Asymmetrical thermal distortion of the
output window in a CO2 laser  

Chen Peifeng, Qiu Junlin, Gong Zhiwei Tang Zhonghua, Chen Yihong, Chen Tao
Laser Institute Huazhong University of Science and Technology Wuhan, China  

ABSTRACT:
 
The asymmetric thermal distortion of output window of high power CO2 lasers and its causes, as well as the resonator misalignment, a consequence of this kind of distortion, were investigated both theoretically and experimentally in this paper. A preliminary theoretical explanation of the misalignment was given, which reminded the importance of the realisation of uniform cooling.
 
Reprinted from Laser Journal, Vol. 15, No.  3 (1994), 113-116, 124

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