Design of a MWIR spectral zoom imaging system

Xiaohu Guo; Jingjing Zhu; Weiwei Zhu; Ping Zhou; Chenxiao Zhao; Tengfei Li

doi:10.1117/12.2573494

10 October 2020 Design of a MWIR spectral zoom imaging system

Xiaohu Guo, Jingjing Zhu, Weiwei Zhu, Ping Zhou, Chenxiao Zhao, Tengfei Li

Proceedings Volume 11548, Optical Design and Testing X; 115481E (2020) https://doi.org/10.1117/12.2573494
Event: SPIE/COS Photonics Asia, 2020, Online Only

Conference Poster

Abstract

It is a hybrid design spectrometer with MWIR zooming and spectral imaging. The system realizes the searching in large field of view and recognition in small field of view which can resolve the difficulty that the target and background of spectrometer are not easy to distinguish in a single field of view. It also decreases the difficulty of spectral analysis and data dimension reduction. The collimating light beam modulated by AOTF (acousto-optic tunable filter) provides a basis for the subsequent spectral analysis. The optical system realizes three times zoom from 160mm to 480mm. The simulation achieves the effect imaging result. Experiments show that the system has both imaging and spectral recognition capabilities.

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Xiaohu Guo, Jingjing Zhu, Weiwei Zhu, Ping Zhou, Chenxiao Zhao, and Tengfei Li "Design of a MWIR spectral zoom imaging system", Proc. SPIE 11548, Optical Design and Testing X, 115481E (10 October 2020); https://doi.org/10.1117/12.2573494

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