Optical design of VIS-SWIR imaging spectrometer based on acousto-optic tunable filter

Huijie Zhao; Ziye Wang; Guorui Jia; Ying Zhang; Chi Cheng

doi:10.1117/12.2505201

12 December 2018 Optical design of VIS-SWIR imaging spectrometer based on acousto-optic tunable filter

Huijie Zhao, Ziye Wang, Guorui Jia, Ying Zhang, Chi Cheng

Proceedings Volume 10844, Advanced Laser Technology and Applications; 108440M (2018) https://doi.org/10.1117/12.2505201
Event: International Symposium on Optoelectronic Technology and Application 2018, 2018, Beijing, China

Abstract

In order to widen the spectral coverage of imaging spectrometer based on Acousto-optic tunable filer (AOTF) from 400 nm to 2500 nm, a new configuration of all reflective fore-optics is proposed. The primary and secondary mirrors are used as common objective for visible and short-wave infrared channels, and then there are two independent tertiary mirrors in each channel. This configuration not only solves the problems caused by multi-view observation in traditional systems, but also meets the aperture requirements of both AOTFs to make them work in peak performance. The initial structure parameters is calculated by simultaneous Seidel aberration equations. The final design results validate the availability of this configuration in the AOTF based imaging spectrometer with two channels.

Citation Download Citation

Huijie Zhao, Ziye Wang, Guorui Jia, Ying Zhang, and Chi Cheng "Optical design of VIS-SWIR imaging spectrometer based on acousto-optic tunable filter", Proc. SPIE 10844, Advanced Laser Technology and Applications, 108440M (12 December 2018); https://doi.org/10.1117/12.2505201

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