Refractive Index Distribution Measurement Using a Set of Launching Single-Mode and Receiving High NA Optical Fibers

Yuji AZUMA  Hisashi MURATA  

IEICE TRANSACTIONS (1976-1990)   Vol.E70   No.4   pp.291-293
Publication Date: 1987/04/25
Online ISSN: 
Print ISSN: 0000-0000
Type of Manuscript: Special Section LETTER (Special Issue: Papers from 1987 National Convention IEICE)
Category: Optoelectronics

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A new method fot the refractive index distribution measurement using a set of single-mode and multimode optical fibers is investigated experimentally. It is confirmed that the optical multiple reflection is neglected, and this leads the accurate measurement with high stability and easy handling.