Study on the Nature of Extrinsic Scattering Centers in Fluoride Glass Optical Fibers
- 1 March 1986
- journal article
- Published by IOP Publishing in Japanese Journal of Applied Physics
- Vol. 25 (3A) , L203
- https://doi.org/10.1143/jjap.25.l203
Abstract
The origin and loss characteristics of extrinsic scattering centers in ZrF4-based fluoride optical fibers have been investigated. Scattering centers larger than about 1 µm have been found to be micro-crystallites, inclusions of impurity particles or bubbles. They can be reduced by improving the preform-preparation conditions. For scattering centers of submicron size, scattering loss has been estimated at wavelengths of 0.633 and 2.55 µm and has been indicated to exhibit wavelength dependence of λ-2. Loss factors for a fiber fabricated under improved preform-preparation conditions have been analyzed. A minimum loss of 3.0 dB/km at a wavelength of 2.55 µm was proved to arise from about 2 dB/km of scattering and about 1 dB/km of absorption.Keywords
This publication has 4 references indexed in Scilit:
- Crystallization Characteristics of ZrF4-Based Fluoride Glasses in Cooling and Reheating ProcessesJapanese Journal of Applied Physics, 1985
- Fabrication of Low OH and Low Loss Fluoride Optical FiberJapanese Journal of Applied Physics, 1984
- Light scattering investigation on a fluorozirconate glassMaterials Research Bulletin, 1982
- Prediction of loss minima in infra-red optical fibresElectronics Letters, 1981