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Area Optical fibre communication / Propagation characteristics

IEV ref731-03-86

en
maximum theoretical numerical aperture
NAmax th
a theoretical value of numerical aperture calculated using the values of refractive index of the core and cladding given by:

( n 1 2 n 2 2 ) 1/2 MathType@MTEF@5@5@+=feaagCart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLnhiov2DGi1BTfMBaeXatLxBI9gBaerbbjxAHXgarqqtubsr4rNCHbGeaGqipG0dh9qqWrVepG0dbbL8F4rqqrVepeea0xe9LqFf0xc9q8qqaqFn0lXdHiVcFbIOFHK8Feea0dXdar=Jb9hs0dXdHuk9fr=xfr=xfrpeWZqaaeqabiGaciGacaqadmaadaqaaqaaaOqaamaabmaabaGaamOBamaaDaaaleaacaaIXaaabaGaaGOmaaaakiabgkHiTiaad6gadaqhaaWcbaGaaGOmaaqaaiaaikdaaaaakiaawIcacaGLPaaadaahaaWcbeqaamaalyaabaGaaGymaaqaaiaaikdaaaaaaaaa@3EC0@

where n1 is the maximum refractive index of the core, and n2 is the refractive index of the innermost homogeneous cladding


fr
ouverture numérique théorique maximale, f
valeur théorique de l'ouverture numérique d'une fibre optique, égale à

( n 1 2 n 2 2 ) 1/2 MathType@MTEF@5@5@+=feaagCart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLnhiov2DGi1BTfMBaeXatLxBI9gBaerbbjxAHXgarqqtubsr4rNCHbGeaGqipG0dh9qqWrVepG0dbbL8F4rqqrVepeea0xe9LqFf0xc9q8qqaqFn0lXdHiVcFbIOFHK8Feea0dXdar=Jb9hs0dXdHuk9fr=xfr=xfrpeWZqaaeqabiGaciGacaqadmaadaqaaqaaaOqaamaabmaabaGaamOBamaaDaaaleaacaaIXaaabaGaaGOmaaaakiabgkHiTiaad6gadaqhaaWcbaGaaGOmaaqaaiaaikdaaaaakiaawIcacaGLPaaadaahaaWcbeqaamaalyaabaGaaGymaaqaaiaaikdaaaaaaaaa@3EC0@

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


ar
فتحة رقمية نظرية قصوى

de
maximale theoretische numerische Apertur, f

es
apertura numérica teórica máxima

fi
teoreettinen numeerinen aukko

it
apertura numerica massima teorica

ko
이론적 수치의 최대 개구

ja
最大理論開口数

pl
apertura numeryczna maksymalna (teoretyczna)

pt
abertura numérica teórica máxima

sv
teoretisk apertur

Publication date: 1991-10
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