Heating by Optical Absorption and Cooling of High Power Laser Mirrors |
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| Authors: | Ci-Ming Zhou Zu-Hai Cheng Yu-Feng Peng |
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| Institution: | (1) State Key Laboratory of Laser Technology, Huazhong University of Science & Technology, Wuhan, Hubei, 430074, P.R. China;(2) The Institute of Information Technology, Henan Normal University, Xinxiang, Henan, 453002, P.R. China |
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| Abstract: | In high power laser system, laser mirror is the core and the most sensitive optical component, which influences the increase of laser power and the quality of laser. Absorption of light at mirrors causes wavefront distortions through the thermal deformations of substrates. The analytical solutions of the two-dimensional transient thermal theory of high power laser mirrors are developed, copious graphical results in our case are presented, and the predicted results are compared with those of the experiment. |
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| Keywords: | thermal deformation high power laser mirror |
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