Abstract
为分析CO2激光9R波段输出谱线特性,满足激光与物质相互作用的需求,首先利用镀膜选支技术使高功率TEA CO2激光器只输出9R波段的激光。然后,通过单脉冲放电试验,利用CO2激光谱线分析仪分析9R波段CO2激光谱线的波长和谱线数量,并利用能量计分析每支谱线在单脉冲能量中所占的比例。通过改变输出镜的透过率、全反射镜的曲率半径以及工作气体的比例,分析CO2激光9R波段输出谱线在波长、数量以及能量比例方面的变化。试验结果表明,CO2激光在9R波段同时输出了多条相邻较近的谱线,并且这些谱线随激光器输出镜透过率、全反射镜曲率半径和气体比例的变化而变化。
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