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首页> 外文会议>Optical system alignment, tolerancing, and verification VIII >Analysis of target wavefront error for secondary mirror of a spaceborne telescope
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Analysis of target wavefront error for secondary mirror of a spaceborne telescope

机译：星载望远镜副镜目标波前误差分析

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摘要

During the fabrication of an aspherical mirror, the inspection of the residual wavefront error is critical. In the program of a spaceborne telescope development, primary mirror is made of ZERODUR with clear aperture of 450 mm. The mass is 10 kg after lightweighting. Deformation of mirror due to gravity is expected; hence uniform supporting measured by load cells has been applied to reduce the gravity effect. Inspection has been taken to determine the residual wavefront error at the configuration of mirror face upwards. Correction polishing has been performed according to the measurement. However, after comparing with the data measured by bench test while the primary mirror is at a configuration of mirror face horizontal, deviations have been found for the two measurements. Optical system that is not able to meet the requirement is predicted according to the measured wavefront error by bench test. A target wavefront error of secondary mirror is therefore analyzed to correct that of primary mirror. Optical performance accordingly is presented.
机译：在制造非球面镜的过程中，检查残留波前误差至关重要。在星载望远镜的开发程序中，主镜由ZERODUR制成，透明孔径为450毫米。轻量化后的质量为10千克。镜子会由于重力而变形；因此，已经应用了由称重传感器测得的均匀支撑来减小重力效应。已经进行了检查以确定镜面朝上的配置处的残留波前误差。根据测量结果进行了校正抛光。但是，在将主镜处于镜面水平配置时，与通过台式测试测得的数据进行比较后，发现两次测量均存在偏差。通过台架试验根据测得的波前误差预测出不能满足要求的光学系统。因此，分析副镜的目标波前误差以校正主镜的目标。相应地显示了光学性能。

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  • 来源
  • 会议地点 San Diego CA(US)
  • 作者

    Shenq-Tsong Chang; Wei-Cheng Lin; Ching-Hsiang Kuo; Chia-Yen Chan; Yu-Chuan Lin; Ting-Ming Huang;

  • 作者单位

    Instrument Technology Research Center, National Applied Research Laboratories, 20 RD Road Ⅵ, Hsinchu Science-Based Industrial Park, Hsinchu 300 Taiwan (R.O.C.);

    Instrument Technology Research Center, National Applied Research Laboratories, 20 RD Road Ⅵ, Hsinchu Science-Based Industrial Park, Hsinchu 300 Taiwan (R.O.C.);

    Instrument Technology Research Center, National Applied Research Laboratories, 20 RD Road Ⅵ, Hsinchu Science-Based Industrial Park, Hsinchu 300 Taiwan (R.O.C.);

    Instrument Technology Research Center, National Applied Research Laboratories, 20 RD Road Ⅵ, Hsinchu Science-Based Industrial Park, Hsinchu 300 Taiwan (R.O.C.);

    Instrument Technology Research Center, National Applied Research Laboratories, 20 RD Road Ⅵ, Hsinchu Science-Based Industrial Park, Hsinchu 300 Taiwan (R.O.C.);

    Instrument Technology Research Center, National Applied Research Laboratories, 20 RD Road Ⅵ, Hsinchu Science-Based Industrial Park, Hsinchu 300 Taiwan (R.O.C.);

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    primary mirror; secondary mirror; bench test; wavefront error; Zernike polynomial fitting;

    机译：主镜次镜基准测试；波前误差Zernike多项式拟合;

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