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Enhanced spatial energy transfer in Er-doped silica glasses
Energy transfer processes and the related photon diffusion have been investigated in Er-doped silica glasses. The spatial distribution of the luminescence on the sample surface was scanned by the spatially-resolved microluminescence technique for several samples with different Er 3+-ion concentratio...
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Published in: | Optical materials 2010-07, Vol.32 (9), p.1248-1250 |
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Main Authors: | , , , , |
Format: | Article |
Language: | English |
Subjects: | |
Citations: | Items that this one cites Items that cite this one |
Online Access: | Get full text |
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Summary: | Energy transfer processes and the related photon diffusion have been investigated in Er-doped silica glasses. The spatial distribution of the luminescence on the sample surface was scanned by the spatially-resolved microluminescence technique for several samples with different Er
3+-ion concentrations. Efficient long-range photon diffusion for the 1.54
μm emission was found at 1.85
wt.%. We propose an energy transfer process between erbium ions randomly distributed throughout the glass medium. Each ion acts as absorbers and emitters in such a way that the energy is spatially transferred. |
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ISSN: | 0925-3467 1873-1252 |
DOI: | 10.1016/j.optmat.2010.04.028 |