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Area Optical fibre communication / Fibre construction and optical characteristics

IEV ref731-02-20

Symbol
Δ

en
refractive index contrast
a measure of the relative difference in refractive index of the core and the cladding of an optical fibre, given by:

Δ= n 1 2 n 2 2 2 n 1 2 MathType@MTEF@5@5@+=feaagCart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLnhiov2DGi1BTfMBaeXatLxBI9gBaerbbjxAHXgarqqtubsr4rNCHbGeaGqipG0dh9qqWrVepG0dbbL8F4rqqrVepeea0xe9LqFf0xc9q8qqaqFn0lXdHiVcFbIOFHK8Feea0dXdar=Jb9hs0dXdHuk9fr=xfr=xfrpeWZqaaeqabiGaciGacaqadmaadaqaaqaaaOqaaiabgs5aejabg2da9maalaaabaGaamOBamaaDaaaleaacaaIXaaabaGaaGOmaaaakiabgkHiTiaad6gadaqhaaWcbaGaaGOmaaqaaiaaikdaaaaakeaacaaIYaGaamOBamaaDaaaleaacaaIXaaabaGaaGOmaaaaaaaaaa@414D@

where n1 and n2 are, respectively, the maximum in the core and the refractive index of the innermost homogeneous cladding


fr
contraste d'indice, m
quantité caractérisant la différence relative entre les indices de réfraction du coeur et de la gaine d'une fibre optique par l'expression:

Δ= n 1 2 n 2 2 2 n 1 2 MathType@MTEF@5@5@+=feaagCart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLnhiov2DGi1BTfMBaeXatLxBI9gBaerbbjxAHXgarqqtubsr4rNCHbGeaGqipG0dh9qqWrVepG0dbbL8F4rqqrVepeea0xe9LqFf0xc9q8qqaqFn0lXdHiVcFbIOFHK8Feea0dXdar=Jb9hs0dXdHuk9fr=xfr=xfrpeWZqaaeqabiGaciGacaqadmaadaqaaqaaaOqaaiabgs5aejabg2da9maalaaabaGaamOBamaaDaaaleaacaaIXaaabaGaaGOmaaaakiabgkHiTiaad6gadaqhaaWcbaGaaGOmaaqaaiaaikdaaaaakeaacaaIYaGaamOBamaaDaaaleaacaaIXaaabaGaaGOmaaaaaaaaaa@414D@

n1 est l'indice de réfraction maximal dans le coeur et n2 l'indice de réfraction de la gaine homogène la plus interne


ar
تباين عامل الانكسار

de
relative Brechzahldifferenz, f

es
contraste del índice de refracción

fi
suhteellinen taitekerroinero

it
contrasto d'indice di rifrazione

ko
굴절 지수 대비

ja
比屈折率差
Δ, (記号)

pl
kontrast współczynników załamania

pt
contraste de índice

sv
relativ indexskillnad

Publication date: 1991-10
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