A spectroscopic study of praseodymium-doped gallium-lanthanum-sulphide glass
Brocklesby, W.S. and Pearson, A. (1994) A spectroscopic study of praseodymium-doped gallium-lanthanum-sulphide glass. Journal of Luminescence, 59, (5), 333-340. (doi:10.1016/0022-2313(94)90060-4).
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Fluorescence spectra of Pr3+-doped gallium lanthanum sulphide (GLS) chalcogenide glass at 300 and 1.9K are presented. Energy-selective spectroscopy is performed for the 1D2 and 3P0 levels at both temperatures, and the results show that there is strong correlation between the inhomogeneous profiles of ground and excited states, a situation which does not normally occur in rare-earth doped glasses. This is explained in terms of the relative contributions to the broadening from the nephelauxetic effect and crystal field broadening in this system. Its implication for the 1.3µm amplifier based on Pr3+ in this host is assessed.
|Digital Object Identifier (DOI):||doi:10.1016/0022-2313(94)90060-4|
|Subjects:||Q Science > QC Physics
T Technology > TK Electrical engineering. Electronics Nuclear engineering
|Divisions:||University Structure - Pre August 2011 > Optoelectronics Research Centre
|Date Deposited:||11 Mar 2010|
|Last Modified:||06 Aug 2015 02:58|
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
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