CO2激光器五种混合气体压强优化
Optimization of five gas admixtures in a CO2 laser
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摘要: 应用遗传算法,以输出激光功率为目标函数,优化确定了普通CO2激光器五种工作气体（CO2, N2, He, Xe, H2）的最佳充气量。对1.2m长谐振腔,在15kV放电条件下,优化的充气量分别为pCO2=1.15×133.3Pa, pN2=7.32×133.3Pa, pHe=12.95×133.3Pa, pXe=0.36×133.3Pa和pH2=0.01×133.3Pa。优化后激光功率比未优化前可提高1.27倍。Abstract: Five gas components (CO2, N2, He, Xe and H2) in a CO2 laser are optimized by applying a genetic algorithm and taking the laser power as an objective function. With a resonator of 1.2ml ength and constant discharge voltage of 15kV, the laser power increases by 1.27 times after the optimization with the optimized gas pressures of 1. 15×133.3Pa for CO2, 7.32×133.3Pa for N2, 12.95×133.3Pa for He, 0.36×13 3.3Pa for Xe and 0.01×133.3Pa for H2 respeotively.
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Key words:
- co2 laser /
- fiveg as admixtures /
- optimization /
- genetic algorithm
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