Large etendue solid-state-lidar with MEMS-resonant mirror assisted diffractive beam steering by digital micro mirror device

Eunmo Kang; Heejoo Choi; Brandon Hellman; Joshua Rodriguez; Braden Smith; Xianyue Deng; Parker Liu; Ted Lian-Tai Lee; Erik Evans; Yifan Hong; Jiafan Guan; Chuan Luo; Yuzuru Takashima

doi:10.1117/12.2608501

1 March 2022 Large etendue solid-state-lidar with MEMS-resonant mirror assisted diffractive beam steering by digital micro mirror device

Eunmo Kang, Heejoo Choi, Brandon Hellman, Joshua Rodriguez, Braden Smith, Xianyue Deng, Parker Liu, Ted Lian-Tai Lee, Erik Evans, Yifan Hong, Jiafan Guan, Chuan Luo, Yuzuru Takashima

Author Affiliations +

Proceedings Volume 12014, Emerging Digital Micromirror Device Based Systems and Applications XIV; 1201407 (2022) https://doi.org/10.1117/12.2608501
Event: SPIE OPTO, 2022, San Francisco, California, United States

Abstract

By combining a Micro Electro Mechanical System based resonant mirror and a Digital Micromirror Device, we demonstrated a large scan angle, fast scan rate, and high resolution beam steering for the lidar applications. The proposed optical architecture preserves a large Etendue of DMD-based diffractive beam steering with a synchronized short pulsed laser to transition of micromirror array while increasing angular resolution.

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Citation Download Citation

Eunmo Kang, Heejoo Choi, Brandon Hellman, Joshua Rodriguez, Braden Smith, Xianyue Deng, Parker Liu, Ted Lian-Tai Lee, Erik Evans, Yifan Hong, Jiafan Guan, Chuan Luo, and Yuzuru Takashima "Large etendue solid-state-lidar with MEMS-resonant mirror assisted diffractive beam steering by digital micro mirror device", Proc. SPIE 12014, Emerging Digital Micromirror Device Based Systems and Applications XIV, 1201407 (1 March 2022); https://doi.org/10.1117/12.2608501

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