Formation Reaction of ZrO2 Scatterers in ZrF4‐Based Fluoride Fibers
- 1 June 1988
- journal article
- Published by Wiley in Journal of the American Ceramic Society
- Vol. 71 (6) , 460-464
- https://doi.org/10.1111/j.1151-2916.1988.tb05895.x
Abstract
This paper clarifies the formation reaction of ZrO2 crystals which appear as extrinsic scatterers in fluoride fibers. EPMA analysis indicates that BaO exists at grain boundaries of BaF2 purified by sublimation. BaO reacts with ZrF4 to form ZrO2 at 600°C during a glass‐melting process. The ZrO2 formation reaction is influenced by H2O. Ba(OH)2, which is formed by the reaction between BaO and water vapor, melts at 370° to 420°C and reacts with ZrF4 to form ZrO2 at 450° to 520°C. When low‐oxide‐content BaF2 is used for fiber preparation, scatterers significantly decrease.Keywords
This publication has 5 references indexed in Scilit:
- Preparation of Elevated NA Fluoride Optical FibersJapanese Journal of Applied Physics, 1986
- Crystallization Characteristics of ZrF4-Based Fluoride Glasses in Cooling and Reheating ProcessesJapanese Journal of Applied Physics, 1985
- Reduction of impurities in fluoride glass fibersJournal of Lightwave Technology, 1984
- Prediction of loss minima in infra-red optical fibresElectronics Letters, 1981
- Fluoride-glass-cladded optical fibres for mid-infra-red ray transmissionElectronics Letters, 1981