Error analysis of the piston estimation method in dispersed fringe sensor
文献类型:期刊论文
作者 | Li, Yang1,2,3; Wang, Sheng-Qian1,2; Rao, Chang-Hui1,2 |
刊名 | Chinese Physics B
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出版日期 | 2017 |
卷号 | 26期号:3页码:039501 |
关键词 | Adaptive optics - Errors - Interferometers - Phase measurement - Pistons - Telescopes |
ISSN号 | 1674-1056 |
英文摘要 | Dispersed fringe sensor (DFS) is an important phasing sensor of next-generation optical astronomical telescopes. The measurement errors induced by the measurement noise of three piston estimation methods for the DFS including leastsquared fitting (LSF) method, frequency peak location (FPL) method and main peak position (MPP) method, are analyzed theoretically and validated experimentally in this paper. The experimental results coincide well with the theoretical analyses.The MPP, FPL, LSF are used respectively when the DFS operates with broadband light (central wavelength: 706 nm, bandwidth: 23 nm). The corresponding root mean square (RMS) value of estimated piston error can be achieved to be 1 nm, 3 nm, 26 nm, respectively. Additionally, the range of DFS with the FPL can be more than 100 μm at the same time. The FPL method can work well both in coarse and fine phasing stages with acceptable accuracy, compared with LSF method and MPP method. © 2017 Chinese Physical Society and IOP Publishing Ltd. |
语种 | 英语 |
源URL | [http://ir.ioe.ac.cn/handle/181551/8796] ![]() |
专题 | 光电技术研究所_自适应光学技术研究室(八室) |
作者单位 | 1.Laboratory on Adaptive Optics, Institute of Optics and Electronics, Chinese Academy of Sciences, Chengdu; 610209, China; 2.Key Laboratory on Adaptive Optics, Chinese Academy of Sciences, Chengdu; 610209, China; 3.University of Chinese Academy of Sciences, Beijing; 100049, China |
推荐引用方式 GB/T 7714 | Li, Yang,Wang, Sheng-Qian,Rao, Chang-Hui. Error analysis of the piston estimation method in dispersed fringe sensor[J]. Chinese Physics B,2017,26(3):039501. |
APA | Li, Yang,Wang, Sheng-Qian,&Rao, Chang-Hui.(2017).Error analysis of the piston estimation method in dispersed fringe sensor.Chinese Physics B,26(3),039501. |
MLA | Li, Yang,et al."Error analysis of the piston estimation method in dispersed fringe sensor".Chinese Physics B 26.3(2017):039501. |
入库方式: OAI收割
来源:光电技术研究所
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