Study of fourier transform imaging spectrometer with wide field of view

被引：0
|
作者：
Zhang Z. [1 ,2 ]
Li L. [1 ,2 ]
Hu B. [1 ]
Feng Y. [1 ]
机构：
[1] Key Laboratory of Spectral Imaging Technology of CAS, Xi'an Institute of Optics and Precision Mechanics of CAS, Xi'an, 710119, Shaanxi
[2] University of Chinese Academy of Science, Beijing
来源：
Hu, Bingliang (hbl@opt.ac.cn) | 2016年 / Chinese Optical Society卷 / 36期
关键词：
Fourier transform spectrometer; Image plane interference; Ocean spectrum; Optical design; Wide field of view;
D O I：
10.3788/AOS201636.0130001
中图分类号：
学科分类号：
摘要：
In order to meet the demand of wide field of view (FOV), wide swath width, and high throughput for the ocean spectrum, a new Fourier transform imaging spectrometer with wide FOV based on the image plane interference technologies presented. And the principle and expressions of the image plane interference are studied and educed.The optical system is designed and optimized based on the calculated detailed parameters. Dyson and double Gauss structures are used in the relay lensand fore optics respectively. Under the circumstance of 400~900 nm spectral range, 35.5° FOV, 320 km swath width, F/4, and 100 mm focal length, the average signal noise ratio (SNR) is greater than 100and the modulation transfer function (MTF) of the current design is greater than 0.5 at 32 lp/mm. All the parameters are well satisfied by the present design. © 2016, Chinese Laser Press. All right reserved.
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