Thermal decay of fibre Bragg gratings of positive and negative index changes formed at 193 nm in a boron-codoped germanosilicate fibre
Dong, L. and Liu, W.F. (1997) Thermal decay of fibre Bragg gratings of positive and negative index changes formed at 193 nm in a boron-codoped germanosilicate fibre. Applied Optics, 36, (31), 8222-8226. (doi:10.1364/AO.36.008222).
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A complex grating decay process is observed at elevated temperatures as predicted by a recently proposed three-energy-level model. We have also measured thermal stability of fiber gratings of both positive and negative index changes in a boron-codoped germanosilicate fiber in order to characterize the energy levels of the system and to predict grating lifetimes. The negative index gratings are found to be able to operate at 300°C for more than 23 years without significant degradation.
|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:||25 Sep 2012 10:26|
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
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