一种红外双波段衍射望远镜的光学设计

In this paper, the double-layer harmonic diffractive element (HDE) structure is investigated and the optimization procedure is based on the equation of diffraction efficiency of the double-layer diffractive optical element. The diffraction efficiency of the system in the designed middle and far infrared wavebands is larger than 99%, which improves the image contrast and the imagequality significantly. A new dual-band infrared double-layer HDE telescope is designed, which can work in the middle and far infrared wavebands. It is shown that the system approximately attains diffraction limit and is easy to processed.

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王昊, 康福增, 赵卫, 李毅超. 一种红外双波段衍射望远镜的光学设计[J]. 红外与毫米波学报, 2019, 38(1): 39. WANG Hao, KANG Fu-Zeng, ZHAO Wei, LI Yi-Chao. An optical design for dual-band infrared diffractive telescope[J]. Journal of Infrared and Millimeter Waves, 2019, 38(1): 39.

一种红外双波段衍射望远镜的光学设计

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