Viscosity measurements in halide melts

Naftaly, M., Jha, A., Taylor, E.R. and Mills, K.C. (1996) Viscosity measurements in halide melts. In, 10th International Symposium on Non-Oxide and New Optical Glasses (ISNOG), Corning, US,


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Viscosities of two kinds of halide melts were measured at temperatures near the glass transition and above the melting point. The melts and glasses investigated were two fluoroaluminate glasses, a cadmium mixed halide and a cadmium halide phosphate glasses, and a gallium-indium fluoride glass. The fluoroaluminate glasses were designed as core and cladding for a Nd-doped 1.3µm fibre amplifier, while the cadmium halide and cadmium phosphate glasses, were designed as core and cladding for the Pr-doped 1.3µm fibre amplifier. The gallium fluoride glass was also designed as host for the Pr-doped amplifier. The cadmium mixed halide glass exhibits a strong non-Newtonian behaviour contrasting with near-Newtonian fluoroaluminate melts. The implications of these results on fibre drawing and low-loss fibre fabrication are discussed. Viscosity data were fitted to models, and the nappropriateness of the fits is discussed.

Item Type: Conference or Workshop Item (Paper)
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Subjects: Q Science > QC Physics
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions : University Structure - Pre August 2011 > Optoelectronics Research Centre
ePrint ID: 76880
Accepted Date and Publication Date:
June 1996Delivered
Date Deposited: 11 Mar 2010
Last Modified: 31 Mar 2016 13:10

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