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Analysis of Beam Walk in Inter-Satellite Laser Link: Implications for Differential Wavefront Sensing in Gravitational Wave Detection

文献类型：期刊论文

作者Qian, XingGuang3,4; Cui, Zhao2,3,4; Shi, HaoQi3,4; Wang, Xue2,3,4; Yao, WeiLai2,3,4; Gao RH(高瑞弘)1; Wang, YiKun3,4
刊名APPLIED SCIENCES-BASEL
出版日期2024-07-01
卷号14期号:13页码:15
关键词beam walk angle measurement error differential wavefront sensing inter-satellite laser link laser pointing jitter
DOI10.3390/app14135526
通讯作者Gao, Rui-Hong(gaoruihong@imech.ac.cn) ; Wang, Yi-Kun(wangyikun@ucas.ac.cn)
英文摘要Achieving space-based gravitational wave detection requires the establishment of an interferometer constellation. It is necessary to establish and maintain stable laser interferometric links using the differential wavefront sensing (DWS) technnique. When the distant measurement beam experiences pointing jitter, it causes beam walk on the surface of the local detector. The reduced overlap between the local reference spot and the distant spot increases the nonlinear errors in the DWS technique, which need to be suppressed. Numerical analysis was conducted on the spatial beam interference signals of the DWS technique when the distant measurement beam experienced pointing jitter. An experimental measurement system was designed, and the beam walk was suppressed using a conjugate imaging system. The results show that within a range of 300 mu rad, the optical path with the imaging system can reduce measurement errors by at least 83%. This way also helps to reduce pointing jitter noise in inter-satellite links, thereby improving laser pointing control accuracy.This method would provide a valuable reference for future DWS measurement systems.
分类号二类/Q1
WOS关键词SPACE
资助项目National Key Research and Development Program of China[2022YFC2203700] ; National Key Research and Development Program of China[2020YFC2201300]
WOS研究方向Chemistry ; Engineering ; Materials Science ; Physics
语种英语
WOS记录号WOS:001269335300001
资助机构National Key Research and Development Program of China
其他责任者Gao, Rui-Hong ; Wang, Yi-Kun
源URL[http://dspace.imech.ac.cn/handle/311007/96032]  
专题力学研究所_国家微重力实验室
作者单位1.Chinese Acad Sci, Inst Mech, Ctr Gravitat Wave Expt, Natl Micrograv Lab, Beijing 100190, Peoples R China
2.Chinese Acad Sci, Shanghai Inst Tech Phys, Shanghai 200031, Peoples R China;
3.Univ Chinese Acad Sci, Beijing 101408, Peoples R China;
4.Univ Chinese Acad Sci, Sch Phys & Photoelect Engn, Key Lab Gravitat Wave Precis Measurement Zhejiang, Taiji Lab Gravitat Wave Universe,Hangzhou Inst Adv, Hangzhou 310024, Peoples R China;
推荐引用方式
GB/T 7714		 Qian, XingGuang,Cui, Zhao,Shi, HaoQi,et al. Analysis of Beam Walk in Inter-Satellite Laser Link: Implications for Differential Wavefront Sensing in Gravitational Wave Detection[J]. APPLIED SCIENCES-BASEL,2024,14(13):15.
APA Qian, XingGuang.,Cui, Zhao.,Shi, HaoQi.,Wang, Xue.,Yao, WeiLai.,...&Wang, YiKun.(2024).Analysis of Beam Walk in Inter-Satellite Laser Link: Implications for Differential Wavefront Sensing in Gravitational Wave Detection.APPLIED SCIENCES-BASEL,14(13),15.
MLA Qian, XingGuang,et al."Analysis of Beam Walk in Inter-Satellite Laser Link: Implications for Differential Wavefront Sensing in Gravitational Wave Detection".APPLIED SCIENCES-BASEL 14.13(2024):15.

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来源：力学研究所

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