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Spectral Properties and Parameters Calculation of Er:Ligdf4 Crystal

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DOI: 10.4236/msa.2011.28156    3,517 Downloads   6,607 Views   Citations

ABSTRACT

The absorption and fluorescence spectra of Er3+:LiGdF4 crystal was measured at room temperature. Base on the Judd-Ofelt theory, the intensity parameters of Er3+ in LiGdF4 crystal were determined, Ω2=0.905×10-20cm2, Ω4=2.47×10-20cm2 and Ω6=4.92×10-20cm2. The values of the radiative transition probabilities, branching ratios, integrated emission cross-section and radiative lifetimes of excited states of Er3+ in LiGdF4 crystal were calculated. The stimulated emission cross-section was also evaluated for the 4I13/24I15/2 transitions. In comparisons with other Er3+ doped laser crystals, Er3+:LiGdF4 crystal has potential as a promising laser crystal.

Conflicts of Interest

The authors declare no conflicts of interest.

Cite this paper

C. Li, Y. Zhang, X. Zhang, D. Miao, H. Lin, M. Tonelli, F. Zeng and J. Liu, "Spectral Properties and Parameters Calculation of Er:Ligdf4 Crystal," Materials Sciences and Applications, Vol. 2 No. 8, 2011, pp. 1161-1165. doi: 10.4236/msa.2011.28156.

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