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

Hughes, M., Rutt, H., 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 1155 nm identified by photoluminescence excitation measurements. Broad photoluminescence, with a full width at half maximum of ~500 nm, is observed peaking at 1500 nm when exciting at 514, 808, and 1064 nm. The fluorescence lifetime and quantum efficiency at 300 K were measured to be 33.4 ?s 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: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Q Science > QC Physics
Divisions: University Structure - Pre August 2011 > Optoelectronics Research Centre
ePrint ID: 46892
Date :
Date Event
Date Deposited: 23 Jul 2007
Last Modified: 31 Mar 2016 12:22
URI: http://eprints.soton.ac.uk/id/eprint/46892

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