光谱学与光谱分析 |
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Design and Simulation of the NIR Micro-Spectrometer Optical System |
WANG Ling-fang, WEN Zhi-yu, XIANG Xian-yi |
Key Laboratory of Optoelectronic Technology and Systems of Ministry of Education, Microsystem Research Center, Chongqing University, Chongqing 400044,China |
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Abstract Based on the working principle of analyzing spectrometer and the theory of optical design, to make the system miniature, and with a certain spectral range and resolution requirements as specific design objectives, a cross-C-T micro-structure based on a plane diffraction grating spectrophotometer of the near-infrared spectrometer was put forward; ZEMAX was used for design and optimizing and simulating analysis of micro-near-infrared spectrometer in the optical system. The result showed that the micro-optical system’s spectral range was 900-1 700 nm, resolution was <10 nm, spectrum broadening was 12.74 mm, F number was 8.128 388, and the system volume was 51.26 mm×41.81 mm×22 mm, and these all satisfy the requirements. It solved the micromation of the optical system of the spectrometer, and therefore, contributed to the micromation of the spectrometer itself.
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Received: 2008-05-18
Accepted: 2008-08-22
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Corresponding Authors:
WANG Ling-fang
E-mail: crystal_angel@yeah.net;wanglin1226@126.com
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