Precision thermal control technology to enable thermally stable telescopes

  • Brooks T
  • Stahl H
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Abstract

文介绍了 NASA 精密热控制 (PTC) 项目,该项目旨在提升用于系外行星观测的超高热稳定性紫外/可见光/红外太空望远镜主镜组件的技术成熟度。该项目的主要成果包括:在相关热/真空环境中,当 1.5 米超低膨胀 (ULE®) 高级镜技术发展-2 (AMTD-2) 镜受 8000 倍超负荷热扰动的情况下,演示了优于 2 mK 均方根稳定的热控制;能够将 1.5 米 AMTD-2 镜塑造成皮米精度;以及展示了量化由温度引起的中间空间频率误差的分析方法,这种误差会导致掩星器的暗区出现散斑噪声。

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APA

Brooks, T. E., & Stahl, H. P. (2022). Precision thermal control technology to enable thermally stable telescopes. Journal of Astronomical Telescopes, Instruments, and Systems, 8(02). https://doi.org/10.1117/1.jatis.8.2.024001

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