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Laser & Optoelectronics Progress, Volume. 61, Issue 17, 1700003(2024)

Research Progress in Jitter Measurement and Suppression Technology for Large-Aperture Optical Telescopes

Yuanguo Liu1,2, Fei Yang1、*, Yinlong Huo1,2, Jiakang Zhu1,2, and Xuesong Song3
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
  • 3Quality Assurance Department, FAW-Volkswagen Automobile Co., Ltd., Changchun 130033, Jilin, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (15)
    Equations (0)
    References (39)
    Cited By (1)
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    Figures & Tables(15)
    Jitter measurement experiment of small turntable

    Fig. 1. Jitter measurement experiment of small turntable

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    Mirror direction measurement and azimuth axis direction measurement

    Fig. 2. Mirror direction measurement and azimuth axis direction measurement

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    Diagram of on-board measurement of camera internal and external parameters

    Fig. 3. Diagram of on-board measurement of camera internal and external parameters

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    Damper structure in vibration isolation device

    Fig. 4. Damper structure in vibration isolation device

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    Cross vibration isolation system

    Fig. 5. Cross vibration isolation system

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    Schematic diagrams of combined system

    Fig. 6. Schematic diagrams of combined system

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    Reaction flywheel and internal jitter diagram

    Fig. 7. Reaction flywheel and internal jitter diagram

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    SMT splicing and support structure

    Fig. 8. SMT splicing and support structure

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    Isolation rod in the spacecraft bus

    Fig. 9. Isolation rod in the spacecraft bus

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    Static platform and precision pointing platform

    Fig. 10. Static platform and precision pointing platform

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    DOCS system analysis framework

    Fig. 11. DOCS system analysis framework

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    IME system for JWST

    Fig. 12. IME system for JWST

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    Comprehensive jitter analysis framework

    Fig. 13. Comprehensive jitter analysis framework

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    • Table 1. Jitter suppression techniques

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      Table 1. Jitter suppression techniques

      PlatformAdvantageSuppression method
      HST，AXAF，JWST，SOFIALow manufacturing cost，stable and reliable，easy maintenance，no additional inputThe vibration isolation system is designed and measures are taken to isolate the vibration source
      SMT，SOFIAThe jitter in the delivery path is avoided or reducedOptimize part of the structure；Using restraint materials；Additional energy dissipating element
      JWST，SIM，UQP-PPH，SOFIAIt is suitable for cases where the disturbance input is more complex and the direction and frequency components are moreThe optical load and its accessory equipment are suppressed as a whole or the sensitive load is suppressed separately

    • Table 2. Presents several main methods of jitter integrated simulation and their applications

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      Table 2. Presents several main methods of jitter integrated simulation and their applications

      IndexDOCSIMEIntegrated jitter analysis framework
      FunctionThe optical axis directional stability，modulation transfer function and sensitivity evaluation can be calculatedIntegrated modeling and jitter evaluation，using a variety of common software to connect subsystems，can easily manage file dataThe structural response is calculated by using the disturbance generated by the vibration isolator filtration
      AdvantageSuitable for scientific research，it can add analysis modules and improve integration capabilitiesIt is suitable for practical engineering and integrates optics，control，disturbance source，structure and thermal control subsystemThe vibration isolator model is introduced to eliminate most of the jitter effect，and the results are presented in the form of image visualization
      DisadvantageThe calculation is large and the efficiency is lowThe system is large and takes a long timePractical applications need to be further in-depth
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    Yuanguo Liu, Fei Yang, Yinlong Huo, Jiakang Zhu, Xuesong Song. Research Progress in Jitter Measurement and Suppression Technology for Large-Aperture Optical Telescopes[J]. Laser & Optoelectronics Progress, 2024, 61(17): 1700003

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    Paper Information

    Category: Reviews

    Received: Dec. 15, 2023

    Accepted: Jan. 26, 2024

    Published Online: Sep. 14, 2024

    The Author Email: Fei Yang (yangflying@163.com)

    DOI:10.3788/LOP232677

    CSTR:32186.14.LOP232677

    Topics

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