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요약정보
一种多波长激光雷达光学系统设计 / Design of a multi-wavelength lidar optical system
Resource Type
Academic Journal
Authors
刘晨凯
;
胡明勇
;
李昭阳
;
孙东起
;
封志伟
;
蔡晓波
;
LIU Chenkai
;
HU Mingyong
;
LI Zhaoyang
;
SUN Dongqi
;
FENG Zhiwei
;
CAI Xiaobo
Source
量子电子学报 / Chinese Journal of Quantum Electronics
. 38(6):806-814
Subject
几何光学;激光雷达;PW法;卡塞格林结构
Language
Chinese
ISSN
1007-5461
Online Access
Find it @ DONGA
초록
鉴于大口径激光雷达系统在污染物检测方面的需求,理论设计了一种多波长激光雷达光学系统.该系统由接收主系统和光纤分束耦合部分组成,工作波长为355、532、1064 nm,检测波长为632.8 nm,接收主系统采用卡塞格林结构,光纤分束耦合部分采用透射的形式,引入色差.系统通光口径为Φ680 mm,有效焦距为1548.53 mm,通过对玻璃材料的选型和光焦度分配,使用修正的相对部分色散P和阿贝数V建立消色差方程组,用PW法求解初始结构.使用Zemax软件优化出满足要求的光学系统,最终优化结果波前都优于λ/15(λ=632.8 nm),表明设计的光学系统可用于实际生产加工中.
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