Near-infrared Fourier transform imaging spectrometer for remote sensing

被引：2
|
作者：
Li Jianxin [1 ]
Meng Xin [1 ]
Xu Donglei [1 ]
Song Huaqing [1 ]
Wang Liu [1 ]
Zhu Rihong [1 ]
机构：
[1] Nanjing Univ Sci & Technol, Sch Elect & Opt Engn, Nanjing 210094, Jiangsu, Peoples R China
来源：
INTERNATIONAL SYMPOSIUM ON OPTOELECTRONIC TECHNOLOGY AND APPLICATION 2014: IMAGING SPECTROSCOPY; AND TELESCOPES AND LARGE OPTICS | 2014年 / 9298卷
关键词：
Spectroscopy; NIR spectral imaging; Imaging spectrometer; Fourier transform spectrometer; DOCUMENTS;
D O I：
10.1117/12.2072236
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Fourier transform spectrometer without input slit is an emerging technology for spectral imaging. It has the advantages of high spatial resolution and high radiation throughput compared to the similar device with input slit. A near-infrared (NIR) Fourier transform spectrometer using Sagnac interferometer is presented and discussed in this paper. This system is composed of a Sagnac interferometer used as a lateral shearing splitter, an objective and a NIR camera. The principle of the system is presented including the discuss of its main characteristics and the optical layout of the Sagnac interferometer. Then the main technical features are discussed, such as the sample of the optical path difference (OPD). A experimental device is set up and presented that is used for two proven experiments. Some spectral images are reconstructed from 1050nm to 1720nm and proves the feasibility of the proposed system for NIR spectral imaging.
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页数：7
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