高效紧凑室温Yb:YAG 板条全固态激光技术研究  

High efficiency and compact Yb:YAG slab all-solid-state laser at room temperature

作　　者：高清松[1,2] 周唐建[1,2] 尚建力[1,2] 汪丹[1,2] 李密[1,2] 邬映臣[1,2] 王君涛[1,2] 王亚楠 徐浏[1,2] 杜应磊[1,2] 陈小明[1,2] 张凯[1,2] 唐淳[1,2] Gao Qingsong;Zhou Tangjian;Shang Jianli;Wang Dan;Li mi;Wu Yingchen;Wang Juntao;Wang Ya’nan;Xu Liu;Du Yinglei;Chen Xiaoming;Zhang Kai;Tang Chun(Institute of Applied Electronics,CAEP,Mianyang 621900,China;Key Laboratory of High-energy Laser Science and Technology,CAEP,Mianyang 621900,China)

机构地区：[1]中国工程物理研究院应用电子学研究所,四川绵阳621900 [2]中国工程物理研究院高能激光科学与技术重点实验室,四川绵阳621900

出　　处：《强激光与粒子束》2020年第12期109-113,共5页High Power Laser and Particle Beams

基　　金：国家自然科学基金项目(61705209)。

摘　　要：报道了高效紧凑室温Yb:YAG板条全固态激光研究进展。建立了室温Yb板条激光动力学模型,分析了泵浦激光通量和注入激光亮度与光光效率的关系,以及板条边缘效应抑制方法。实验获得了输出功率22.3 kW、光光效率36%和光束质量优于2.4倍衍射极限的激光输出,为更高功率的Yb板条激光关键技术研究及开发小型化、轻量化、实用化的高功率激光器奠定了基础。This paper presents the research progress of high efficiency and compact all-solid-state lasers based on Yb:YAG slab at room temperature.The laser dynamics model of Yb slab at room temperature is established.It is quantitatively analysed that the pumped laser intensity and the injected laser brightness influence the optical conversion efficiency.The method to suppress the slab-edge-effect is founded.The output power of 22.3 kW,the optical conversion efficiency of 36%,and the beam quality of 2.4 times diffraction limit,were achieved in experiment.These results lay a foundation for the key technology research of higher power laser and development of the miniaturized,lightweight and practical high power Yb slab laser.

关 键 词：激光技术 固体激光 板条激光 光束质量 

分 类 号：TN248.1[电子电信—物理电子学]