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Title: Absorption and emission spectral studies of Sm3+ and Dy3+ doped alkali fluoroborate glasses
Authors: Reddy, R R
Ahammed, Y Nazeer
Azeem, P Abdul
Gopal, K Rama
Rao, T V R
Buddhudu, S
Hussain, N Sooraj
Issue Date: Aug-2002
Publisher: NISCAIR-CSIR, India
Abstract: Absorption and photoluminescence spectra of Sm3+ and Dy3+ doped alkali fluoroborate glasses of the composition 90.5 B2O3 + 4 AlF + 5 RF + 0.5 LnF3 (R= Li , Na, K and Ln = Sm, Dy) are reported. On excitation , with 402 nm, the Sm3+glasses were found to be orange fluorescent in colour and richness of that colour was high in the Na+ glass, compared to Li+ and K+ glasses. Similarly, on excitation with 398 nm, the Dy3+ glasses were fluorescent yellow and that colour was richer in the K+ glass.
Page(s): 577-587
ISSN: 0975-1041 (Online); 0019-5596 (Print)
Appears in Collections:IJPAP Vol.40(08) [August 2002]

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