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Determination of core diameter and refractive-index difference of single-mode fibres by observation of the far-field pattern

Record type: Article

A method is described for determining unambiguously, from the far-field pattern of single-mode fibres, the core diameter and the refractive-index difference between core and cladding. It involves measurements only of the half-power width of the main lobe and the width of the first minimum. Universal curves are presented that can be used with single-mode fibres or any fibre operating in the single-mode regime. Independent determinations of core diameter over the range 4-8µm by an etching technique are in excellent agreement with those obtained from the far-field pattern.

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Citation

Gambling, W.A., Payne, D.N., Matsumura, H. and Dyott, R.B. (1976) Determination of core diameter and refractive-index difference of single-mode fibres by observation of the far-field pattern Microwaves Optics and Acoustics, 1, (1), pp. 13-17. (doi:10.1049/ij-moa:19760002).

More information

Published date: 1976

Identifiers

Local EPrints ID: 78759
URI: http://eprints.soton.ac.uk/id/eprint/78759
ISSN: 0308-6976
PURE UUID: b36da751-0c22-4c03-b13f-3f85669d84dc

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Date deposited: 11 Mar 2010
Last modified: 18 Jul 2017 23:22

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Contributors

Author: W.A. Gambling
Author: D.N. Payne
Author: H. Matsumura
Author: R.B. Dyott

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