【摘要】 目的探索提高RF激励全金属波导CO2激光器性能的新型结构。方法波导管采取N型结构,并利用铝合金静近成型技术和数控加工技术加工激光腔体。结果对长度为380 mm的新型器件进行了实验研究,获得了波长为10.6μm,功率大于38W的基模激光输出,其稳定性小于±3%/h,光电转换效率为12.7%。结论该新型结构有利于提高RF激励全金属波导CO2激光器的性能,并且主体精度高,表面光洁度好,结构尺寸一致,便于产品化生产。更多还原

【Abstract】 Aim The article presents a new structure of a RF-excited all-metal waveguide CO2 laser.Methods Wave guide applies NC machining technique and Shizuchika Molding process in laser cavity.Results The experimental study on the 380mm laser has obtained a 10.6 μm fundamental mode laser output,which carries an output power greater than 38W and has a 12.7% photoelectricity transition efficiency with a stability as less than ±3%/h.Conclusion NC machining technique and Shizuchika Molding process in laser cavity,can achieve high accuracy,a well-polished surface and a stable size of the laser,make it possible for mass production.更多还原