Spectroscopic properties of Ho3+ doped CaNb2O6 crystal

Results of the growth and annealing processes of Ho 3+ :CaNb 2 O 6 crystal with high oxygen defects were reported. The spectroscopic properties of Ho 3+ :CaNb 2 O 6 were also analysed, and the decay curves of the bulk and powder samples in correspondence with the emission 5 I 7 → 5 I 8 at 2·0 μm wer...

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Published inMaterials research innovations Vol. 16; no. 5; pp. 350 - 355
Main Authors Ji, Y X, Cao, J F, Zhu, Z J, Wang, Y, Li, J F, You, Z Y, Tu, C Y
Format Journal Article
LanguageEnglish
Published Taylor & Francis 01.10.2012
Subjects
CaNb
crystal
Radiative trapping
Spectroscopic properties
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Summary:Results of the growth and annealing processes of Ho 3+ :CaNb 2 O 6 crystal with high oxygen defects were reported. The spectroscopic properties of Ho 3+ :CaNb 2 O 6 were also analysed, and the decay curves of the bulk and powder samples in correspondence with the emission 5 I 7 → 5 I 8 at 2·0 μm were recorded. The effects of radiative trapping on the final results were also indicated, and the final value of the fluorescence lifetimes of 5 I 7 → 5 I 8 transition is calculated to be 5·19 ms. CaNb 2 O 6 crystal was shown to be a prospective material for an infrared laser medium at 2·0 μm.
ISSN:1432-8917
1433-075X
DOI:10.1179/1433075X12Y.0000000005