Nd:YAG slab laser end-pumped by laser-diode stacks and its beam shaping

被引：22

作者：

Du, KM

Liao, Y

Loosen, P

机构：

[1] Fraunhofer Inst. fur Lasertechnik, 52074 Aachen

[2] Shanghai Inst. Opt. Fine Mechnics, Chinese Academy of Science, Shanghai

来源：

OPTICS COMMUNICATIONS | 1997年 / 140卷 / 1-3期

关键词：

slab laser; diode-end-pumping; polarization; beam shaping;

D O I：

10.1016/S0030-4018(97)00142-9

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

An efficient high power cw Nd:YAG slab laser, partially end-pumped by diode laser stacks, and a novel beam shaping technique are reported in this paper. The optical efficiency amounted to 44% and the slope efficiency to 55%. Introducing an intracavity Brewster plate to polarize the laser beam, an optical efficiency of 35% and a slope efficiency of 41% was obtained. The output beam was rectangular and the beam quality asymmetric in two orthogonal directions. To equalize the beam quality, a step mirror beam shaping technique was introduced. The beam shaping technique and the results obtained with it are discussed in this paper. (C) 1997 Elsevier Science B.V.

引用

页码：53 / 56

页数：4

共 9 条

[1]

BIBEAU C, CLEO 96 AN

[2] Efficient Nd:YAG laser end pumped by a 20-W diode-laser bar [J].