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Proceedings Paper

Numerical study on mirror of high power laser with heatpipe cooling
Author(s): Jiayuan Chen; Haihong Zhu; Zuhai Cheng
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Paper Abstract

Mirror surface of high power laser would be deformed by the pressure of the coolant in a liquid cooling mirror system. In order to eliminate the impact of pressure and vibration of cooling water to the stability of the output beam, a cooling mirror with heatpipe is designed. With the same structure and conditions, solid mirror, water cooling mirror and heat pipe cooling mirror are simulated by ANSYS program. The time-varying thermal deformations of the group mirrors after 60s under the net heat absorption of 12W/cm2 are obtained. The maximal peak and valley difference value of mirror surface deformation of solid mirror along Z-axis, water cooling mirror and heat pipe cooling mirror after 60s is 1.33μm, 0.845 μm and 0.1094 μm respectively.

Paper Details

Date Published: 18 February 2009
PDF: 7 pages
Proc. SPIE 7276, Photonics and Optoelectronics Meetings (POEM) 2008: Laser Technology and Applications, 727618 (18 February 2009); doi: 10.1117/12.822659
Show Author Affiliations
Jiayuan Chen, Hua Zhong Univ. of Science and Technology (China)
Wuhan National Lab. for Optoelectronics (China)
Haihong Zhu, Hua Zhong Univ. of Science and Technology (China)
Wuhan National Lab. for Optoelectronics (China)
Zuhai Cheng, Hua Zhong Univ. of Science and Technology (China)
Wuhan National Lab. for Optoelectronics (China)


Published in SPIE Proceedings Vol. 7276:
Photonics and Optoelectronics Meetings (POEM) 2008: Laser Technology and Applications
Peixiang Lu; Katsumi Midorikawa; Bernd Wilhelmi, Editor(s)

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