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Theoretical analyses for the relationship between the performance of quadrant photodetector and the size of incident light spot
Zhaoying Zheng; Changwei Li; Sijiong Zhang
2014-08-04
Source PublicationAdaptive Optics Systems IV
Volume9148
PagesVol.9148 56-1-11
Conference Date2014-6-22
Conference PlaceMontréal, Quebec, Canada
Funding OrganizationSPIE
PublisherSPIE
Abstract
Quadrant photodetector is one of the most popular detection devices for tip/tilt sensing. The measurement range and detection sensitivity, depending on the size of light spot incident on the quadrant photodetector, are theoretically analyzed and discussed in the application cases of the uniform irradiance distribution and of Gaussian irradiance distribution of the incident light spot. According to the theoretical results, the larger the size of the light spot is, the greater the measurement range of the quadrant photodetector, and the smaller the detection sensitivity of the quadrant photodetector.
KeywordQuadrant Photodetector Sensitivity Measurement Range Adaptive Optics
Subject Area自适应光学
Document Type会议论文
Identifierhttp://ir.niaot.ac.cn/handle/114a32/818
Collection中国科学院南京天文光学技术研究所_会议论文
中科院天文光学技术重点实验室_会议论文
Recommended Citation
GB/T 7714
Zhaoying Zheng,Changwei Li,Sijiong Zhang. Theoretical analyses for the relationship between the performance of quadrant photodetector and the size of incident light spot[C]:SPIE,2014:Vol.9148 56-1-11.
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