Acta Photonica Sinica, Volume. 54, Issue 2, 0254105(2025)

Analysis on the Coupling Effects of Telescope Pointing Jitter and Wavefront Distortion (Invited)

Peng WANG... Hongxiao ZHANG, Xudong LIN* and Ming LI |Show fewer author(s)
Author Affiliations
  • MOE Key Laboratory of TianQin Mission, TianQin Research Center for Gravitational Physics & School of Physics and Astronomy, Frontiers Science Center for TianQin, CNSA Research Center for Gravitational Waves, Sun Yat-sen University, Zhuhai 519082, China
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    Figures & Tables(8)
    Coordinate system of the inter-satellite laser link
    Coupling noise distribution and residual diagram by Linear approximation and traversal methods
    The distribution coupling noise and residual diagram with traversal error
    Simulation diagram of pointing jitter when coupling noise is 1 and 10 pm/Hz1/2 at different wavefront quality RMS values
    • Table 1. The first 10 Zernike aberrations

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      Table 1. The first 10 Zernike aberrations

      OrderAberration typenmZnmρθ
      1X tiltZ112ρcosθ
      2Y tiltZ1-12ρsinθ
      3DefocusZ2032ρ2-1
      4Astigmatism xyZ226ρ2cos2θ
      5Astigmatism 45°Z2-26ρ2sin2θ
      6Coma xZ3183ρ3-2ρcosθ
      7Coma yZ3-183ρ3-2ρsinθ
      83-foil xZ338ρ3sin3θ
      93-foil yZ3-38ρ3cos3θ
      10SphericalZ4056ρ4-6ρ2+1
    • Table 2. Coefficient table of first 10 Zernike aberrations

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      Table 2. Coefficient table of first 10 Zernike aberrations

      Z2-2Z20Z22Z3-3Z3-1Z31Z33Z40
      -1.52 nm5.59 nm9.39 nm-9.39 nm-12.69 nm8.38 nm19.04 nm21.33 nm
    • Table 3. The main steps of differential evolution algorithm

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      Table 3. The main steps of differential evolution algorithm

      The main steps of differential evolution algorithm
      1Initialize:Generate a set of populations (solution vectors) in the search space
      2LoopMutation: Comparing the generated multiple solution vectors to obtain a new population
      3Repair: Compare the old and new populations to decide whether to repair the population beyond the search space
      4Recombination: Hybridization between old and new populations continues to evolve
      5UntilSelection: Determine the fitness of the solution vector to decide whether to update the population
    • Table 4. The main parameters of differential evolution algorithm

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      Table 4. The main parameters of differential evolution algorithm

      StrategyBoundsMutationRecombinationMax iterationTolerance
      Best1bin1~10 nrad0.50.71×1031×10-4
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    Peng WANG, Hongxiao ZHANG, Xudong LIN, Ming LI. Analysis on the Coupling Effects of Telescope Pointing Jitter and Wavefront Distortion (Invited)[J]. Acta Photonica Sinica, 2025, 54(2): 0254105

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    Paper Information

    Category: Special Issue for Precise Beam Pointing for Space Gravitational Wave Detection

    Received: Nov. 30, 2024

    Accepted: Jan. 21, 2025

    Published Online: Mar. 25, 2025

    The Author Email: LIN Xudong (linxd39@mail.sysu.edu.cn)

    DOI:10.3788/gzxb20255402.0254105

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