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Proceedings Paper

Study of the effects of Cr ions on Nd in self-Q-switched laser crystal Cr4+,Nd3+:Gd3Ga5O12
Author(s): Benxue Jiang; Zhiwei Zhao; Xiaodong Xu; Pingxin Song; Jun Xu
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Paper Abstract

In this paper, the absorption and Fluorescence spectra of Cr4+,Nd3+:GGG (Cr,Nd:GGG) crystal, Nd:GGG crystal and Cr4+:GGG crystal are reported. In the absorption spectra there are big absorption bands at 400 and 520nm, which correspond to the 4A24T1 and 4A24T2 transitions. The luminescent spectra of Cr,Nd:GGG and Nd:GGG show that the luminescent center of Cr,Nd:GGG is at 1.062um, but the intensity is 6 times lower than that of Nd:GGG. The luminescent lifetimes of Cr,Nd:GGG is shorter than that of Nd:GGG. These may be caused by the existence of ground state absorption of Cr4+ which quenches the Nd3+ emission intensity. These Cr,Nd:GGG crystals may be potential materials for compact, efficient, high stability diode- laser-pumped passive Q-switched solid state laser.

Paper Details

Date Published: 26 January 2005
PDF: 5 pages
Proc. SPIE 5627, High-Power Lasers and Applications III, (26 January 2005); doi: 10.1117/12.569952
Show Author Affiliations
Benxue Jiang, Shanghai Institute of Optics and Fine Mechanics, CAS (China)
Graduate School of the Chinese Academy of Sciences (China)
Zhiwei Zhao, Shanghai Institute of Optics and Fine Mechanics, CAS (China)
Xiaodong Xu, Shanghai Institute of Optics and Fine Mechanics, CAS (China)
Graduate School of the Chinese Academy of Sciences (China)
Pingxin Song, Shanghai Institute of Optics and Fine Mechanics, CAS (China)
Graduate School of the Chinese Academy of Sciences (China)
Jun Xu, Shanghai Institute of Optics and Fine Mechanics, CAS (China)


Published in SPIE Proceedings Vol. 5627:
High-Power Lasers and Applications III
Dianyuan Fan; Ken-ichi Ueda; Jongmin Lee, Editor(s)

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