Spatial and temporal observation of energy transfer processes in Pr-doped phosphate glasses

•The spatial distribution of emitted light and photon propagation were measured.•The measurements were made into different Pr3+ doped phosphate matrices.•A spatially resolved microluminescence technique was used.•The photon diffusion length for specific wavelengths was measured. A spatially resolved...

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Bibliographic Details
Published in:Optical materials 2014-11, Vol.37, p.387-390
Main Authors: Martins, V.M., Azevedo, G.A., Andrade, A.A., Messias, D.N., do Monte, A.F.G., Dantas, N.O., Pilla, V., Catunda, T., Braud, A., Moncorgé, R.
Format: Article
Language:English
Subjects:
Diffusion length
Energy transfer
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Glasses, quartz
Microluminescence
Optical materials
Optics
Phosphate glass
Photons
Physics
Praseodymium ion
Rare earth metals
Spatial distribution
Temporal logic
Wavelengths
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Summary:•The spatial distribution of emitted light and photon propagation were measured.•The measurements were made into different Pr3+ doped phosphate matrices.•A spatially resolved microluminescence technique was used.•The photon diffusion length for specific wavelengths was measured. A spatially resolved microluminescence technique was used to measure the spatial distribution of emitted light and photon propagation into two different Pr3+ doped phosphate glasses. The photon diffusion length for specific wavelengths was measured. It was found that excited state re-absorption plays a crucial role in the propagation. Our results suggest that this microluminescence technique can be applied in the investigation of energy transfer processes in rare-earth doped systems.
ISSN:0925-3467
1873-1252
DOI:10.1016/j.optmat.2014.06.031