Laser diode beam shaping with GRIN lenses using the twisted beam approach and its application in pumping of a solid-state laser

被引：9

作者：

Johansson, Sandra ^{[1
]}

Pasiskevicus, VaIdas

Laurell, Fredrik

Hansson, Renee

Ekvall, Katrin

机构：

[1] Royal Inst Technol, Dept Phys, S-10691 Stockholm, Sweden

[2] Cobalt AB, S-10405 Stockholm, Sweden

来源：

OPTICS COMMUNICATIONS | 2007年 / 274卷 / 02期

关键词：

D O I：

10.1016/j.optcom.2007.02.055

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We report a novel beam shaping method for laser diodes based on the concept of twisted Gaussian Schell-model beams using GRIN lenses. This method enables a more symmetric pump as well as a compact setup for pumping of solid-state lasers. In the experiment with a standard 2 W diode, the beam quality factors in the two orthogonal directions were equalized to M-x(2) approximate to 24 and M-y(2) approximate to 18, respectively, which pumped an intra-cavity frequency-doubled Nd:YAG laser at 946 run with an output of 28 mW at 473 nm. (C) 2007 Elsevier B.V. All rights reserved.

引用

页码：403 / 406

页数：4

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