Near-field analysis of misaligned CO2 laser of two-dimension axisymmetric-fold combination cavity

YAN Ting-guang; LI Yu-de; XIAO Feng-xia; LIU Xian-kui; GAO Ke; FENG Tao

Under the condition of small angle misalignment,the effecton output beam's near-field distribution of CO2 lasers with two-dimensional axisymmetric-fold combination cavity was ascertained after analyzing and simulating beams combination output based on the axis determination of misaligned plano-concave and concave-plano-concave cavity resonator.The results showed that at small angle misalignment,the effect on near-field within 4cm was un-conspicuous and the light intensity was still at Gaussian distribution,and that out of the 4cm area,the effect became obvious with the misalignment angle.These results showed that the effect on near-field with 4cm was more practically.

Corresponding author: LI Yu-de, liyude15@yahoo.com.cn;

1. School of Electronic and Information Science, Sichuan University, Chengdu 610064, China

Received Date: 2007-05-08

Accepted Date: 2007-10-22

Available Online: 2008-08-25

Abstract: Under the condition of small angle misalignment,the effecton output beam's near-field distribution of CO2 lasers with two-dimensional axisymmetric-fold combination cavity was ascertained after analyzing and simulating beams combination output based on the axis determination of misaligned plano-concave and concave-plano-concave cavity resonator.The results showed that at small angle misalignment,the effect on near-field within 4cm was un-conspicuous and the light intensity was still at Gaussian distribution,and that out of the 4cm area,the effect became obvious with the misalignment angle.These results showed that the effect on near-field with 4cm was more practically.

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Reference (15)

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Near-field analysis of misaligned CO2 laser of two-dimension axisymmetric-fold combination cavity

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