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Proceedings Article

Study of the effects of Cr ions on Nd in self-Q-switched laser crystal Cr4+,Nd3+:Gd3Ga5O12

[+] Author Affiliations
Benxue Jiang, Xiaodong Xu, Pingxin Song

Shanghai Institute of Optics and Fine Mechanics, CAS (China) and Graduate School of the Chinese Academy of Sciences (China)

Zhiwei Zhao, Jun Xu

Shanghai Institute of Optics and Fine Mechanics, CAS (China)

Proc. SPIE 5627, High-Power Lasers and Applications III, 167 (February 28, 2005); doi:10.1117/12.569952
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From Conference Volume 5627

  • High-Power Lasers and Applications III
  • Dianyuan Fan; Ken-ichi Ueda; Jongmin Lee
  • Beijing, China | November 08, 2004

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.

© (2005) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Benxue Jiang ; Zhiwei Zhao ; Xiaodong Xu ; Pingxin Song and Jun Xu
"Study of the effects of Cr ions on Nd in self-Q-switched laser crystal Cr4+,Nd3+:Gd3Ga5O12", Proc. SPIE 5627, High-Power Lasers and Applications III, 167 (February 28, 2005); doi:10.1117/12.569952; http://dx.doi.org/10.1117/12.569952


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