Volume 15 Issue 5
Sep.  2022
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HUO Yin-long, YANG Fei, WANG Fu-guo. Overview of key technologies for segmented mirrors of large-aperture optical telescopes[J]. Chinese Optics, 2022, 15(5): 973-982. doi: 10.37188/CO.2022-0109
Citation: HUO Yin-long, YANG Fei, WANG Fu-guo. Overview of key technologies for segmented mirrors of large-aperture optical telescopes[J]. Chinese Optics, 2022, 15(5): 973-982. doi: 10.37188/CO.2022-0109

Overview of key technologies for segmented mirrors of large-aperture optical telescopes

doi: 10.37188/CO.2022-0109
Funds:  Supported by the Jilin Science and Technology Development Program (No. 20210402065GH); Excellent Member of Youth Innovation Promotion Association CAS (No. Y202053); International Partnership Program of the Chinese Academy of Sciences (No. 181722KYSB20200001); National Natural Science Foundation of China (NSFC) (No. 11973040)
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  • Corresponding author: yangflying@163.com
  • Received Date: 31 May 2022
  • Rev Recd Date: 22 Jun 2022
  • Available Online: 28 Jul 2022
  • With the continuous development of astronomical exploration, the aperture of telescopes is getting larger and larger. Segmented mirror technology offers a viable and much simpler alternative to a large single monolithic primary mirrors, and has become an important way of designing the primary mirror of large-aperture telescopes. This paper summarizes the current development status of various technologies with reference to the primary mirror design of typical segmented telescopes such as the JWST and TMT, and elaborates on the performance differences and mirror supports of different segmented primary mirror schemes under the background of large-scale sub-mirrors. Potential future development trends of this technology and co-phasing detection technology are provided. This research acts as a reference for the independent development of the next generation of very large aperture optical infrared telescopes in China.


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