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Proceedings Paper

Automation of temperature measurement by laser
Author(s): Yue Fei; Yangang Xi; Yuanjie Chen; Xiufang Ma; Yuanhua Shen
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Paper Abstract

Temperature measurement by laser is an advanced method for measuring the temperature of optical material in vacuum or any heat insulation situations. It is accurate, rapid, non- touching and non-contaminate. But up to now, it can only be done by manual counting the laser interference fringes, which restricts the wide application of the method. Normal fringe counter can not be used, because the whole laser spot with the fringes often moves during the heating process. Using a CCD-camera and special computer software, we developed a real-time measuring system that can track the spot automatically, and currently show the temperature-time curve. The design, feature, setup and application of this measurement system are described and discussed.

Paper Details

Date Published: 10 August 1998
PDF: 6 pages
Proc. SPIE 3558, Automated Optical Inspection for Industry: Theory, Technology, and Applications II, (10 August 1998); doi: 10.1117/12.318362
Show Author Affiliations
Yue Fei, Fudan Univ. (China)
Yangang Xi, Fudan Univ. (China)
Yuanjie Chen, Fudan Univ. (China)
Xiufang Ma, Fudan Univ. (China)
Yuanhua Shen, Fudan Univ. (China)


Published in SPIE Proceedings Vol. 3558:
Automated Optical Inspection for Industry: Theory, Technology, and Applications II
Shenghua Ye, Editor(s)

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