Analysis of detection error for spot position in fiber nutation model

Xueqiang Zhao; Yunpeng Zhang; Minjie Huang; Peipei Hou; Ren Zhu; Jianfeng Sun; Xia Hou; Weibiao Chen

doi:doi:10.3788/COL202018.020604

Chinese Optics Letters, 2020, 18 (2): 020604, Published Online: Feb. 12, 2020

Analysis of detection error for spot position in fiber nutation model Download： 762次

Xueqiang Zhao ^1,2,3Yunpeng Zhang ^1,2Minjie Huang ³Peipei Hou ¹Ren Zhu ³Jianfeng Sun ^1,2Xia Hou ^2,3,*Weibiao Chen ^1,2,**

Author Affiliations

¹ Key Laboratory of Space Laser Communication and Detection Technology, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China

² Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China

³ Laboratory of Space Laser Engineering, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China

Figures & Tables

Fig. 1. Principle of fiber nutation tracking system based on direct detection.

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Fig. 2. Principle of “four-point scanning algorithm”. The area in the black circle is the spot mode field at the focal plane, the blue circle is the nutation trail, and the area in the brown circle is the scanning range of fiber nutation. The red, green, yellow, and purple circles represent the positions of the end face of the SMF when nutation trail coincides with the coordinate axis, respectively.

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Fig. 3. Loss of coupling efficiency as a function of nutation radius.

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Fig. 4. (a) and (b) are the coupling efficiency and the calculated boresight error as a function of the real boresight error under the simplified model and real model.

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Fig. 5. Calculation error as a function of the relative nutation rate with different jitter amplitudes.

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Fig. 6. Calculation error as a function of $θ_{A} / θ_{v}$ and $β$ .

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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.

Analysis of detection error for spot position in fiber nutation model Download： 762次

Fig. 1. Principle of fiber nutation tracking system based on direct detection.

Fig. 3. Loss of coupling efficiency as a function of nutation radius.

Fig. 4. (a) and (b) are the coupling efficiency and the calculated boresight error as a function of the real boresight error under the simplified model and real model.

Fig. 5. Calculation error as a function of the relative nutation rate with different jitter amplitudes.

Fig. 6. Calculation error as a function of $θ_{A} / θ_{v}$ and $β$ .

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Analysis of detection error for spot position in fiber nutation model Download： 762次

Fig. 1. Principle of fiber nutation tracking system based on direct detection.

Fig. 3. Loss of coupling efficiency as a function of nutation radius.

Fig. 4. (a) and (b) are the coupling efficiency and the calculated boresight error as a function of the real boresight error under the simplified model and real model.

Fig. 5. Calculation error as a function of the relative nutation rate with different jitter amplitudes.

Fig. 6. Calculation error as a function of θA/θv and β.

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Fig. 6. Calculation error as a function of $θ_{A} / θ_{v}$ and $β$ .