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超分辨卫星载荷光学系统杂散光抑制

Research on the Stray Light Suppression for Super-resolution Optical System

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摘要

为了进一步提高超分辨卫星载荷光学系统的空间分辨能力, 需对系统杂散光进行抑制, 以得到准确的原始图像.通过光线追迹方式, 分析了系统杂散光, 确认了杂散光的来源.通过Tracepro定量化分析和结构有限元分析, 在限制范围内, 不断优化、改进遮光罩尺寸及挡光环位置, 得到光学系统视场外点源透射比均在10-3以下, 验证了该杂散光抑制方案的有效性, 为卡塞格林光学系统的工程应用提供参考.

Abstract

In order to further improve the spatial resolution of the super-resolution satellite load optical system, it is necessary to suppress the stray light of the system to obtain accurate original images. By ray tracing, the stray light is analyzed, and the source of stray light is confirmed. Through the quantitative analysis and structural finite element analysis by Traccpro, the size of the hood and the position of the block were optimized, the point sources transmittance of the external point of the optical system is 10-3. The stray light suppression scheme is effective. The stray light suppression measures proposed in this paper provide theoretical support for the engineering application of Cassegrain optical system.

Newport宣传-MKS新实验室计划
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中图分类号:O439;O435

DOI:10.3788/gzxb20174611.1122002

基金项目:国家自然科学基金(No.61505220)和中国科学院国防创新项目基金(No.CXJJ-15S156)资助

收稿日期:2017-04-26

修改稿日期:2017-06-27

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作者单位    点击查看

裴琳琳:西安电子科技大学, 西安 710071
相里斌:西安电子科技大学, 西安 710071中国科学院光电研究院, 北京 100094
吕群波:中国科学院光电研究院, 北京 100094
邵晓鹏:西安电子科技大学, 西安 710071

联系人作者:裴琳琳(pll@aoe.ac.cn)

备注:裴琳琳(1987-), 女, 博士研究生, 主要研究方向为计算成像光谱技术.

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引用该论文

PEI Lin-lin,XIANG-LI Bin,L Qun-bo,SHAO Xiao-peng. Research on the Stray Light Suppression for Super-resolution Optical System[J]. ACTA PHOTONICA SINICA, 2017, 46(11): 1122002

裴琳琳,相里斌,吕群波,邵晓鹏. 超分辨卫星载荷光学系统杂散光抑制[J]. 光子学报, 2017, 46(11): 1122002

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