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Mechanism design of a low temperature resistant and high precision zoom lens
Gao, Bo; Qiang, Zihao; Yang, Hongtao; Chen, Weining; Chang, Sansan; Zhang, Zhi; Fei, Jiaqi; Zhang, Yue; Zhang, Guangdong; Zhao, Yue; Fan, Erlei
2019
Conference Name9th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test, Measurement Technology, and Equipment
Source Publication9th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test, Measurement Technology, and Equipment
Volume10839
Conference Date2018-06-26
Conference PlaceChengdu, China
PublisherSPIE
Contribution Rank1
Abstract

In the light of optical-electronic imaging system,designed a continuous zoom lens with a optical aperture of 60mm and a zoom range of 18-246mm. Summarized the disadvantages of the former zoom lens and a low temperature resistant and high precision structure,named the special-shaped slide and cam zoom structure is proposed, and carrying out the theoretical analysis and the detailed structural design. Theoretical analysis shows that this kind of structure can make the sliding friction between the cam and the main mirror tube turned into rolling friction,thus reducing the torque demand.it also helps to eliminate the stuck phenomenon of the cam in low temperature environment.The special-shaped slide frame structure can help eliminate the tilt Angle of the moving mirror group in the zoom process,thus reducing the variation of optic axis.In the he final test, the zoom time is not longer than 8s in the environment which temperature is only-45°Ci1/4and the variation of optic axis is smaller than 0.3milliradian,both meet the target requirement. © 2019 SPIE.

Department动态光学成像研究室
DOI10.1117/12.2507810
Indexed ByEI ; CPCI
ISBN9781510623200
Language英语
ISSN0277786X;1996756X
WOS IDWOS:000461822400061
EI Accession Number20190706489067
Citation statistics
Document Type会议论文
Identifierhttp://ir.opt.ac.cn/handle/181661/31258
Collection动态光学成像研究室
AffiliationXi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an; 710119, China
Recommended Citation
GB/T 7714
Gao, Bo,Qiang, Zihao,Yang, Hongtao,et al. Mechanism design of a low temperature resistant and high precision zoom lens[C]:SPIE,2019.
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