Fabrication of Nd, Cr co-doped GGG thin films for a Q-switched waveguide laser by the two-target pulsed KrF laser deposition method

Sachiyo Fukaya; Tetsu Hasegawa; Yoshihisa Ishida; Minoru Obara

doi:10.1117/12.376979

1 February 2000 Fabrication of Nd, Cr co-doped GGG thin films for a Q-switched waveguide laser by the two-target pulsed KrF laser deposition method

Sachiyo Fukaya, Tetsu Hasegawa, Yoshihisa Ishida, Minoru Obara

Author Affiliations +

Proceedings Volume 3885, High-Power Laser Ablation II; (2000) https://doi.org/10.1117/12.376979
Event: Advanced High-Power Lasers and Applications, 1999, Osaka, Japan

Abstract

The Nd³⁺,Cr⁴⁺ co-doped GGG epitaxial thin films for self Q-switched waveguide laser has been fabricated by a two-target pulsed laser deposition method. Concentrations of Nd and Cr ion in Nd,Cr:GGG thin films are well adjusted by changing laser ablation fluences independently for Nd:GGG and Cr,Ca:GGG sintered targets. The structure of Nd,Cr:GGG thin films on YAG substrate shows a planar waveguide structure. It is confirmed that Nd³⁺ and Cr⁴⁺ ions are optically active as laser active ions and saturable absorbers around 1.06 micrometers .

Citation Download Citation

Sachiyo Fukaya, Tetsu Hasegawa, Yoshihisa Ishida, and Minoru Obara "Fabrication of Nd, Cr co-doped GGG thin films for a Q-switched waveguide laser by the two-target pulsed KrF laser deposition method", Proc. SPIE 3885, High-Power Laser Ablation II, (1 February 2000); https://doi.org/10.1117/12.376979

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