Fabrication and laser performance of polycrystal and single crystal Nd:YAG by advanced ceramic processing

被引：82

作者：

Ikesue, A.

Aung, Yan Lin

Yoda, T.

Nakayama, S.

Kamimura, T.

机构：

[1] World Lab Co Ltd, Japan Fine Ceram Ctr, Atsuta Ku, Nagoya, Aichi 4568587, Japan

[2] Optoquest Co Ltd, Ina, Saitama 3620021, Japan

[3] Niihama Natl Coll Technol, Dept Appl Chem & Biotechnol, Niihama, Ehime 7928580, Japan

[4] Osaka Inst Technol, Dept Elect Informat & Commun Engn, Asahi Ku, Osaka 5358585, Japan

来源：

OPTICAL MATERIALS | 2007年 / 29卷 / 10期

关键词：

D O I：

10.1016/j.optmat.2005.12.013

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We report the first demonstration of polycrystalline Nd-doped YAG ceramics with almost perfect pore-free structure and Nd-doped YAG single crystal by advanced ceramic processing. The laser conversion efficiency of pore-free polycrystalline Nd:YAG ceramics is extremely high and its optical quality is comparable to that of commercial high quality Nd:YAG single crystal. Moreover, we have succeeded also in fabrication of Nd:YAG single crystal, which enables laser oscillation, by solid-state reaction method. Laser oscillation efficiency was very low when the pores were remained inside single crystal, however the laser oscillation efficiency of pore-free Nd:YAG single crystal was slightly higher than that of polycrystalline Nd:YAG ceramics having grain boundaries. From this fact, it was found that the optical scattering inside the Nd:YAG ceramics occurs mainly at the residual pores and the scattering at the grain boundary is very little. In addition, we confirmed that high concentration Nd:YAG single crystal can be fabricated by sintering method. (c) 2006 Elsevier B.V. All rights reserved.

引用

页码：1289 / 1294

页数：6

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