Reichstein J, Carlowitz C, Schmidt M (2025)
Publication Type: Conference contribution
Publication year: 2025
Publisher: Institute of Electrical and Electronics Engineers Inc.
Conference Proceedings Title: 2025 IEEE International Topical Meeting on Microwave Photonics, MWP 2025
Event location: Quebec City, QC, CAN
ISBN: 9798331597252
DOI: 10.1109/MWP65272.2025.11371945
With the increasing usage of LiDARs in safety-relevant automotive applications, there is an increasing need for test systems that can verify accurate target detection in production and workshop environments, especially regarding upcoming coherent FMCW approaches. In this paper, we demonstrate for the first time an all-optical, coherent test system concept that can replicate the Doppler effect in a compact setup for FMCW LiDAR systems. It is based on a fiber-optic feedback loop with a Mach-Zehnder modulator for electro-optic Doppler generation. For experimental validation, we use a microwave-photonic FMCW LiDAR at 1 m distance. Moving targets with velocities between 0.3 and 56 km/h have been emulated for the first time in a LiDAR setup over-the-air with more than 25 dB carrier suppression, less than -20 dB I/Q imbalance and modulation harmonics below noise floor.
APA:
Reichstein, J., Carlowitz, C., & Schmidt, M. (2025). Electro-Optic Doppler Target Simulation for FMCW LiDAR. In 2025 IEEE International Topical Meeting on Microwave Photonics, MWP 2025. Quebec City, QC, CAN: Institute of Electrical and Electronics Engineers Inc..
MLA:
Reichstein, Johannes, Christian Carlowitz, and Marius Schmidt. "Electro-Optic Doppler Target Simulation for FMCW LiDAR." Proceedings of the 2025 IEEE International Topical Meeting on Microwave Photonics, MWP 2025, Quebec City, QC, CAN Institute of Electrical and Electronics Engineers Inc., 2025.
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