YIN Wan-hong, LI Xu-dong, LI Gao-ping, LI Si-wei, LI Jie. Temperature measurement using bandpass infrared colorimetric filter[J]. Journal of Applied Optics, 2012, 33(6): 1097-1100.
Citation: YIN Wan-hong, LI Xu-dong, LI Gao-ping, LI Si-wei, LI Jie. Temperature measurement using bandpass infrared colorimetric filter[J]. Journal of Applied Optics, 2012, 33(6): 1097-1100.

Temperature measurement using bandpass infrared colorimetric filter

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  • The bandpass colorimetric filter temperature measurement theory was presented, which could accurately measure the object at medium-low temperature, meanwhile, a series of experimental facility were built up based on the theory. The facilities used were calibrated accurately and the discrete data were fitted by using numerical function, a temperature-measurement experiment was done using extended blackbody in the range of 50℃~400℃. Experiment result implies that the facility can precisely obtain the true temperature of a measured objection without the presence of target launch rate. Therefore, it proves the validity of the theory and the feasibility of the temperature-measurement system matching the theory, which plays a key role in the accurate measurement of the medium-low temperature objects.
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