The design and assembly of a long-focal-length telescope with aluminum mirrors

Shenq Tsong Chang, Yu Chuan Lin, Chun Chieh Lien, Ting Ming Huang, Ho Lin Tsay, Jiun Jih Miau

研究成果: Conference contribution

摘要

Three-mirror-anastigmat (TMA) telescopes have been widely used in long-focal length payloads especially in space due to its excellent features for correcting aberrations, wide spectral range and shorter physical requirement. This paper describes the assembly results of the telescope that may be used in the payload of Formosat-5 follow-on mission. The telescope was a pathfinding one that was designed according to the target specifications of National Space Organization. Optical design is of Korsch type with three mirrors in the system, which is different from that in Formosat-5 RSI. Mechanical design and assembly procedures require modification from those of Formosat-5 accordingly. focal length of the telescope was 7714 mm and F-number 14. Diamond-turned aluminum mirrors were adopted due to time and budget constraint. Barrel was selected as structure configuration between primary and secondary mirrors, while struts were designed to support the tertiary mirror. A main plate was used to connect the barrel and struts. Analysis of the structure has been performed.

原文English
主出版物標題International Conference on Space Optics, ICSO 2018
編輯Zoran Sodnik, Nikos Karafolas, Bruno Cugny
發行者SPIE
ISBN(電子)9781510630772
DOIs
出版狀態Published - 2018 一月 1
事件International Conference on Space Optics, ICSO 2018 - Chania, Greece
持續時間: 2018 十月 92018 十月 12

出版系列

名字Proceedings of SPIE - The International Society for Optical Engineering
11180
ISSN(列印)0277-786X
ISSN(電子)1996-756X

Conference

ConferenceInternational Conference on Space Optics, ICSO 2018
國家Greece
城市Chania
期間18-10-0918-10-12

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

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  • 引用此

    Chang, S. T., Lin, Y. C., Lien, C. C., Huang, T. M., Tsay, H. L., & Miau, J. J. (2018). The design and assembly of a long-focal-length telescope with aluminum mirrors. 於 Z. Sodnik, N. Karafolas, & B. Cugny (編輯), International Conference on Space Optics, ICSO 2018 [111806U] (Proceedings of SPIE - The International Society for Optical Engineering; 卷 11180). SPIE. https://doi.org/10.1117/12.2536165