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Proceedings Paper

Problems In The Use Of ESI Parameters In Specifying Monomode Fibres
Author(s): B. P. Nelson; J. V. Wright
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Paper Abstract

A numerical study has been made into the accuracy of the equivalent step-index (ESI) description of monomode fibres. It is primarily concerned with the measurement of ESI parameters without knowledge of the refractive index profile, rather than the theoretical generation of the best parameters when both the field and profile are known. It is then found that the ESI parameters afford an adequate description of mode cut-off but can give rise to significant errors in dispersion (for dispersion shifted fibres) and for the mode field width. Contrary to popular belief, it is shown that the Gaussian approximation leads to significant errors.

Paper Details

Date Published: 8 November 1983
PDF: 6 pages
Proc. SPIE 0425, Single Mode Optical Fibers, (8 November 1983); doi: 10.1117/12.936207
Show Author Affiliations
B. P. Nelson, British Telecom Research Laboratories (United Kingdom)
J. V. Wright, British Telecom Research Laboratories (United Kingdom)

Published in SPIE Proceedings Vol. 0425:
Single Mode Optical Fibers
A. David Pearson, Editor(s)

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