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Enhanced optical properties of Tm3+ in f co-doped lead germanate glasses for fibre device applications

Record type: Conference or Workshop Item (Paper)

The effect on structure and property of adding fluoride into Tm3+ doped lead-germanate glass was established and verified experimentally. It was found that up to 10 mol% of fluoride could be introduced into our original lead-germanate composition while retaining the high thermal stability ideal for fibre fabrication. Much improved spectroscopic features, namely increased fluorescent lifetimes from 3H4 and 3F4 levels in Tm3+ with increasing fluorine content, were observed. At the same time it was found that the radiative properties of Tm3+ were left unchanged by fluoride addition, indicating that reduced multiphonon relaxation was responsible for the increased fluorescent lifetimes. This was well explained and foreseen by our established structure-property relation in terms of adding fluorine to the glass. In conclusion, fluoro-germanate glass shows advantages over germanate glass in optical properties and over fluoride glass in chemical and mechanical properties for practical fiber device applications. [Presentation slides]

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Citation

Wang, J., Hector, J., Brocklesby, W.S., Brinck, D.J. and Payne, D.N. (1996) Enhanced optical properties of Tm3+ in f co-doped lead germanate glasses for fibre device applications At MRS Spring Meeting 1996: Fiber materials for electronics & sensors, United States.

More information

Published date: 1996
Venue - Dates: MRS Spring Meeting 1996: Fiber materials for electronics & sensors, United States, 1996-01-01

Identifiers

Local EPrints ID: 76915
URI: http://eprints.soton.ac.uk/id/eprint/76915
PURE UUID: 66e2aeda-0284-45d6-a27e-24a1fe89d381
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 23:36

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Contributors

Author: J. Wang
Author: J. Hector
Author: W.S. Brocklesby ORCID iD
Author: D.J. Brinck
Author: D.N. Payne

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