Acta Photonica Sinica, Volume. 54, Issue 3, 0312003(2025)

Research on Improving the Frequency Shift Characteristics of Rotational Velocity Measurement Based on Truncated Weighted Wirtinger Flow Algorithm

Hongyang WANG, Zijing ZHANG*, Hao LIU, Xinran LYU, Jiayu SONG, Chengshuai CUI, and Yuan ZHAO
Author Affiliations
  • School of Physics,Harbin Institute of Technology,Harbin 150001,China
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    Figures & Tables(9)
    Sensing and correction part of AO system based on TWWF algorithm
    Iterative process of TWWF algorithm
    System device
    Comparison of light intensity and phase before and after compensation by TWWF algorithm.Note:Non-turb:no turbulence,w/o comp:without algorithm compensation,TWWF comp:with TWWF algorithm compensation,WF comp:with WF algorithm compensation
    Frequency spectra without compensation and compensated by TWWF algorithm
    The relationship between iterations N and PER;σ,P,SMSR
    Relationship between mask number L and PER,σ,P,SMSR
    Relationship between turbulence intensity,superposition state and σ,P,SMSRR
    • Table 1. Numerical calculation parameters

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      Table 1. Numerical calculation parameters

      ParameterValueParameterValue
      ω00.003 ml5
      Mask number L40Turbulence inner scale l00.005 m
      Phase screen resolution256×256ZS-T300 m
      Turbulence outer scale L020 mCn21×10-14 m-2/3
      λ532 nmτ0.1 s
      Ω50 rad/sGS iterations N1 000
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    Hongyang WANG, Zijing ZHANG, Hao LIU, Xinran LYU, Jiayu SONG, Chengshuai CUI, Yuan ZHAO. Research on Improving the Frequency Shift Characteristics of Rotational Velocity Measurement Based on Truncated Weighted Wirtinger Flow Algorithm[J]. Acta Photonica Sinica, 2025, 54(3): 0312003

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    Paper Information

    Category: Instrumentation, Measurement and Metrology

    Received: Aug. 26, 2024

    Accepted: Nov. 11, 2024

    Published Online: Apr. 22, 2025

    The Author Email: Zijing ZHANG (zhangzijing@hit.edu.cn)

    DOI:10.3788/gzxb20255403.0312003

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