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Proceedings Paper

Thermal effect in laser-HgCdTe interaction
Author(s): JianHua Zhao; Xiangyang Li; Hua Liu; Runqing Jiang; Zhaopeng Liu; Zhihan Hu; Haimei Gong; Jiaxiong Fang
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Paper Abstract

A two-dimensional thermal conducting model which deals with the thermal diffusion in continuous wave (cw) laser processing of material is presented in this paper. The temperature distribution during the interaction between HgCdTe and cw carbon dioxide laser is calculated using numerical method. Experiment is carried out to measure the damage threshold of HgCdTe with cw CO2 laser. The apparent damage temperature threshold, 670 - 680 K is obtained which corresponds to the solid-solid phase transition of HgCdTe. All the calculations are in good agreement with the experimental results.

Paper Details

Date Published: 26 October 1998
PDF: 9 pages
Proc. SPIE 3436, Infrared Technology and Applications XXIV, (26 October 1998); doi: 10.1117/12.327997
Show Author Affiliations
JianHua Zhao, Shandong Univ. (China)
Xiangyang Li, Shandong Univ. (China)
Hua Liu, Shandong Univ. (China)
Runqing Jiang, Shandong Univ. (China)
Zhaopeng Liu, Shandong Univ. (China)
Zhihan Hu, Shandong Univ. (China)
Haimei Gong, Shanghai Institute of Technical Physics (China)
Jiaxiong Fang, Shanghai Institute of Technical Physics (China)

Published in SPIE Proceedings Vol. 3436:
Infrared Technology and Applications XXIV
Bjorn F. Andresen; Marija Strojnik, Editor(s)

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