Solid-state beam steering with adaptive side lobe rejection and enhanced angular throw of MEMS phase SLM by angular spatial and phase combined modulation

Xianyue Deng,Jiafan Guan,Chuan Luo,Chin-I Tang,Ted Lee,Parker Liu,Yuzuru Takashima

Emerging Digital Micromirror Device Based Systems and Applications XIV（2022）

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Abstract

Laser beam steering is an essential function for LiDAR. Phase Spatial Light Modulator (SLM) provides a capability of steering beam in a fast and random-access manner but suffers from limited FOV and side lobes. In this paper, we present a DMD (Digital Micromirror Device)-PLM hybrid beam steering concept that features high resolution, large-FOV, and side-lobe free beam steering.

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Key words

mems phase slm,angular throw,adaptive side lobe rejection,angular spatial,solid-state

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