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High-precision test station for stray light based on point source transmittance
其他题名高精度点源透过率杂光测试系统
Chen, Qin-Fang1; Ma, Zhen1; Wang, Hu1; Li, Xin-Yao2; Pang, Zhi-Hai1
作者部门空间光学应用研究室
2017-12-01
发表期刊Guangxue Jingmi Gongcheng/Optics and Precision Engineering
ISSN1004924X
卷号25页码:39-44
产权排序1
摘要

The increased demand for detection of dim targets in deep space and the rapid development of low threshold space-based sensors have required greater suppression performance of stay light and higher test accuracy. A stray light test station based on Point Source Transmittance (PST) is built. The station allows an measuring aperture up to 1 m and waveband from the visible to the infrared. In the station, the turntable instrument is allowed to scan ±110° in azimuth, and ±15° in picth. The test station is all black with dimensions of 28 m×8 m×9 m. In order to control light scattered from the collimator, the primary mirror with less than 2 nm RMS roughness is manufactured. A double cylindrical chamber is employed to direct and attenuate the scattered light from the system. In addition, a clean room in 1 000 class is utilized to filter air to reduce light scattered from particles in the air. Analysis and measurements show that the test station can measure point PST as low as 10-7at visible wavelengths, and 10-6at infrared wavelengths. Its test accuracy |lg(measurement value /true value)| is less than 0.5. © 2017, Science Press. All right reserved.

 

DOI10.3788/OPE.20172514.0039
收录类别EI
语种中文
引用统计
文献类型期刊论文
条目标识符http://ir.opt.ac.cn/handle/181661/30805
专题空间光学应用研究室
作者单位1.Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an,710119, China;
2.Shanghai Institute of Technical Physics, Chinese Academy of Sciences, Shanghai,200083, China
推荐引用方式
GB/T 7714
Chen, Qin-Fang,Ma, Zhen,Wang, Hu,et al. High-precision test station for stray light based on point source transmittance[J]. Guangxue Jingmi Gongcheng/Optics and Precision Engineering,2017,25:39-44.
APA Chen, Qin-Fang,Ma, Zhen,Wang, Hu,Li, Xin-Yao,&Pang, Zhi-Hai.(2017).High-precision test station for stray light based on point source transmittance.Guangxue Jingmi Gongcheng/Optics and Precision Engineering,25,39-44.
MLA Chen, Qin-Fang,et al."High-precision test station for stray light based on point source transmittance".Guangxue Jingmi Gongcheng/Optics and Precision Engineering 25(2017):39-44.
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