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Fiber-based frequency modulated LiDAR with MEMS scanning capability for long-range sensing in automotive applications

 
: Cwalina, S.; Kottke, C.; Jungnickel, V.; Freund, R.; Runge, P.; Rustige, P.; Knieling, T.; Gu-Stoppel, S.; Albers, J.; Laske, N.; Senger, F.; Wen, L.; Giovanneschi, F.; Altuntac, E.; Ramesh, A.N.; Gonzalez-Huici, M.A.; Kuter, A.; Reddy, S.

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1st IEEE International Workshop on Metrology for Automotive, MetroAutomotive 2021 : Virtual Conference, 1- 2 July 2021
Piscataway, NJ: IEEE, 2021
ISBN: 978-1-6654-3906-0
ISBN: 978-1-6654-2983-2
pp.48-53
International Workshop on Metrology for Automotive (MetroAutomotive) <1, 2021, Online>
English
Conference Paper
Fraunhofer HHI ()
Fraunhofer ISIT ()
Fraunhofer FHR ()

Abstract
Safe operation of driver assistance systems, especially at higher speeds, remains a challenge. For this automotive application, we propose a long-range coherent LiDAR system concept with two-dimensional micro electro-mechanical system (MEMS) scanning and sparse sensing capability. We address system design challenges for the transmitter, the fiber-based optics and coherent receiver, and the impact on MEMS mirror design. Furthermore, we compare compressed sensing and deep learning techniques to implement sparse sensing and we provide preliminary results of the systems performance with a simplified setup.

: http://publica.fraunhofer.de/documents/N-641125.html