IEVref:731-02-20ID:
Language:enStatus: Standard
Term: refractive index contrast
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Symbol: Δ
Definition: 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


Publication date:1991-10
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Internal notes:2017-06-02: Cleanup - Remove Attached Image 731-02-20.gif
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