摘要
明确了几种三反和四反结构的性能优劣,进而获得一种性能优良的中高轨空间详查光学系统的设计方案。针对同一种光学设计技术指标,分析了空间详查相机的各项主要参数,利用Zemax光学设计软件设计了同轴三反射镜,一次中间像离轴三反射镜和无中间像离轴三反射镜3种三反光学系统以及同轴四反射镜,无中间像离轴四反射镜和一次中间像离轴四反射镜3种四反光学系统,均满足指标要求。对比了上述系统的优缺点,在综合考虑当前的光学加工、检测、装调的可行性以及高分辨力空间对地成像技术发展先进性的基础上,决定选用有一次中间像的离轴四反射镜光学系统作为最终方案,得到了有效焦距29 m,F数9.7,视场角1°×0.3°,外形尺寸3200 mm×6489 mm×8194 mm的空间详查相机光学系统。对该光学系统的性能进行了模拟和验证,结果表明该光学系统的分辨率、传递函数、像差、畸变等各项性能优异。
The advantages and disadvantages of several kinds of three-mirror system and four-mirror system are clear, a kind of high quality space detailed survey camera in the middle or high orbit is formed. According to the same technical target, we analyse the key parameters of space detailed survey camera, six kinds of optical systems： on-axis three-mirrors system, two imaging off-axis three-mirrors system, one imaging three-mirror system, onaxis four-mirrors system, two imaging off-axis four-mirrors system and one imaging four-mirror system has been designed by Zemax software, and all of them can satisfy the requirements of the indicators. The advantages and disadvantages of six systems are given, on consideration of the fabrication, testing, calibration and the technology development of high resolution camera, the one imaging off-axis four-mirrors system has been chosen, gets a effective focus length 29 m, F number 9.7, wide of field 1°×0.3°, shape size 3200 mm×6489 mm×8194 mm space detailed survey camera optical system. The property of the optical system is simulated and validated, the results suggest that the resolution, transfer function, aberration and distortion of system are excellent.
出处
《中国激光》
EI
CAS
CSCD
北大核心
2016年第1期230-238,共9页
Chinese Journal of Lasers
基金
国防基础科研计划(B1720132001)
关键词
光学设计
空间光学
详查相机
全反射系统
四反系统
optical design
space optics
space high resolution camera
reflective optical system
four-mirrorsoptical system
作者简介
王蕴琦（1990-），男，博士研究生，主要从事空间成像技术方面的研究。E-mail：doctorwho_wangyq@163．com
导师简介：刘伟奇（1958-），男，硕士，研究员，博士生导师，主要从事空间成像与瞄准技术，高精度光学检测方面的研究。E-mail：liuwq@ciomp．ac．cn（通信联系人）
