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Spectroscopic Properties of Cr~(3+) Ions in Ba-Phosphate Glasses

Qi Changhong Jiang Yasi Jiang Yanyan (Shanghai Institute of Optics and Fine Mechanics,Academia Sinica)  
The absorption,excitation,fluorescence spectra and lifetime measurements ofCr~(3+) in Ba-phosphate glasses were performed at room temperature and 80K.Theanalysis of the experimental data based on the ligand field theory was carried out.Under various wavelength excitations,the fluorescence peak shifts and variations ofbandwidth were observed.The effect of concentration quenching of Cr~(3+) in the glas-ses was discussed.
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