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Spectroscopy of vanadium (III) doped gallium lanthanum sulphide chalcogenide glass

Hughes, M., Rutt, Harvey, Hewak, D. and Curry, R.J. (2007) Spectroscopy of vanadium (III) doped gallium lanthanum sulphide chalcogenide glass Applied Physics Letters, 90, (31108), pp. 1-3. (doi:10.1063/1.2432280).

Record type: Article


Vanadium doped gallium lanthanum sulphide glass (V:GLS) displays three absorption bands at 580, 730, and 1155nm identified by photoluminescence excitation measurements. Broad photoluminescence, with a full width at half maximum of ~500nm, is observed peaking at 1500nm when exciting at 514, 808, and 1064nm. The fluorescence lifetime and quantum efficiency at 300K were measured to be 33.4µs and 4%, respectively. From the available spectroscopic data, the authors propose the vanadium ions' valence to be 3+ and be in tetrahedral coordination. The results indicate a potential for the development of a laser or optical amplifier based on V:GLS.

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Published date: 2007


Local EPrints ID: 46892
ISSN: 0003-6951
PURE UUID: 553f3289-88b1-4111-a224-87a6d8fba2f7
ORCID for D. Hewak: ORCID iD

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Date deposited: 23 Jul 2007
Last modified: 17 Jul 2017 15:06

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Author: M. Hughes
Author: Harvey Rutt
Author: D. Hewak ORCID iD
Author: R.J. Curry

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