Access Jg. 11 (2023) S. 9680 - 9690Online Volltext: dx.doi.org/ (Open Access)
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Towards Continuous Real-Time Plant and Insect Monitoring by Miniaturized THz SystemsIn: IEEE Journal of Microwaves Jg. 3 (2023) Nr. 3, S. 913 - 937Online Volltext: dx.doi.org/ (Open Access)
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3D Printed Terahertz Filter as a Broadband Frequency ReferenceIn: International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz / 47th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz) 2022Online Volltext: dx.doi.org/
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Optimizing the Radiation Pattern of a MEMS-Based Reflectarray Using a Genetic Algorithm for Beam Steering ApplicationsIn: International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz / 47th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz), 28 August 2022 - 02 September 2022, Delft, Netherlands 2022Online Volltext: dx.doi.org/
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Measurement of the Maximum Detectable Range of a THz-TDS System Driven by a Mode-Locked Laser Diode with a Divergent BeamIn: International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz / 47th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz), 28 August 2022 - 02 September 2022, Delft, Netherlands 2022Online Volltext: dx.doi.org/
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Removal of Artifacts in THz Imaging with a Synthetic ApertureIn: International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz / 47th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz), 28 August 2022 - 02 September 2022, Delft, Netherlands 2022Online Volltext: dx.doi.org/
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Interferometric Correction of Delay Errors in an Ultra-High Repetition Rate Terahertz Time-Domain Spectroscopy SystemIn: International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz / 47th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz), 28 August 2022 - 02 September 2022, Delft, Netherlands 2022Online Volltext: dx.doi.org/
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The Identification of Spectral Signatures in Randomized (Sub-)Surface Material SystemsIn: 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 2022Online Volltext: dx.doi.org/
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Group velocity dispersion in high-performance BH InAs/InP QD and InGaAsP/InP QW two-section passively mode-locked lasersIn: Optics Express (OpEx) Jg. 30 (2022) Nr. 14, S. 24353 - 24361Online Volltext: dx.doi.org/ (Open Access)
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Terahertz Beam Steering Using a MEMS-Based Reflectarray Configured by a Genetic AlgorithmIn: IEEE Access Jg. 10 (2022) S. 84458 - 84472Online Volltext: dx.doi.org/ Online Volltext (Open Access)
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Spectral Shaping of a Superluminescent Diode for Terahertz Cross-Correlation SpectroscopyIn: Applied Sciences Jg. 12 (2022) Nr. 4, 1772Online Volltext: dx.doi.org/ Online Volltext (Open Access)
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Ultra-High Repetition Rate Terahertz Time-Domain SpectroscopyDuisburg, Essen (2022) xii, 140 SeitenOnline Volltext: dx.doi.org/ Online Volltext (Open Access)
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Compact and Inexpensive Terahertz System Driven by Monolithically Integrated Commercial Light SourcesIn: 2021 46th International Conference on Infrared, Millimeter, and Terahertz Waves: IRMMW-THz 2021 / 46th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) ; August 30 - September 3, 2021, Chengdu, China / Liu, Shenggang (Hrsg.) 2021Online Volltext: dx.doi.org/
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Configuration of a MEMS-based Terahertz Reflectarray Using a Genetic AlgorithmIn: 2021 46th International Conference on Infrared, Millimeter, and Terahertz Waves: IRMMW-THz 2021 / 46th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) ; August 30 - September 3, 2021, Chengdu, China / Liu, Shenggang (Hrsg.) 2021Online Volltext: dx.doi.org/
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Efficient frequency domain sampling schemes for THz SAR systemsIn: Proceedigs of the 4th International Workshop on Mobile Terahertz Systems / IWMTS 2021; 5-6 July 2021; Essen, Germany 2021 9486808Online Volltext: dx.doi.org/
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Interferometric Time Synchronization of a Terahertz Time-Domain Spectroscopy System Driven by a Mode-Locked Laser DiodeIn: 2021 46th International Conference on Infrared, Millimeter, and Terahertz Waves: IRMMW-THz 2021 / 46th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) ; August 30 - September 3, 2021, Chengdu, China / Liu, Shenggang (Hrsg.) 2021Online Volltext: dx.doi.org/
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Beam Steering for Terahertz Time-Domain Spectroscopy Using Optical Ring ResonatorsIn: 2021 46th International Conference on Infrared, Millimeter, and Terahertz Waves: IRMMW-THz 2021 / 46th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) ; August 30 - September 3, 2021, Chengdu, China / Liu, Shenggang (Hrsg.) 2021Online Volltext: dx.doi.org/
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Imaging with an Ultra-High Repetition Rate Terahertz Time-Domain Spectroscopy System Driven by a Mode-Locked Laser DiodeIn: 2021 46th International Conference on Infrared, Millimeter, and Terahertz Waves: IRMMW-THz 2021 / 46th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) ; August 30 - September 3, 2021, Chengdu, China / Liu, Shenggang (Hrsg.) 2021Online Volltext: dx.doi.org/
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Ultra-High Repetition Rate Terahertz Time-Domain Spectroscopy for Micrometer Layer Thickness MeasurementIn: Sensors Jg. 21 (2021) Nr. 16, 5389Online Volltext: dx.doi.org/ Online Volltext (Open Access)
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Design and Characterization of 3D Printed Polymer Terahertz Multi-Mode Interference CouplersIn: 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. 538 - 539Online Volltext: dx.doi.org/
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Enhancement of Terahertz Spectra by Model-Driven Spectral Shaping of a Mode-Locked Laser Diode in a Terahertz Time-Domain Spectroscopy SystemIn: 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. 84 - 85Online Volltext: dx.doi.org/
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Analytical Modeling of Terahertz Time-Domain Spectroscopy with Monolithic Mode-Locked Laser DiodesIn: 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. 811 - 812Online Volltext: dx.doi.org/
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High Resolution VNA THz Imaging for Large DistancesIn: 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. 619 - 620Online Volltext: dx.doi.org/
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Wideband beam steering concept for terahertz time-domain spectroscopy: Theoretical considerationsIn: Sensors Jg. 20 (2020) Nr. 19, S. 5568Online Volltext: dx.doi.org/ Online Volltext (Open Access)
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System-theoretical modeling of terahertz time-domain spectroscopy with ultra-high repetition rate mode-locked lasersIn: Optics Express (OpEx) Jg. 28 (2020) Nr. 11, S. 16935 - 16950Online Volltext: dx.doi.org/ (Open Access)
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High Performance BH InAs/InP QD and InGaAsP/InP QW Mode-Locked Lasers as Comb and Pulse SourcesIn: 2020 Optical Fiber Communications Conference and Exhibition (OFC): Proceedings / Optical Fiber Communications Conference and Exhibition : OFC 2020 ; 8 - 12 March 2020. San Diego, California, USA 2020, S. 9083067Online Volltext: dx.doi.org/
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Terahertz beam steering concept based on a MEMS-reconfigurable reflection gratingIn: Sensors Jg. 20 (2020) Nr. 10, S. 2874Online Volltext: dx.doi.org/ Online Volltext (Open Access)
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High Resolution Lensless Terahertz Imaging and RangingIn: IEEE Access Jg. 7 (2019) S. 147704 - 147712Online Volltext: dx.doi.org/ Online Volltext (Open Access)
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Characterization and Application of a Commercially Available Laser Diode in a THz SystemIn: 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. 118 - 120Online Volltext: dx.doi.org/
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Experimental Investigation of Terahertz Wave Scattering by Statistically Controlled Rough SurfacesIn: 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. 100 - 102Online Volltext: dx.doi.org/
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Microwave photonic mm-wave & THz beam steering for imaging, radar and communicationsIn: 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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A compact THz quasi TDS system for mobile scenariosIn: 2nd International Workshop on Mobile Terahertz Systems / IWMTS 2019; Bad Neuenahr; Germany; 1 - 3 July 2019 2019, S. 8823786Online Volltext: dx.doi.org/
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High resolution lensless THz imaging with an ultrafast TDS systemIn: International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz: Proceedings / 44th International Conference on Infrared, Millimeter, and Terahertz Waves IRMMW-THz 2019, 01.-06.09.2019, Paris 2019Online Volltext: dx.doi.org/
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Spectroscopic characterization of 3D printed THz rectangular polymer waveguidesIn: International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz: Proceedings / 44th International Conference on Infrared, Millimeter, and Terahertz Waves IRMMW-THz 2019, 01.-06.09.2019, Paris 2019Online Volltext: dx.doi.org/
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High resolution image processing technique for the detection of metal entrapments based on a terahertz cameraIn: International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz: Proceedings / 44th International Conference on Infrared, Millimeter, and Terahertz Waves IRMMW-THz 2019, 01.-06.09.2019, Paris 2019Online Volltext: dx.doi.org/
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Super-resolution restoration of low-resolution THz camera imagesIn: 2nd International Workshop on Mobile Terahertz Systems / IWMTS 2019; Bad Neuenahr; Germany; 1 - 3 July 2019 2019, S. 8823667Online Volltext: dx.doi.org/
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Wideband radiation pattern simulation and measurement of a photodiode-based continuous-wave THz emitterIn: International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz: Proceedings / 44th International Conference on Infrared, Millimeter, and Terahertz Waves IRMMW-THz 2019, 01.-06.09.2019, Paris 2019Online Volltext: dx.doi.org/
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Terahertz time-domain spectroscopy based on commercially available 1550 nm Fabry-Perot laser diode and ErAs : In(Al)GaAs photoconductorsIn: Applied Sciences Jg. 9 (2019) Nr. 13, S. 2704Online Volltext: dx.doi.org/ (Open Access)
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Wideband characterization of 3D printed THz rectangular dielectric waveguides by THz frequency-domain spectroscopyIn: 2nd International Workshop on Mobile Terahertz Systems / IWMTS 2019; Bad Neuenahr; Germany; 1 - 3 July 2019 2019, S. 8823720Online Volltext: dx.doi.org/
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Wideband radiation pattern measurement of terahertz antenna-integrated photodiodes by frequency-domain spectroscopyIn: 2nd International Workshop on Mobile Terahertz Systems / IWMTS 2019; Bad Neuenahr; Germany; 1 - 3 July 2019 2019, S. 8823782Online Volltext: dx.doi.org/
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Experimental Validation of a Phase Control Concept for Photonically Steered Terahertz Phased Array Transmitters at Microwave FrequenciesIn: 2018 1st International Workshop on Mobile Terahertz Systems, IWMTS 2018 / 1st International Workshop on Mobile Terahertz Systems, IWMTS 2018, Duisburg, Germany, 2 July 2018 through 4 July 2018 2018Online Volltext: dx.doi.org/
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Preprocessing for Robust Estimation of Material Parameters by Continuous Wave THz SpectroscopyIn: International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz / 43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), 9-14 Sept. 2018 2018Online Volltext: dx.doi.org/
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Photonic assisted beam steering for millimeter-wave and THz antennasIn: IEEE Conference on Antenna Measurements and Applications, CAMA 2018 / CAMA 2018; Vasteras; Sweden; 3 -6 September 2018 2018, S. 8530567Online Volltext: dx.doi.org/
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System-Theoretical Modeling and Analysis of Phase Control in a Photonically Steered Terahertz Phased Array TransmitterIn: 2018 1st International Workshop on Mobile Terahertz Systems, IWMTS 2018 / 1st International Workshop on Mobile Terahertz Systems, IWMTS 2018, Duisburg, Germany, 2 July 2018 through 4 July 2018 2018Online Volltext: dx.doi.org/
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Phase control in photonically steered phased array transmitters by optical homodyne detectionIn: Proceedings of the European Microwave Conference / European Microwave Conference, 4. - 6. Oct. 2016, London, UK 2016, S. 1095 - 1098Online Volltext: dx.doi.org/
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Power budget analysis and optimization of photonic beamforming concepts for terahertz transmittersIn: 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. 7 - 10Online Volltext: dx.doi.org/