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Proceedings Paper

Optical characterizations of Nd-doped yttrium aluminum garnet ceramics
Author(s): Kunio Yoshida; N. Namikawa; Kanyoshi Ochi; Hidetsugu Yoshida; Masanobu Yamanaka; A. Ikesue; T. Kinoshita; K. Kamata
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Paper Abstract

Transparent YAG ceramics with nearly the same optical characteristics as those of a single crystal were fabricated by a solid-state reaction method using high-purity powders. The average grain size and relative density of the 1.1 at % Nd:YAG ceramics obtained were about 50 micrometers and 99.98% respectively. An oscillation experiment was performed on a cw laser by the diode laser excitation system using the fabricated ceramics. The experimental results indicated an oscillation threshold and a slope efficiency of 309 mW and 28% respectively. These values were equivalent or superior to those of 0.9 at % Nd:YAG single crystal fabricated by the Czochralski (CZ) method.

Paper Details

Date Published: 14 July 1995
PDF: 12 pages
Proc. SPIE 2428, Laser-Induced Damage in Optical Materials: 1994, (14 July 1995); doi: 10.1117/12.213758
Show Author Affiliations
Kunio Yoshida, Osaka Institute of Technology (Japan)
N. Namikawa, Osaka Institute of Technology (Japan)
Kanyoshi Ochi, Osaka Institute of Technology (Japan)
Hidetsugu Yoshida, Osaka Univ. (Japan)
Masanobu Yamanaka, Osaka Univ. (Japan)
A. Ikesue, Kurosaki Co. Ltd. (Japan)
T. Kinoshita, Kurosaki Co. Ltd. (Japan)
K. Kamata, Technological Univ. of Nagaoka (Japan)


Published in SPIE Proceedings Vol. 2428:
Laser-Induced Damage in Optical Materials: 1994
Harold E. Bennett; Arthur H. Guenther; Mark R. Kozlowski; Brian Emerson Newnam; M. J. Soileau, Editor(s)

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