提高RF激励波导CO_2激光器特性的新型结构研究  

A study on the new structure of the RF-excited all-metal waveguide CO_2

作　　者：刘玉华[1] 

机构地区：[1]佛山科学技术学院物理系,广东佛山528000

出　　处：《西北大学学报（自然科学版）》2011年第1期30-32,共3页Journal of Northwest University（Natural Science Edition）

基　　金：广东省自然科学基金资助项目(9151022002000009);佛山市科技发展专项基金资助项目(2009010)

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。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.

关 键 词：RF激励 N型折叠结构 波导CO2激光器 内循环水冷系统 

分 类 号：TN23[电子电信—物理电子学]