Formulas for calculating the refractive index profile of optical fibers from their transverse interference patterns | Zendy

Kenichi Iga | Zendy; Yasuo Kokubun | Zendy

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Formulas for calculating the refractive index profile of optical fibers from their transverse interference patterns

Author(s) -

Kenichi Iga,

Yasuo Kokubun

Publication year - 1978

Publication title -

applied optics

Language(s) - English

Resource type - Journals

ISSN - 0003-6935

DOI - 10.1364/ao.17.001972

Subject(s) - refractive index , optics , transverse plane , interference (communication) , step index profile , refractive index profile , normalized frequency (unit) , optical fiber , core (optical fiber) , refraction , index (typography) , physics , graded index fiber , materials science , telecommunications , computer science , fiber optic sensor , channel (broadcasting) , phase locked loop , structural engineering , frequency synthesizer , phase noise , world wide web , engineering

A set of successive approximation formulas for calculating the refractive index profile of optical fibers from their transverse interference patterns has been derived. The probing ray refraction due to the index gradient in the core is corrected for by these formulas, and the accuracy of index determination is improved. The error is confirmed to be less than 3 x 10(-3)% of the index difference by means of computer simulations. The index profiles of some optical fibers are practically determined with the help of these formulas.

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