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.
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Received: 14 August 2002 / Published online: 22 January 2003
The project supported by Zhejiang Provincial Natural Science Foundation of China (No. 602098).
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Cheng, C. Determination of an optimal five-gas combination in a sealed-off CO2 laser . Appl Phys B 76, 27–32 (2003). https://doi.org/10.1007/s00340-002-1064-8
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DOI: https://doi.org/10.1007/s00340-002-1064-8