关注
Robert B. Kohlhaas
Robert B. Kohlhaas
Head of Terahertz Sensors and Systems, Fraunhofer HHI
在 hhi.fraunhofer.de 的电子邮件经过验证
标题
引用次数
引用次数
年份
Optoelectronic frequency-modulated continuous-wave terahertz spectroscopy with 4 THz bandwidth
L Liebermeister, S Nellen, RB Kohlhaas, S Lauck, M Deumer, S Breuer, ...
Nature Communications 12 (1), 1071, 2021
1072021
Iron doped InGaAs: Competitive THz emitters and detectors fabricated from the same photoconductor
B Globisch, RJB Dietz, RB Kohlhaas, T Göbel, M Schell, D Alcer, ...
Journal of Applied Physics 121 (5), 2017
1072017
637 μW emitted terahertz power from photoconductive antennas based on rhodium doped InGaAs
RB Kohlhaas, S Breuer, L Liebermeister, S Nellen, M Deumer, M Schell, ...
Applied Physics Letters 117 (13), 2020
812020
Experimental comparison of UTC-and PIN-photodiodes for continuous-wave terahertz generation
S Nellen, T Ishibashi, A Deninger, RB Kohlhaas, L Liebermeister, ...
Journal of Infrared, Millimeter, and Terahertz Waves 41, 343-354, 2020
812020
Photoconductive terahertz detectors with 105 dB peak dynamic range made of rhodium doped InGaAs
RB Kohlhaas, S Breuer, S Nellen, L Liebermeister, M Schell, MP Semtsiv, ...
Applied Physics Letters 114 (22), 2019
662019
Ultra-fast, high-bandwidth coherent cw THz spectrometer for non-destructive testing
L Liebermeister, S Nellen, R Kohlhaas, S Breuer, M Schell, B Globisch
Journal of Infrared, Millimeter, and Terahertz Waves 40, 288-296, 2019
662019
Terahertz quasi time-domain spectroscopy based on telecom technology for 1550 nm
RB Kohlhaas, A Rehn, S Nellen, M Koch, M Schell, RJB Dietz, JC Balzer
Optics Express 25 (11), 12851-12859, 2017
432017
Continuous wave terahertz receivers with 4.5 THz bandwidth and 112 dB dynamic range
M Deumer, S Breuer, R Kohlhaas, S Nellen, L Liebermeister, S Lauck, ...
Optics Express 29 (25), 41819-41826, 2021
382021
Recent progress of continuous-wave terahertz systems for spectroscopy, non-destructive testing, and telecommunication
S Nellen, B Globisch, RB Kohlhaas, L Liebermeister, M Schell
Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and …, 2018
372018
Radiation pattern of planar optoelectronic antennas for broadband continuous-wave terahertz emission
S Nellen, S Lauck, G Schwanke, M Deumer, RB Kohlhaas, ...
Optics Express 29 (6), 8244-8257, 2021
302021
Improving the dynamic range of InGaAs-based THz detectors by localized beryllium doping: up to 70 dB at 3 THz
RB Kohlhaas, RJB Dietz, S Breuer, S Nellen, L Liebermeister, M Schell, ...
Optics Letters 43 (21), 5423-5426, 2018
292018
Rhodium doped InGaAs: A superior ultrafast photoconductor
RB Kohlhaas, B Globisch, S Nellen, L Liebermeister, M Schell, P Richter, ...
Applied Physics Letters 112 (10), 2018
262018
Ultrabroadband terahertz time-domain spectroscopy using III-V photoconductive membranes on silicon
RB Kohlhaas, S Breuer, S Mutschall, M Kehrt, S Nellen, L Liebermeister, ...
Optics Express 30 (13), 23896-23908, 2022
252022
High-power lensless THz imaging of hidden objects
S Mansourzadeh, D Damyanov, T Vogel, F Wulf, RB Kohlhaas, ...
IEEE Access 9, 6268-6276, 2021
252021
Terahertz multilayer thickness measurements: comparison of optoelectronic time and frequency domain systems
L Liebermeister, S Nellen, RB Kohlhaas, S Lauck, M Deumer, S Breuer, ...
Journal of Infrared, Millimeter, and Terahertz Waves, 1-15, 2021
162021
Fiber coupled transceiver with 6.5 THz bandwidth for terahertz time-domain spectroscopy in reflection geometry
RB Kohlhaas, L Liebermeister, S Breuer, M Amberg, D Felipe, S Nellen, ...
Sensors 20 (9), 2616, 2020
152020
Continuous wave terahertz generation from photodiode-based emitters with up to 200 μ W terahertz power
S Nellen, R Kohlhaas, L Liebermeister, S Breuer, B Globisch, M Schell
2018 43rd International Conference on Infrared, Millimeter, and Terahertz …, 2018
142018
Fiber-coupled transceiver for terahertz reflection measurements with a 4.5 THz bandwidth
B Globisch, RJB Dietz, RB Kohlhaas, S Nellen, M Kleinert, T Göbel, ...
Optics Letters 41 (22), 5262-5265, 2016
142016
A terahertz fast-sweep optoelectronic frequency-domain spectrometer: Calibration, performance tests, and comparison with tds and fds
J Kutz, L Liebermeister, N Vieweg, K Wenzel, R Kohlhaas, M Naftaly
Applied Sciences 12 (16), 8257, 2022
132022
Extreme Ultra‐Wideband Optoelectronic Frequency‐Modulated Continuous‐Wave Terahertz Radar
S Mohammadzadeh, A Keil, M Kocybik, LM Schwenson, L Liebermeister, ...
Laser & Photonics Reviews 17 (11), 2300396, 2023
122023
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