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Proceedings Paper

Study on folded resonator of high power transverse flow CO2 laser
Author(s): Yingxiong Qin; Xiahui Tang; Juan Liu; Hao Peng; Qiansong Deng
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Paper Abstract

A numerical model of the folded resonator is founded by using the eigenvector method. The beam characteristics and relative amplitude distribution of dominant mode of the N-shaped three-folded resonator with different aperture diameter are obtained by numerical simulation. The experiment of the resonator is done on HUST5000 high power transverse flow CO2 laser. The results show that the mode volume of the N-shaped three-folded resonator with the aperture diameter of 25mm can match the gain zone of the transverse flow CO2 laser well, the output power and beam mode are fit for industrial applications. The laser welding system based on this resonator is developed for gas generator of automobile safety airbag.

Paper Details

Date Published: 21 October 2009
PDF: 6 pages
Proc. SPIE 7515, Photonics and Optoelectronics Meetings (POEM) 2009: Industry Lasers and Applications, 75150L (21 October 2009); doi: 10.1117/12.843426
Show Author Affiliations
Yingxiong Qin, Huazhong Univ. of Science and Technology (China)
Xiahui Tang, Huazhong Univ. of Science and Technology (China)
Juan Liu, Huazhong Univ. of Science and Technology (China)
Hao Peng, Huazhong Univ. of Science and Technology (China)
Qiansong Deng, Huazhong Univ. of Science and Technology (China)


Published in SPIE Proceedings Vol. 7515:
Photonics and Optoelectronics Meetings (POEM) 2009: Industry Lasers and Applications
Dianyuan Fan; Horst Weber; Xiao Zhu; Dongsheng Jiang; Xiaochun Xiao; Weiwei Dong; Desheng Xu, Editor(s)

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