| 光谱学与光谱分析 |
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| Research on Broadband Spectral Imaging Spectrometer Based on CDP |
| ZHANG Zhou-feng 1, 2, 3, HU Bing-liang1*, YIN Qin-ye2, GAO Xiao-hui1 |
1. Key Laboratory of Spectral Imaging Technique，Xi’an Institute of Optics and Precision Mechanics，Chinese Academy of Sciences, Xi’an 710119, China
2. School of Electronic and Information Engineering, Xi’an Jiaotong University，Xi’an 710049, China
3. University of Chinese Academy of Sciences，Beijing 100049, China |
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Abstract In order to satisfy the application requirements of real-time spectral imaging for moving targets, we design a static, snapshot imaging spectrometer based on a CDP(crossed dispersion prism). The spectral imaging principle is studied, and an optical system of broadband spectral imaging spectrometer is designed according to this principle. Imaging spectrometer consists of a CDP, an imaging lens and a detector, with ±2°field of view, spectral coverage from 0.6 to 5.0 μm, The results show that this instrument has a better ability to detect spectral from 0.6 to 5.0 μm while the average spectral resolution is 20 nm. The technology for dynamic target real-time spectral imaging provides a new technical way. It has a great potential for detecting, locating and identifying unknown energetic events in real-time.
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Received: 2015-05-19
Accepted: 2015-09-23
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Corresponding Authors:
HU Bing-liang
E-mail: hbl@opt.ac.cn
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