Optical characterizations of Nd-doped yttrium aluminum garnet ceramics

Kunio Yoshida; N. Namikawa; Kanyoshi Ochi; Hidetsugu Yoshida; Masanobu Yamanaka; A. Ikesue; T. Kinoshita; K. Kamata

doi:10.1117/12.213758

14 July 1995 Optical characterizations of Nd-doped yttrium aluminum garnet ceramics

Kunio Yoshida, N. Namikawa, Kanyoshi Ochi, Hidetsugu Yoshida, Masanobu Yamanaka, A. Ikesue, T. Kinoshita, K. Kamata

Proceedings Volume 2428, Laser-Induced Damage in Optical Materials: 1994; (1995) https://doi.org/10.1117/12.213758
Event: Laser-Induced Damage in Optical Materials: 1994, 1994, Boulder, CO, United States

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.

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Kunio Yoshida, N. Namikawa, Kanyoshi Ochi, Hidetsugu Yoshida, Masanobu Yamanaka, A. Ikesue, T. Kinoshita, and K. Kamata "Optical characterizations of Nd-doped yttrium aluminum garnet ceramics", Proc. SPIE 2428, Laser-Induced Damage in Optical Materials: 1994, (14 July 1995); https://doi.org/10.1117/12.213758

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