Spot position scheme on a quadrant detector for a spaceborne laser communication system

被引：3

作者：

Wei, Jia ^{[1
,2
]}

Zhu, Huishi ^{[1
,2
]}

Wang, Yuehui ^{[1
]}

Sun, Ning ^{[1
,2
]}

Liu, Fengrui ^{[1
]}

Zhang, Jing ^{[1
]}

Chen, Yu ^{[1
]}

Liu, Jianguo ^{[1
]}

机构：

[1] Chinese Acad Sci, Inst Semicond, Beijing 100083, Peoples R China

[2] Univ Chinese Acad Sci, Sch Elect Elect & Commun Engn, Beijing 100049, Peoples R China

来源：

APPLIED OPTICS | 2024年 / 63卷 / 12期

基金：

中国国家自然科学基金;

关键词：

D O I：

10.1364/AO.517934

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The paper proposes a spot positioning method based on a four-quadrant detector for the limited computing power and memory of spaceborne laser communication, in which the adaptive interpolation segmentation (AIS) algorithm is used to fit the theoretical position curve. The algorithm uses linear operations though the fitting process and the simulated result indicates that it has higher positioning accuracy in the center area of the quadrant detector. A spot receiving and positioning system was built for experimentation and the final location of the spot was calculated. The positioning error is analyzed to evaluate the performance of the whole system. It is shown that the positioning accuracy is highest in the stable communication area of the system. In result, the scheme achieves high accuracy with simple operations, which is more suitable for spaceborne laser communication systems to release more performance for communication. (c) 2024 Optica Publishing Group

引用

页码：3162 / 3167

页数：6

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