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Cooperative energy transfer in silica fibres doped with ytterbium and terbium

Record type: Article

Resonant excitation Yb3+ at 974 nm (10267 /cm) in codoped Yb3+-Tb3+ silica based fibres has lead to luminescence clearly being visible from the Tb3+ 5D4 level (20661 /cm). Through time resolved fluorescence measurements we have been able to directly assign the process responsible for the fluorescence to cooperative sensitisation of the Tb3+ 5D4 level by two excited Yb3+ ions. Energy transfer times for the cooperative process have been directly measured, enabling the effects of glass structure on the cooperative process to be explored. Numerical simulations based on the experimental findings have been conducted, enabling both the mechanism for the luminescence to be confirmed and the properties associated with the luminescence to be interpreted

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Citation

Brown, R.S., Brocklesby, W.S., Barnes, W.L. and Townsend, J.E. (1995) Cooperative energy transfer in silica fibres doped with ytterbium and terbium Journal of Luminescence, 63, (1-2), pp. 1-7. (doi:10.1016/0022-2313(94)00061-G).

More information

Published date: January 1995

Identifiers

Local EPrints ID: 78235
URI: http://eprints.soton.ac.uk/id/eprint/78235
ISSN: 0022-2313
PURE UUID: 19159b5e-3383-4bb3-ab74-c385b93150a9
ORCID for W.S. Brocklesby: ORCID iD orcid.org/0000-0002-2123-6712

Catalogue record

Date deposited: 11 Mar 2010
Last modified: 18 Jul 2017 23:26

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Contributors

Author: R.S. Brown
Author: W.S. Brocklesby ORCID iD
Author: W.L. Barnes
Author: J.E. Townsend

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