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Proceedings Paper

Overview Of Fluoride Glass Fibre Optics
Author(s): C. R. Day; P. W. France; S. F. Carter; M. W. Moore; J. R. Williams
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Paper Abstract

The characteristics of glasses and fibres based on zirconium fluoride are reviewed. The fundamental limits to attenuation due to intrinsic processes in these materials are surveyed, leading to a predicted minimum loss approaching 0.01 dB/km at the likely operating wavelength of 2.55 μm. Current limitations due to extrinsic scattering and absorption are analysed, showing that most of the excess loss comes from wavelength-independent scattering due to small bubbles, crystallites and other small particles. These extrinsic mechanisms limit the attenuation to around 1dB/km in the best current fibres. Design criteria for single mode fibres are also reviewed, taking into account dispersion and mode field effects to optimise microbending and splicing characteristics.

Paper Details

Date Published: 24 August 1987
PDF: 7 pages
Proc. SPIE 0799, New Materials for Optical Waveguides, (24 August 1987); doi: 10.1117/12.941163
Show Author Affiliations
C. R. Day, British Telecom Research Laboratories (UK)
P. W. France, British Telecom Research Laboratories (UK)
S. F. Carter, British Telecom Research Laboratories (UK)
M. W. Moore, British Telecom Research Laboratories (UK)
J. R. Williams, British Telecom Research Laboratories (UK)

Published in SPIE Proceedings Vol. 0799:
New Materials for Optical Waveguides
Jacques Lucas, Editor(s)

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