| 光谱学与光谱分析 |
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| Research on the Near-Infrared Spectrometer System |
| XIANG Xian-yi1, 2, 3,WEN Zhi-yu1, 2, LONG Zai-chuan1, 2, HONG Ming-jian1, 2, LIANG Yu-qian1, 2,XU Yi1, 2 |
1. Key Laboratory of Optoelectronic Technology and System of the Ministry of Education, Chongqing University, Chongqing 400030，China
2. Micro-system Research Center of Chongqing University, Chongqing 400030，China
3. Institute of Optics and Electronics，Chinese Academy of Sciences，Chengdu 610209，China |
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Abstract Near-infrared spectrometer is the integration of spectrum test technology, stoichiometry technology and computer technology. In the present paper, based on effective food ingredients and non-invasive quantitative detection，the development process of the micro-near-infrared spectrometer system was introduced. Spectrometer is the basis of the system. This paper focuses on the development of the micro-near-infrared spectrometer applicable to on-line real-time testing. A micro-near-infrared spectrometer prototype was developed successfully，its main technical parameter was tested, and the result shows: its operating wavelength is: 850-1 690 nm, optical resolution is: less than 10 nm, and its performance has achieved the level of the congener foreign products. Stoichiometric technology and computer technology is the core of the system. LS-LWR modeling methods were proposed. Finally, the quantitative test for glucose water solution using the micro-near-infrared spectrometer shows that the correlation coefficient of prediction model is 0.995, and the corresponding RMSEP is 0.06.
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Received: 2008-03-08
Accepted: 2008-06-12
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Corresponding Authors:
XIANG Xian-yi
E-mail: xxy@mail.sdu.edu.cn
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