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Proceedings Paper

Design of the relay lens for infrared system coupled with imaging fiber bundle
Author(s): Xingtao Yan; Fu Li; Jianfeng Yang; Bin Xue; Xiaolong Ma; Juan Lv; Yinghong He; Yiyi Zhao
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Paper Abstract

Relay lens is an important element for infrared system coupled with imaging fiber bundle. According to the basic composition and structural characteristics of infrared system coupled with imaging fiber bundle, this paper put forward the general principle and method of its relay lens design, then a material relay lens has been designed by ZEMAX with definite performance index. It has a working spectral coverage from 3.7μm to 4.8μm, focal length of 33.5mm, magnification of -0.6, linear field of view of 12mm, objective numerical aperture of 0.15. It is objective telecentric and is adapted to the relay of infrared detector and imaging fiber bundle. The total lens has two aspheric surfaces and only four pieces of singlet. Its MTF value is 0.7@17 lp/mm, and distortion is -0.19%. After necessary tolerance analysis and structural design, this relay lens has been fabricated. The optical performances fulfill the design requirements and clear images have been got by this lens. These prove the validity and rationality of the design method. It gives a foundational guidance for such relay lens design.

Paper Details

Date Published: 15 October 2015
PDF: 6 pages
Proc. SPIE 9676, AOPC 2015: Optical Design and Manufacturing Technologies, 96760F (15 October 2015); doi: 10.1117/12.2197992
Show Author Affiliations
Xingtao Yan, Xi’an Institute of Optics and Precision Mechanics (China)
Fu Li, Xi’an Institute of Optics and Precision Mechanics (China)
Jianfeng Yang, Xi’an Institute of Optics and Precision Mechanics (China)
Bin Xue, Xi’an Institute of Optics and Precision Mechanics (China)
Xiaolong Ma, Xi’an Institute of Optics and Precision Mechanics (China)
Juan Lv, Xi’an Institute of Optics and Precision Mechanics (China)
Yinghong He, Xi’an Institute of Optics and Precision Mechanics (China)
Yiyi Zhao, Xi’an Institute of Optics and Precision Mechanics (China)


Published in SPIE Proceedings Vol. 9676:
AOPC 2015: Optical Design and Manufacturing Technologies
Lin Li; Kevin P. Thompson; Ligong Zheng, Editor(s)

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