Design of the relay lens for infrared system coupled with imaging fiber bundle

Xingtao Yan; Fu Li; Jianfeng Yang; Bin Xue; Xiaolong Ma; Juan Lv; Yinghong He; Yiyi Zhao

doi:10.1117/12.2197992

15 October 2015 Design of the relay lens for infrared system coupled with imaging fiber bundle

Xingtao Yan, Fu Li, Jianfeng Yang, Bin Xue, Xiaolong Ma, Juan Lv, Yinghong He, Yiyi Zhao

Proceedings Volume 9676, AOPC 2015: Optical Design and Manufacturing Technologies; 96760F (2015) https://doi.org/10.1117/12.2197992
Event: Applied Optics and Photonics China (AOPC2015), 2015, Beijing, China

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.

Citation Download Citation

Xingtao Yan, Fu Li, Jianfeng Yang, Bin Xue, Xiaolong Ma, Juan Lv, Yinghong He, and Yiyi Zhao "Design of the relay lens for infrared system coupled with imaging fiber bundle", Proc. SPIE 9676, AOPC 2015: Optical Design and Manufacturing Technologies, 96760F (15 October 2015); https://doi.org/10.1117/12.2197992

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