Share Email Print
cover

Optical Engineering • new

Influence of Cr3+ concentration on the spectroscopy and laser performance of Cr,Er:YSGG crystal
Author(s): Zhongqing Fang; Dunlu Sun; Jianqiao Luo; Huili Zhang; Xuyao Zhao; Cong Quan; Maojie Cheng; Qingli Zhang; Shaotang Yin
Format Member Price Non-Member Price
PDF $20.00 $25.00
cover GOOD NEWS! Your organization subscribes to the SPIE Digital Library. You may be able to download this paper for free. Check Access

Paper Abstract

Cr,Er:YSGG ( Y 3 Sc 2 Ga 3 O 12 ) crystals with 30 at. % Er 3 + and two different concentrations of Cr 3 + ions were grown by the Czochralski method. The spectra show the absorption coefficients at 450 and 654 nm and the fluorescence intensity at 2794 nm for 3 at. % Cr,Er:YSGG which are larger than those of 2 at. % Cr,Er:YSGG. A maximum pulse energy 1151.0 mJ operated at 5 Hz and 2.79    μ m is obtained on the 3 at. % Cr,Er:YSGG crystal, corresponding to electrical-to-optical efficiency of 1.40%, slope efficiency of 1.71%, and threshold of 8.6 J. Under the same conditions, the values are 1029.8 mJ, 1.23%, 1.50%, and 12.6 J for 2 at. % Cr,Er:YSGG, respectively. Therefore, the 3 at. % Cr,Er:YSGG exhibits a larger output energy, higher laser efficiency, and lower pumping threshold. These results suggest that the laser performance of the Cr,Er:YSGG crystal can be improved by further optimizing the doping ions concentration and pumping parameters.

Paper Details

Date Published: 30 October 2017
PDF: 6 pages
Opt. Eng. 56(10) 107111 doi: 10.1117/1.OE.56.10.107111
Published in: Optical Engineering Volume 56, Issue 10
Show Author Affiliations
Zhongqing Fang, Anhui Institute of Optics and Fine Mechanics (China)
Univ. of Science and Technology of China (China)
Chinese Academy of Sciences (China)
Dunlu Sun, Anhui Institute of Optics and Fine Mechanics (China)
Chinese Academy of Sciences (China)
Jianqiao Luo, Anhui Institute of Optics and Fine Mechanics (China)
Electronic Engineering Institute (China)
Chinese Academy of Sciences (China)
Huili Zhang, Anhui Institute of Optics and Fine Mechanics (China)
Xuyao Zhao, Anhui Institute of Optics and Fine Mechanics (China)
Univ. of Science and Technology of China (China)
Cong Quan, Anhui Institute of Optics and Fine Mechanics (China)
Univ. of Science and Technology of China (China)
Maojie Cheng, Anhui Institute of Optics and Fine Mechanics (China)
Qingli Zhang, Anhui Institute of Optics and Fine Mechanics (China)
Shaotang Yin, Anhui Institute of Optics and Fine Mechanics (China)


© SPIE. Terms of Use
Back to Top