为解决大功率溴化亚铜激光放电管中声共振造成的输出功率不稳定问题,通过数值分析的方法给出了溴化亚铜激光放电管内径向声波振动的数学模型,并获得了激光放电管内声波径向驻波分布的解析表达式,分析了放电频率与激光管固有频率的关系,明确了声共振是导致激光介质重新分布并对输出功率产生影响的原因.由此得出结论:寻求一个在声共振本征基频附近的放电频率,并且能够使激光器稳定工作,是提高激光输出功率及提高激光器效率的一种有效手段.
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