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- W110757749 abstract "Spectroscopic properties of calcium metaphosphate glass doped with Nd ion are studied. The effect of cerium ion doping on the spectroscopic properties of Nd 3+ ions in these glasses are also investigated. The absorption spectra of neodymium containing glass reflect the 4f 3 →4f 3 intraconfigurational transitions. The spectral intensities are analysed in terms of the Judd-Ofelt parameters Ω λ (λ=2,4,6). Doping with Ce 3+ ion changes the nature of ultraviolet absorption considerably without affecting visible absorption which can be attributed to the presence of Ce 3+ ion in the glass. The emission at 330 nm occurs in the case of Nd 3+ containing glass from the intraconfigurational 2 D 5/2 level and for Ce 3+ doped in Nd 3+ containing glass originated both from interconfigurational 4f→5d transition of Ce 3+ and intraconfigurational 2 D 5/2 level of Nd 3+ ions. The emission at 630 nm occurs from the 4 G 5/2 level of Nd 3+ ion. For Ce 3+ ion doped Nd 3+ glass this emission is characteristic of Ce 3+ as well as Nd 3+ 4 G 5/2 emission. The excitation spectra reflect the emission at 630 nm originating from 4 G 5/2 for Nd 3+ doped glasses whereas in the case of cerium doped in Nd 3+ containing metaphosphate glass, the main contribution comes from the interconfigurational band of Ce 3+ ion. The fluorescence lifetime of the emitting levels are also measured. Strong quenching is observed in glass doped with neodymium which does not occur in cerium doped glass as energy transfer does not takes place from cerium to neodymium ions." @default.
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- W110757749 date "1999-02-01" @default.
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- W110757749 title "Spectroscopy of Nd3+ in calcium metaphosphate glass and the effect of Ce3+ ion impurity on its spectroscopic properties" @default.
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