Determination of an optimal five-gas combination in a sealed-off CO2 laser |
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| Authors: | C. Cheng |
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| Affiliation: | (1) Department of Applied Physics, Zhejiang University of Technology, Hangzhou 310032, P.R. China, CN;(2) Centre for Optical and Electromagnetic Research, State Key Laboratory for Modern Optical Instrumentation, Zhejiang University, Hangzhou 310027, P.R. China, CN |
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| Abstract: | For obtaining the maximal output power, five lasing gas mixtures (CO2, N2, He, Xe and H2) in a sealed-off CO2 laser are optimized by applying a genetic algorithm and solving CO2 laser kinetics equations. A comparison of numerical simulations shows that the optimal pressures of CO2 and N2 are 1.15 Torr and 7.32 Torr, respectively. Accordingly, the maximum laser power of 124 W is obtained by utilizing the optimal gas combination and an optimized resonator with a length of 1.2 m. Received: 14 August 2002 / Published online: 22 January 2003 The project supported by Zhejiang Provincial Natural Science Foundation of China (No. 602098). RID="*" ID="*"Corresponding author. Fax: +86-571/8832-0369, E-mail: chengch@mail.hz.zj.cn |
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| Keywords: | PACS: 42.55.Lt |
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