Efficient energy transfer between Ce3+ and Nd3+ in cerium codoped Nd: YAG laser quality transparent ceramics

被引：35

作者：

Samuel, P. ^{[1
,2
]}

Yanagitani, T. ^{[3
]}

Yagi, H. ^{[3
]}

Nakao, H. ^{[2
]}

Ueda, Ken Ichi ^{[2
]}

Babu, S. Moorthy ^{[1
]}

机构：

[1] Anna Univ, Ctr Crystal Growth, Madras 600025, Tamil Nadu, India

[2] Univ Electrocommun, Inst Laser Sci, Chofu, Tokyo 1828585, Japan

[3] Konoshima Chem Co Ltd, Konoshima Takuma Works, Kagawa 7691103, Japan

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2010年 / 507卷 / 02期

关键词：

Transparent ceramics; Optical properties; Cross-energy transfer; Laser oscillation; OPTICAL-PROPERTIES; FABRICATION;

D O I：

10.1016/j.jallcom.2010.07.207

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Transparent laser quality cerium codoped Nd: YAG ceramics were prepared using nanotechnology assisted ceramic preparation technique. The sample shows a very good transparency with a strong absorption peaks corresponding to Ce and Nd ions. Lasing oscillation was observed at IR laser wavelength of Nd emission with a maximum slope efficiency of 17.6%. Cross-energy transfer mechanism between these two ions was analyzed using 407 nm laser diode. Quantum yield of both the ions was calculated with an integrating sphere and UV-laser diode and the results were compared with Nd: YAG ceramics. The results show the efficient energy transfer between Ce3+ and Nd3+ and the transfer mechanism has been explained with the energy level diagrams. (C) 2010 Elsevier By. All rights reserved.

引用

页码：475 / 478

页数：4

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