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Multisites Cr3+ in GGG and GSGG garnets

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Abstract

The emission and excitation spectra of Cr3+ -doped Gd3Ga5O12 (GGG) and Gd3Sc2Ga3O12 (GSGG) are explained in the light of multisite effects. The situation is particularly complicated in the case of GSGG, where the different sites have2E energy levels near each other which overlap with the4A24T2 absorption bands. The spectra obtained under selective excitations are interpreted on the multisite assumption.

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Monteil, A., Nie, W., Madej, C. et al. Multisites Cr3+ in GGG and GSGG garnets. Opt Quant Electron 22 (Suppl 1), S247–S257 (1990). https://doi.org/10.1007/BF02089013

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  • DOI: https://doi.org/10.1007/BF02089013

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