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, (031108), 1-3. (doi:10.1063/1.2432280).


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Original Publication URL: http://dx.doi.org/10.1063/1.2432280


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.

Item Type: Article
Digital Object Identifier (DOI): doi:10.1063/1.2432280
ISSNs: 0003-6951 (print)
Related URLs:
Subjects: Q Science > QC Physics
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions : University Structure - Pre August 2011 > Optoelectronics Research Centre
ePrint ID: 46892
Accepted Date and Publication Date:
Date Deposited: 23 Jul 2007
Last Modified: 17 Oct 2016 22:09
URI: http://eprints.soton.ac.uk/id/eprint/46892

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