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

页码：939 / 941

页数：3

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