Large field-of-view Fourier transform imaging spectrometer using dual-channel stitching

被引：7
|
作者：
Liu, Chengmiao [1 ,2 ]
Li, Jianxin [1 ,2 ]
Zhu, Rihong [1 ,2 ]
Cui, Xiangqun [1 ,3 ]
机构：
[1] Nanjing Univ Sci & Technol, Sch Elect Engn & Optoelect Technol, Nanjing 210094, Jiangsu, Peoples R China
[2] Nanjing Univ Sci & Technol, MIIT Key Lab Adv Solid Laser, Nanjing 210094, Jiangsu, Peoples R China
[3] Chinese Acad Sci, Natl Astron Observ, Nanjing Inst Astron Opt & Technol, Nanjing 210042, Jiangsu, Peoples R China
来源：
OPTICS EXPRESS | 2016年 / 24卷 / 25期
基金：
中国国家自然科学基金;
关键词：
COASTAL OCEAN;
D O I：
10.1364/OE.24.028473
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A dual-channel lateral shearing beam splitter was used in a Fourier transform imaging spectrometer, forming a dual-channel imaging spectrometer, to investigate the usability of this technique for large field-of-view (FOV) spectral detection. The large FOV obtained by stitching together the different channels' individual FOVs greatly improved the spectral detection efficiency for large-area targets. This report describes the principle of the dual-rectangle lateral shearing beam splitter and the analysis of the lateral shearing distance, FOV, modulation, and method of dual-channel stitching. Large-FOV spectral images of a scene were acquired experimentally at visible wavelengths, confirming the effectiveness of this technique. (C) 2016 Optical Society of America
引用
收藏
页码：28473 / 28490
页数：18
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