Conceptual solutions for optical scanning lag angle of scanning ladar

Jianzhong Su; Yuping Cui; Zengzhi Li; Ri Wang; Jinwen Tian

doi:10.1117/12.466159

21 March 2003 Conceptual solutions for optical scanning lag angle of scanning ladar

Jianzhong Su, Yuping Cui, Zengzhi Li, Ri Wang, Jinwen Tian

Proceedings Volume 4893, Lidar Remote Sensing for Industry and Environment Monitoring III; (2003) https://doi.org/10.1117/12.466159
Event: Third International Asia-Pacific Environmental Remote Sensing Remote Sensing of the Atmosphere, Ocean, Environment, and Space, 2002, Hangzhou, China

Abstract

Optical scanning plays a very important role in LADAR system for large field of view (FOV). But it introduces a Optical scanning lag angle which depends on the detecting range and the angular rate of scanner. Optical scanning lag angle makes a part of received optical energy fall out of the optical sensitive area of detector which will greatly degrade the detecting performance of LADAR in many cases. Optical scanning lag effect and optical scanning lag angle are computational analyzed in detail in this paper. And two conceptual solutions, sub-area receiving way on unit optical sensitive area and electrical scan receiving way on detector array, are proposed.

Citation Download Citation

Jianzhong Su, Yuping Cui, Zengzhi Li, Ri Wang, and Jinwen Tian "Conceptual solutions for optical scanning lag angle of scanning ladar", Proc. SPIE 4893, Lidar Remote Sensing for Industry and Environment Monitoring III, (21 March 2003); https://doi.org/10.1117/12.466159

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