Continuous-wave diode-pumped laser action of Nd3+-doped photo-thermo-refractive glass

被引：20
|
作者：
Sato, Yoichi [1 ]
Taira, Takunori [1 ]
Smirnov, Vadim [2 ]
Glebova, Larissa [2 ]
Glebov, Leonid [3 ]
机构：
[1] Natl Inst Nat Sci, Inst Mol Sci, Laser Res Ctr Mol Sci, Okazaki, Aichi 4448585, Japan
[2] OptiGrate Inc, Orlando, FL 32826 USA
[3] Univ Cent Florida, CREOL Coll Opt & Photon, Orlando, FL 32816 USA
来源：
OPTICS LETTERS | 2011年 / 36卷 / 12期
基金：
美国国家航空航天局;
关键词：
VOLUME BRAGG GRATINGS; YAG;
D O I：
10.1364/OL.36.002257
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Laser action of the photo-thermo-refractive (PTR) glass, which is the photosensitive material for holographic recording of volume Bragg gratings (VBGs), was demonstrated for the first time by introducing Nd3+. Nd:PTR glass has a bandwidth of 27.8nm and 16.0nm for luminescence and absorption, respectively. An uncoated 2mm thick Nd:PTR element generated cw laser output of 124 mW, with a slope efficiency of 25%, by laser diode pumping. This Nd:PTR glass also performed wide bandwidth laser action at 1053.9-1063.3nm, where the decrease of the pump-absorption efficiency was held off below 30%, even under a 3.5 nm shift of pump wavelength from its absorption center. (c) 2011 Optical Society of America
引用
收藏
页码：2257 / 2259
页数：3
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