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Proceedings Paper

Time constant measurement of thermocouple by use of modulated laser
Author(s): Lina Hao; Xiaojian Hao; Sanping Jiang; Hanchang Zhou; Liang Huang
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Paper Abstract

A new time constant measurement means of the surface temperature sensor is proposed, in which a high frequency modulated high power CO2 laser acts as the driving source. The measurement system is designed and practiced in thermocouples with different temperature ranges. It is proved that the system can be used to measure transient surface temperature sensor which be with a time response from the sub-millisecond level to the second level, and the temperature provided by the driving source can range from the room temperature to the high temperature.

Paper Details

Date Published: 22 October 2010
PDF: 8 pages
Proc. SPIE 7658, 5th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optoelectronic Materials and Devices for Detector, Imager, Display, and Energy Conversion Technology, 765814 (22 October 2010); doi: 10.1117/12.867249
Show Author Affiliations
Lina Hao, North Univ. of China (China)
Xiaojian Hao, North Univ. of China (China)
Sanping Jiang, North Univ. of China (China)
Hanchang Zhou, North Univ. of China (China)
Liang Huang, North Univ. of China (China)


Published in SPIE Proceedings Vol. 7658:
5th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optoelectronic Materials and Devices for Detector, Imager, Display, and Energy Conversion Technology
Yadong Jiang; Bernard Kippelen; Junsheng Yu, Editor(s)

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