Calculated and measured spot size of equivalent Gaussian field in single-mode optical fibres

6 January 1983

journal article
Published by Institution of Engineering and Technology (IET) in Electronics Letters

Vol. 19 (1) , 27-29
https://doi.org/10.1049/el:19830019

Abstract

Measurements of the integrated far field from a single-mode fibre using a simple set-up for attenuation measurements yields the spot size of the equivalent Gaussian field, or the ESI parameters. Using a multilayer method for calculating the field in the fibre, it is shown that the obtained spot size (ESI values) will depend on how this parameter is extracted.

Keywords

SPOT SIZE
ESI PARAMETERS
ATTENUATION MEASUREMENTS
MULTILAYER METHOD
SINGLE-MODE OPTICAL FIBRES
EQUIVALENT GAUSSIAN FIELD

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