Diode-pumped 1-W continuous-wave Er:YAG 3-μm laser

被引:135
作者
Chen, DW [1 ]
Fincher, CL [1 ]
Rose, TS [1 ]
Vernon, FL [1 ]
Fields, RA [1 ]
机构
[1] Aerospace Corp, Elect Technol Ctr, Photon Technol Dept, El Segundo, CA 90245 USA
关键词
D O I
10.1364/OL.24.000385
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We have demonstrated 1.15 W of Gaussianlike (M-2 = 2) cw output at 2.94 mu m from a diode laser end-pumped monolithic laser crystal composed of Er-doped yttrium aluminum garnet (YAG) bonded to undoped YAG. The laser was pumped with two polarization-coupled 2.5-W flared laser diodes that provided a 45-mu m pump waist with a low N.A. (<0.04). Output at 2.94 mu m was generated with a 34% slope efficiency and a greater-than-unity quantum efficiency. (C) 1999 Optical Society of America.
引用
收藏
页码:385 / 387
页数:3
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