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Proceedings Paper

Effect of resonator thermal deformation on focusing characteristics and the compensation for a high-power CO2 laser
Author(s): Haijun Gao; Zhaogu Cheng; Quanzhong Zhao; Yingqi Huang
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Paper Abstract

Research on change of Rayleigh range ZR of output beams and effect of focusing characteristics caused by the dynamic process of resonator deformation especially for the HR coupler in high power CO2 Laser is given in this paper. An adaptive optics system which can compensates the change of Rayleigh range ZR was used. The real-time control of focus position was achieved.

Paper Details

Date Published: 3 March 2003
PDF: 4 pages
Proc. SPIE 4831, First International Symposium on High-Power Laser Macroprocessing, (3 March 2003); doi: 10.1117/12.497938
Show Author Affiliations
Haijun Gao, Shanghai Institute of Optics and Fine Mechanics (China)
Zhaogu Cheng, Shanghai Institute of Optics and Fine Mechanics (China)
Quanzhong Zhao, Shanghai Institute of Optics and Fine Mechanics (China)
Yingqi Huang, Quanzhou Normal College (China)


Published in SPIE Proceedings Vol. 4831:
First International Symposium on High-Power Laser Macroprocessing
Isamu Miyamoto; Kojiro F. Kobayashi; Koji Sugioka; Reinhart Poprawe; Henry Helvajian, Editor(s)

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