Design and manufacturing of a highly integrated optical module for Tianwen-1 probe's landing LiDAR

Yunfang Zhang,Feihu Zhu, Yan Zheng,Li Wang,Shaogang Guo,Baocheng Hua,Lin Li, Jianfeng Chen,Yang Liu,Zhongxiang Cao, Qihai Liu,Donglai Zhang,Yanxu Hu, Shuai Hong

Optics and Lasers in Engineering（2023）

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摘要

•The relationship between SNR and detection distance, scanning FOV is given.•The impact response of the MEMS mirror was greatly reduced by a shock absorber.•New optical design realizes long back working distance and small f number.•A receiving module with strong resistance to solar interference is presented.•The proposed module helped the Mars probe successfully determine a landing point.

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关键词

Laser radar (LiDAR),Optical module,Design of the optical system,MEMS mirror

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