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Chinese Journal of Lasers, Volume. 47, Issue 11, 1105002(2020)

Transfer Function Identification Method for Fast-Steering Mirror Driven by PZT

Zhou Rui1, Zhang Qiang1、*, Gan Yongdong2,3, and Shen Feng2,3
Author Affiliations
  • 1College of Air Traffic Management, Civil Aviation Flight University of China, Guanghan, Sichuan 618307, China
  • 2Key Laboratory of Adaptive Optics, Chinese Academy of Sciences, Chengdu, Sichuan 610209, China
  • 3Institute of Optics & Electronics, Chinese Academy of Sciences, Chengdu, Sichuan 610209, China
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    Figures&Tables (7)
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    References (19)
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    Figures & Tables(7)
    Structure of fast-steering mirror driven by PZT

    Fig. 1. Structure of fast-steering mirror driven by PZT

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    Flowchart of parameter identification based on GA

    Fig. 2. Flowchart of parameter identification based on GA

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    Structure of frequency response test of fast-steering mirror driven by PZT

    Fig. 3. Structure of frequency response test of fast-steering mirror driven by PZT

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    Identification result about frequency transfer function of fast-steering mirror driven by PZT. (a) Amplitude response; (b) phase response

    Fig. 4. Identification result about frequency transfer function of fast-steering mirror driven by PZT. (a) Amplitude response; (b) phase response

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    Block diagram of beam jitter control experiment principle

    Fig. 5. Block diagram of beam jitter control experiment principle

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    Integral power spectrum curve of beam jitter

    Fig. 6. Integral power spectrum curve of beam jitter

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    • Table 1. Frequency offset error and amplitude response error of resonance points

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      Table 1. Frequency offset error and amplitude response error of resonance points

      Number ofresonance pointsMeasuredfrequency /HzMeasuredamplitude /dBFittedfrequency /HzFittedamplitude /dBFrequencyerror /HzAmplitudeerror /dB
      1286.326.5282.527.23.80.7
      2385.0-9.9383.8-8.81.21.1
      3406.40.1413.8-0.67.40.5
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    Zhou Rui, Zhang Qiang, Gan Yongdong, Shen Feng. Transfer Function Identification Method for Fast-Steering Mirror Driven by PZT[J]. Chinese Journal of Lasers, 2020, 47(11): 1105002

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    Paper Information

    Category: Beam transmission and control

    Received: May. 6, 2020

    Accepted: --

    Published Online: Nov. 2, 2020

    The Author Email: Qiang Zhang (zhangqiang_ioe@126.com)

    DOI:10.3788/CJL202047.1105002

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology