Fabrication and optical properties of lead-germanate glasses and a new class of optical fibres doped with Tm3+
Wang, J., Lincoln, J.R., Brocklesby, W.S., Deol, R.S., Mackechnie, C.J., Pearson, A., Tropper, A.C., Hanna, D.C. and Payne, D.N. (1992) Fabrication and optical properties of lead-germanate glasses and a new class of optical fibres doped with Tm3+. Journal of Applied Physics, 73, (12), 8066-8075. (doi:10.1063/1.353922).
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In this article we present a study of a new class of optical fibers based on lead germanate glass. The maximum vibrational frequency of this glass is intermediate between silica and zirconium barium lanthanum aluminum fluoride glass, causing a beneficial change in nonradiative decay and therefore quantum efficiency for particular laser transitions. Fabrication of high-strength, low-loss fibers of this glass has been achieved by modification of the composition to produce optimal physical properties for fiber drawing, while retaining the useful vibrational properties of the original PbGeO2 glass. Measurements of both the thermal and optical properties are described. The fibers produced are ideal for many applications in fiber devices.
|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:||02 Mar 2012 12:01|
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
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