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题名:
Test of a prototype of lightweight, active mirrors
作者: Lu, Weixin1,2,3; Zhou, Hong1,2,3; Fan, Xinlong1,2,3; Guan, Chunlin1,2; Rao, Changhui1,2
出版日期: 2014
会议名称: Proceedings of SPIE: 7th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Large Mirrors and Telescopes
会议日期: 2014
学科分类: Embedded systems - Imaging systems - Manufacture - Mirrors
DOI: 10.1117/12.2069560
中文摘要: Lightweight mirrors have been used widely in ground-based imaging systems and astronomical telescopes, because of their light weight and good stiffness. However, space telescope mirrors cannot maintain their initial surface shape due to the effects such as gravity release, thermal changes in the space and so on. To deal with the problem, a new type of lightweight, active primary mirrors which are rib-stiffened and contain surface-parallel actuators embedded in the recess of the ribs, are designed for potentially using in space-based imaging systems. They enable larger primary aperture to improve resolution and sensitivity and are capable of on-orbit surface shape correction, which can control the shape of the mirrors to optical tolerances. According to the previous optimized parameters a prototype of lightweight, active mirrors is fabricated and tested. The influence functions of the fabricated prototype are measured by using a Veeco interferometer and the correctability for the Zernike aberrations is simulated. The results show that it has a good fitting ability for low order Zernike aberrations. © 2014 SPIE.
英文摘要: Lightweight mirrors have been used widely in ground-based imaging systems and astronomical telescopes, because of their light weight and good stiffness. However, space telescope mirrors cannot maintain their initial surface shape due to the effects such as gravity release, thermal changes in the space and so on. To deal with the problem, a new type of lightweight, active primary mirrors which are rib-stiffened and contain surface-parallel actuators embedded in the recess of the ribs, are designed for potentially using in space-based imaging systems. They enable larger primary aperture to improve resolution and sensitivity and are capable of on-orbit surface shape correction, which can control the shape of the mirrors to optical tolerances. According to the previous optimized parameters a prototype of lightweight, active mirrors is fabricated and tested. The influence functions of the fabricated prototype are measured by using a Veeco interferometer and the correctability for the Zernike aberrations is simulated. The results show that it has a good fitting ability for low order Zernike aberrations. © 2014 SPIE.
收录类别: Ei
语种: 英语
卷号: 9280
ISSN号: 0277786X
文章类型: 会议论文
页码: 92800U
Citation statistics:
内容类型: 会议论文
URI标识: http://ir.ioe.ac.cn/handle/181551/7811
Appears in Collections:自适应光学技术研究室(八室)_会议论文

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作者单位: 1. Laboratory on Adaptive Optics, Institute of Optics and Electronics, Chinese Academy of Sciences, Chengdu, China
2. Key Laboratory on Adaptive Optics, Chinese Academy of Sciences, Chengdu, China
3. University of Chinese Academy of Sciences, Beijing, China

Recommended Citation:
Lu, Weixin,Zhou, Hong,Fan, Xinlong,et al. Test of a prototype of lightweight, active mirrors[C]. 见:Proceedings of SPIE: 7th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Large Mirrors and Telescopes. 2014.
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