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

Benxue Jiang; Zhiwei Zhao; Xiaodong Xu; Pingxin Song; Jun Xu

doi:10.1117/12.569952

26 January 2005 Study of the effects of Cr ions on Nd in self-Q-switched laser crystal Cr4+,Nd3+:Gd3Ga5O12

Benxue Jiang, Zhiwei Zhao, Xiaodong Xu, Pingxin Song, Jun Xu

Proceedings Volume 5627, High-Power Lasers and Applications III; (2005) https://doi.org/10.1117/12.569952
Event: Photonics Asia, 2004, Beijing, China

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 ⁴A₂→⁴T₁ and ⁴A₂→⁴T₂ 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.

Citation Download 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, (26 January 2005); https://doi.org/10.1117/12.569952

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