Effect of resonator thermal deformation on focusing characteristics and the compensation for a high-power CO2 laser

Haijun Gao; Zhaogu Cheng; Quanzhong Zhao; Yingqi Huang

doi:10.1117/12.497938

3 March 2003 The effect of resonator thermal deformation on focusing characteristics and the compensation for a high power CO₂ laser

Haijun Gao, Zhaogu Cheng, Quanzhong Zhao, Yingqi Huang

Author Affiliations +

Proceedings Volume 4831, First International Symposium on High-Power Laser Macroprocessing; (2003) https://doi.org/10.1117/12.497938
Event: LAMP 2002: International Congress on Laser Advanced Materials Processing, 2002, Osaka, Japan

Abstract

Research on change of Rayleigh range Z_R 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 Z_R was used. The real-time control of focus position was achieved.

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Haijun Gao, Zhaogu Cheng, Quanzhong Zhao, and Yingqi Huang "The effect of resonator thermal deformation on focusing characteristics and the compensation for a high power CO₂ laser", Proc. SPIE 4831, First International Symposium on High-Power Laser Macroprocessing, (3 March 2003); https://doi.org/10.1117/12.497938

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