Measuring the high-power CO2 laser space parameter by use of computer processing organic-glass burning mark

Jinhe Liu; Shujuan Gao; Wanqian Hu; Xianhong Hu

doi:10.1117/12.361184

8 September 1999 Measuring the high-power CO₂ laser space parameter by use of computer processing organic-glass burning mark

Jinhe Liu, Shujuan Gao, Wanqian Hu, Xianhong Hu

Author Affiliations +

Proceedings Volume 3862, 1999 International Conference on Industrial Lasers; (1999) https://doi.org/10.1117/12.361184
Event: International Symposium on Industrial Lasers, 1999, Wuhan, China

Abstract

In this research, the method of computer processing organic- glass burning-mark is used to measure the high power CO₂ laser mode and space parameters (beam diameter, beam waist diameter, beam quality factor and divergence angle). The graphs of intensity distribution in cross-section of beam and its magnitude contours are given out. The results indicate that the output mode of some a import 5 kW transverse CO₂ laser is non-symmetric Laguerre-Gauss beam which is mainly consisted of TEM₀₂, TEM₂₀ and TEM₀₃, whose center region intensity is less than adjacency intensity, the size of the center bright spot is bigger, the distribution of power density is relatively uniform.

Citation Download Citation

Jinhe Liu, Shujuan Gao, Wanqian Hu, and Xianhong Hu "Measuring the high-power CO₂ laser space parameter by use of computer processing organic-glass burning mark", Proc. SPIE 3862, 1999 International Conference on Industrial Lasers, (8 September 1999); https://doi.org/10.1117/12.361184

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