Layout optimization of warping harness for segmented-mirror telescope

Xue-fei GONG; Xun CHEN; Zhe CHEN

doi:10.3788/OPE.20192702.0363

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Layout optimization of warping harness for segmented-mirror telescope

Micro/Nano Technology and Fine Mechanics | 更新时间：2020-08-13

- Layout optimization of warping harness for segmented-mirror telescope
- Optics and Precision Engineering Vol. 27, Issue 2, Pages: 363-371(2019)
- 作者机构：
  
  1.中国科学院国家天文台南京天文光学技术研究所，江苏南京 210042
  2.中国科学院天文光学技术重点实验室(南京天文光学技术研究所)，江苏南京 210042
  3.中国科学院大学，北京 100049
- 作者简介：
- 基金信息：
- DOI：10.3788/OPE.20192702.0363
  CLC： TH751
- Received：26 July 2018，
  
  Accepted：15 September 2018，
  
  Published：15 February 2019
- 稿件说明：
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Xue-fei GONG, Xun CHEN, Zhe CHEN. Layout optimization of warping harness for segmented-mirror telescope[J]. Optics and precision engineering, 2019, 27(2): 363-371.
DOI：

Xue-fei GONG, Xun CHEN, Zhe CHEN. Layout optimization of warping harness for segmented-mirror telescope[J]. Optics and precision engineering, 2019, 27(2): 363-371. DOI： 10.3788/OPE.20192702.0363.

摘要

为了降低较为昂贵的镜面抛光和光机装配费用，以及应对温度、重力及其他意外因素导致的镜面低阶像差，一种在被动浮动支撑结构上施加力矩以实现面形实时校正的力矩促动器在部分望远镜上已有成熟应用。本文旨在针对我国未来的大口径地基光学望远镜，对其拼接子镜力矩促动器的分布进行优化与设计。根据工程经验和参考文献初步确定力矩促动器所需的校正能力，通过三维建模软件对拼接子镜及镜室进行建模，最后通过有限元仿真和最小二乘法拟合对力矩促动器的布局进行优化设计。计算结果表明，采用18个力矩促动器的分布方案能够对离焦、像散、彗差和三叶像差进行良好的校正。对于具有数百面子镜的拼接望远镜来说，18个力矩促动器方案在满足光学设计需求的同时，有效节约了建设经费并降低了工艺的复杂性。

Abstract

To reduce the high costs of mirror polishing and opto-mechanical assembly

and to correct low-order aberrations caused by thermal and gravity deformation

the so called "warping harness" has been used to apply moment to the pivot of whiffletrees to achieve real-time correction of the mirror surface. Indeed

warping harnesses have been adopted in some large astronomical telescopes. This study aimed to optimize the layout of actuators that may be applied to large optical telescopes in China in the near future. Firstly

the correction ability of the warping harness was determined according to engineering experience and the wider literature. Secondly

integrated modeling of the segment support assembly was carried out using 3D drawing software. Finally

the layout of actuators was optimized using finite element simulation and the least-squares method. The results show that an optimized design of 18 actuators can correct aberration of focus

astigmatism

coma

and trefoil. The design of 18 actuators not only meets the requirements of optical design

but also has a lower cost and higher efficiency.

关键词

Keywords

references

蔡勇, 宫雪非.极大望远镜高精度子镜支撑系统的研究[D].南京: 中国科学院国家天文台南京天文光学技术研究所, 2014. http://d.wanfangdata.com.cn/Thesis/Y2747101

CAI Y, GONG X F. Research on High Precise Segment Support System of Very Large Telescope [D]. Nanjing: Nanjing Institute of Astronomical Optics & Technology, Chinese Academy of Sciences, 2014. (in Chinese)

PONSLET E, BLANCO D, CHO M, et al .. Development of the primary mirror segment support assemblies for the thirty meter telescope[J]. SPIE , 2006, 6279: 379-397.

VDOVING G, SOLOVIEV O. Correction of low order aberrations using continuous deformable mirrors[J]. Opt. Express , 2008, 16(5): 2859-2866.

陈新东, 郑立功, 罗霄, 等.校正低阶像差的9点促动变形镜-设计与实验[J].光学学报, 2012, 32(3): 197-202.

CHEN X D, ZHENG L G, LUO X, et al .. A deformable mirror with 9 actuated points for low order aberration correction-design and experiments[J]. Acta Optica Sinica , 2012, 32(3): 197-202. (in Chinese)

MAST T S, NELSON J. Fabrication of large optical surfaces using a combination of polishing and mirror bending[J]. SPIE , 1990, 1236: 670-681.

韩琳楚.基于TMT三镜的半主动光学面形矫正技术研究[D].长春: 中国科学院长春光学精密机械与物理研究所, 2017. http://cdmd.cnki.com.cn/Article/CDMD-80139-1017063949.htm

HAN L CH. Study on Correction of Semi-Active Optics Technology for Large Optical Flat Mirror based on TMT Tertiary Mirror [D]. Changchun: Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Science, 2017. (in Chinese)

GONG X F, CUI X Q, YE X ZH. Current progress in the research of LAMOST primary mirror support[J]. SPIE , 2004, 5495: 499-506.

WILLIAMS E, TUBB A, KAMPHUES F. TMT M1 Segment Support Assembly (SSA) Final Design Review [R].TMT.OPT.PRE.14.024.DRF03: www.tmt.org.

WILLIAMS E, BAFFES C, MAST T S, et al .. Advancement of the segment support system for the thirty meter telescope primary mirror[J]. SPIE , 2008, 7018: 701810.

NIJENHUIS J, HAMELINCK R. The optimization of the opto-mechanical performance of the mirror segments for the E-ELT[J]. SPIE , 2011, 8336: 83360H.

NIJENUIS J, HEIJMANS J, BREEJE R D, et al .. Designing the primary mirror support for the E-ELT[J]. SPIE , 2016, 9906: 990616.

SU D Q, LIANG M, YUAN X Y, et al .. A suggested 12-m telescope optical system configuration for China[J]. MNRAS , 2016, 460: 2286-2295.

邵亮, 赵勇志, 明名, 等.1.2 m微晶玻璃主镜的新型支撑[J].光学精密工程, 2016, 24(10): 2462-2470.

SHAO L, ZHAO Y ZH, MING M, et al .. Novel support for 1.2 m Zerodur primary mirror[J]. Opt. Precision Eng. , 2016, 24(10): 2462-2470. (in Chinese)

蔡勇, 宫雪非.拼接镜面望远镜的子镜室集成建模与分析[J].机械设计与制造, 2014(9): 132-135.

CAI Y, GONG X F. Integrated modeling and analysis of the segment support system of segmented-mirror telescope[J]. Machinery Design & Manufacture , 2014(9): 132-135. (in Chinese)

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Related Institution

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Photoelectric Countermeasure Department， Changchun Institute of Optics， Fine Mechanics And Physics， Chinese Academy of Sciences

Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences

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