光谱学与光谱分析 |
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A New Imaging FTIR Spectroradiometer |
ZONG Jing-guo, ZHANG Jian-qi, LIU De-lian, YUAN Sheng-chun |
School of Technology Physics, Xidian University,Xi’an 710071, China |
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Abstract According to the characteristic of single-element detector and non-imaging spectroradiometer, a new imaging FTIR spectroradiometer system was developed for spectral data acquisition. This system is composed of a spectroradiometer, a synchronous controller and a scanning device. Using the data interface of spectroradiometer, spectral radiometric calibration can be achieved for the system. The image resolution is 500×500 pixels, spectral range is 667-5 000 cm-1, spectral resolution is 1 cm-1, and space Field of view is 150°, Instant Field of View is 0.3°. Experiments were held for actual data acquisition and data analysis was made. The analysis result indicates that the proposed system is adequate for non-realtime imaging spectral data acquisition.
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Received: 2010-03-08
Accepted: 2010-06-20
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Corresponding Authors:
ZONG Jing-guo
E-mail: zongjg@126.com
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