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  • Received: Aug. 22, 2019

    Accepted: Nov. 14, 2019

    Posted: Feb. 8, 2020

    Published Online: Feb. 12, 2020

    The Author Email: Xia Hou (hou_xia@siom.ac.cn), Weibiao Chen (wbchen@siom.ac.cn)

    DOI: 10.3788/COL202018.020604

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    Xueqiang Zhao, Yunpeng Zhang, Minjie Huang, Peipei Hou, Ren Zhu, Jianfeng Sun, Xia Hou, Weibiao Chen. Analysis of detection error for spot position in fiber nutation model[J]. Chinese Optics Letters, 2020, 18(2): 020604

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Chinese Optics Letters, Vol. 18, Issue 2, 020604 (2020)

Analysis of detection error for spot position in fiber nutation model

Xueqiang Zhao1,2,3, Yunpeng Zhang1,2, Minjie Huang3, Peipei Hou1, Ren Zhu3, Jianfeng Sun1,2, Xia Hou2,3,*, and Weibiao Chen1,2,**

Author Affiliations

  • 1Key Laboratory of Space Laser Communication and Detection Technology, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
  • 2Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
  • 3Laboratory of Space Laser Engineering, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China

Abstract

The influences of nutation trail accuracy, simplification of coupling model, spot position jitter, and power variation of incident light on the detection error are analyzed theoretically. Under the condition of satisfying the requirements, the nutation radius is less than 1.13 μm, the accuracy of the nutation trail is less than 0.04 μm, and the detection range is [?5 μm, +5 μm]. The nutation frequency is 160 times spot position jitter frequency and 100 times intensity jitter frequency of incident light. The analysis is of great significance for determining nutation radius and frequency in the tracking system based on fiber nutation.

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