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Refractive Index Profiling of Axially-symmetric optical Fibres: A New Technique

Ampem-Lassen, Eric and Huntington, S. T and Dragomir, Nicoleta and Nugent, K. A and Roberts, A (2005) Refractive Index Profiling of Axially-symmetric optical Fibres: A New Technique. Optics Express, 13 (9). pp. 3277-3282. ISSN 1094-4087

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Abstract

We present a new technique for determining the refractive index profiles of axially symmetric optical fibers based on imaging phase gradients introduced into a transmitted optical field by a fiber sample. An image of the phase gradients within the field is obtained using a new non-interferometric technique based on bright field microscopy. This provides sufficient information to reconstruct the refractive index profile using the inverse Abel transform. The technique is robust, rapid and possesses high spatial resolution and we demonstrate its application to the reconstruction of the refractive index profiles of a single-mode and a multimode optical fiber.

Item Type: Article
Uncontrolled Keywords: ResPubID18586, ResPubID16365, refractive index profiles, optical fibers
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Depositing User: VUIR
Date Deposited: 20 Mar 2012 02:22
Last Modified: 23 Dec 2014 22:57
URI: http://vuir.vu.edu.au/id/eprint/2689
DOI: 10.1364/OPEX.13.003277
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Citations in Scopus: 36 - View on Scopus

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