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Proceedings Paper

Helium-free transverse-flow CO2 laser excited by high frequency
Author(s): Tao Chen; Junlin Qiu; Xianjun Wong; Yihong Chen; Zhiwei Gong; Peifeng Chen; Zhong Tang; Qiyang Xu
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Paper Abstract

High frequency excitation is increasingly substituting for dc discharge excitation of the high power CO2 laser, in general, a great quantity of helium is applied in a common high power CO2 laser. In order to reduce the operation cost of CO2 laser, a helium-free transverse flow CO2 laser excited by high frequency has been researched. In this paper, some of the investigations of discharge characteristic and output characteristic are presented. It is shown that, under our experimental condition substituting Ar for He in the CO2 laser, the maximum input discharge power density is stable up to about 21 W/cm3, the output laser power and photoelectric efficiency are 600 W and 13%.

Paper Details

Date Published: 11 May 1993
PDF: 4 pages
Proc. SPIE 1979, 1992 International Conference on Lasers and Optoelectronics, (11 May 1993); doi: 10.1117/12.144102
Show Author Affiliations
Tao Chen, Huazhong Univ. of Science and Technology (China)
Junlin Qiu, Huazhong Univ. of Science and Technology (China)
Xianjun Wong, Huazhong Univ. of Science and Technology (China)
Yihong Chen, Huazhong Univ. of Science and Technology (China)
Zhiwei Gong, Huazhong Univ. of Science and Technology (China)
Peifeng Chen, Huazhong Univ. of Science and Technology (China)
Zhong Tang, Huazhong Univ. of Science and Technology (China)
Qiyang Xu, Huazhong Univ. of Science and Technology (China)


Published in SPIE Proceedings Vol. 1979:
1992 International Conference on Lasers and Optoelectronics

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