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- W2007354204 abstract "Electronic transitions between the Stark components of <SUP>2</SUP>F<SUB>7/2</SUB> and <SUP>2</SUP>F<SUB>5/2</SUB> terms in 4f<SUP>13</SUP> configuration are observed in the CaF<SUB>2</SUB>:Tm<SUP>2+</SUP> and CaF<SUB>2</SUB>:Tm<SUP>2+</SUP> absorption and luminescence spectra. The transitions are magnetic-dipole. Theoretical analysis in LSJ representation allows us to determine the relation between electronic transition probabilities. Experimental relations between observed transition probabilities are estimated using vibronic sideband integral intensity of the (Gamma) <SUB>7</SUB> $ARLR (Gamma) <SUB>7</SUB>' transition for normalization. The theoretical results vary from the experimental ones. Analysis of the possible reasons for the discrepancy has been performed. Suppression of the (Gamma) <SUB>7</SUB> $ARLR (Gamma) <SUB>7</SUB> transition is associated with the resonant reabsorption of radiation. Suppression of (Gamma) <SUB>7</SUB> yields (Gamma) <SUB>8</SUB>' transition in absorption is caused by intensity transfer to vibronic transitions due to the interaction of Tm<SUP>2+</SUP> ions with the even (Gamma) <SUB>3g</SUB> and (Gamma) <SUB>5g</SUB> vibrations. The degree of this suppression was evaluated in the framework of electrostatic approximation. Results of the calculation are in agreement with the experimental ones." @default.
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- W2007354204 date "1996-01-03" @default.
- W2007354204 modified "2023-09-23" @default.
- W2007354204 title "Electron vibrational suppression of magnetic-dipole electronic transitions in MeF 2 :Tm2+ crystals" @default.
- W2007354204 doi "https://doi.org/10.1117/12.229138" @default.
- W2007354204 hasPublicationYear "1996" @default.
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