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Laser & Optoelectronics Progress, Volume. 62, Issue 9, 0923002(2025)

Model Identification of Voice Coil Actuator Tip-Tilt Mirror and Bandwidth Measurement of Beam Stabilization System

Wenyu Wang1,2,3, Jianli Wang1,2,3, Leqiang Yang1,3, Junrui Zhang1,2,3, Jiabin Wu1,3, and Jie Liu1,3、*
Author Affiliations
  • 1Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, Jilin , China
  • 2University of Chinese Academy of Sciences, Beijing 100049, China
  • 3Jilin Provincial Key Laboratory of Intelligent Wavefront Sensing and Control, Changchun 130033, Jilin , China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (13)
    Equations (21)
    References (15)
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    Figures & Tables(13)
    Schematic diagram of principle of TTM

    Fig. 1. Schematic diagram of principle of TTM

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    Timing of data acquisition and command sending

    Fig. 2. Timing of data acquisition and command sending

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    Schematic diagram of experimental beam path

    Fig. 3. Schematic diagram of experimental beam path

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    Experimental platform

    Fig. 4. Experimental platform

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    Input signals and output signals

    Fig. 5. Input signals and output signals

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    Singular value of Hankel matrix

    Fig. 6. Singular value of Hankel matrix

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    Ratio of adjacent singular values

    Fig. 7. Ratio of adjacent singular values

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    Impulse response estimation of system

    Fig. 8. Impulse response estimation of system

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    Comparison between identification model and real system in frequency domain

    Fig. 9. Comparison between identification model and real system in frequency domain

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    Comparison between identification model and real system in time domain

    Fig. 10. Comparison between identification model and real system in time domain

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    Beam path diagram of error rejection bandwidth measurement

    Fig. 11. Beam path diagram of error rejection bandwidth measurement

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    Comparison of error rejection before correction and after correction

    Fig. 12. Comparison of error rejection before correction and after correction

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    Result of the TTM system error rejection bandwidth

    Fig. 13. Result of the TTM system error rejection bandwidth

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    Wenyu Wang, Jianli Wang, Leqiang Yang, Junrui Zhang, Jiabin Wu, Jie Liu. Model Identification of Voice Coil Actuator Tip-Tilt Mirror and Bandwidth Measurement of Beam Stabilization System[J]. Laser & Optoelectronics Progress, 2025, 62(9): 0923002

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    Paper Information

    Category: Optical Devices

    Received: Aug. 28, 2024

    Accepted: Oct. 11, 2024

    Published Online: May. 9, 2025

    The Author Email: Jie Liu (liujie@ciomp.ac.cn)

    DOI:10.3788/LOP241918

    CSTR:32186.14.LOP241918

    Topics

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