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IEVref:731-03-63ID:
Language:enStatus: Standard
Term: normalized frequency
Synonym1: <i>V</i> number
[Preferred]
Synonym2:
Synonym3:
Symbol: V
Definition: in an optical fibre a dimensionless quantity, denoted by V, given by

V= 2πa λ ( n 1 2 n 2 2 ) 1/2 MathType@MTEF@5@5@+=feaagCart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLnhiov2DGi1BTfMBaeXatLxBI9gBaerbbjxAHXgarqqtubsr4rNCHbGeaGqipG0dh9qqWrVepG0dbbL8F4rqqrVepeea0xe9LqFf0xc9q8qqaqFn0lXdHiVcFbIOFHK8Feea0dXdar=Jb9hs0dXdHuk9fr=xfr=xfrpeWZqaaeqabiGaciGacaqadmaadaqaaqaaaOqaaiaadAfacqGH9aqpdaWcaaqaaiaaikdaiiaacqWFapaCcaWGHbaabaGaeq4UdWgaamaabmaabaGaamOBamaaDaaaleaacaaIXaaabaGaaGOmaaaakiabgkHiTiaad6gadaqhaaWcbaGaaGOmaaqaaiaaikdaaaaakiaawIcacaGLPaaadaahaaWcbeqaamaalyaabaGaaGymaaqaaiaaikdaaaaaaaaa@45C9@

where:
a is the fibre core radius,
λ is wavelength in vacuum, and
n1 and n2 are the maximum refractive index in the core and refractive index of the innermost homogenous cladding, respectively


Publication date:1991-10
Source:
Replaces:
Internal notes:2016-01-25: Spelling of "normalised" (3 hits) harmonized to "normalized" (15 hits). JGO

2017-06-02: Cleanup - Remove Attached Image 731-03-63.gif
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