Optical properties and laser characteristics of highly Nd3+-doped Y3Al5O12 ceramics

被引：166
|
作者：
Shoji, I
Kurimura, S
Sato, Y
Taira, T
Ikesue, A
Yoshida, K
机构：
[1] Inst Mol Sci, Laser Res Ctr Mol Sci, Okazaki, Aichi 4448585, Japan
[2] Japan Fine Ceram Ctr, Atsuta Ku, Nagoya, Aichi 4568587, Japan
[3] Osaka Inst Technol, Inst Laser Engn, Asahi Ku, Osaka 5358585, Japan
来源：
APPLIED PHYSICS LETTERS | 2000年 / 77卷 / 07期
关键词：
D O I：
10.1063/1.1289039
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Diode-pumped laser oscillation in highly Nd3+-doped polycrystalline Y3Al5O12 (YAG) ceramics has been demonstrated. The Nd:YAG ceramics are highly transparent; the loss of a 2.3 at. % neodymium-doped ceramic is as low as that of a 0.9 at. % Nd:YAG single crystal. The high doping of Nd3+ ions realizes large pump absorption; a 6.6 at. %-doped ceramic has an absorption coefficient of 60.4 cm(-1) at 808 nm. The same concentration quenching parameter is obtained between the Nd:YAG ceramics and Nd:YAG single crystals. A laser using an 847-mu m-thick 3.4 at. % Nd:YAG ceramic as a gain medium operates at 2.3 times higher output power than the same laser with a 719-mu m-thick 0.9 at. % Nd:YAG single-crystal gain medium. (C) 2000 American Institute of Physics. [S0003-6951(00)03233-2].
引用
收藏
页码：939 / 941
页数：3
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