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Determination of mode conversion coefficients in optical fibres

Determination of mode conversion coefficients in optical fibres
Determination of mode conversion coefficients in optical fibres
A simple method has been devised for the experimental determination of mode conversion coefficients in multimode fibers and involves only the observation of the far-field output as the angle of incidence of a collimated input beam is changed. The normalized mode coupling coefficient in a liquid-core fiber is D = 3 x 10-6 rad2 / m and increases by as much as a factor of 10 when transverse pressure is applied. Values some 2 orders of magnitude larger are found in glass-core fibers. There is good agreement between the theory presented and experiment.
0003-6935
1538-1542
Gambling, W.A.
70d15b3d-eaf7-44ed-9120-7ae47ba68324
Payne, D.N.
4f592b24-707f-456e-b2c6-8a6f750e296d
Matsumura, H.
1e8b76d6-6100-43c0-b411-6f9fe68671eb
Gambling, W.A.
70d15b3d-eaf7-44ed-9120-7ae47ba68324
Payne, D.N.
4f592b24-707f-456e-b2c6-8a6f750e296d
Matsumura, H.
1e8b76d6-6100-43c0-b411-6f9fe68671eb

Gambling, W.A., Payne, D.N. and Matsumura, H. (1975) Determination of mode conversion coefficients in optical fibres. Applied Optics, 14 (7), 1538-1542. (doi:10.1364/AO.14.001538).

Record type: Article

Abstract

A simple method has been devised for the experimental determination of mode conversion coefficients in multimode fibers and involves only the observation of the far-field output as the angle of incidence of a collimated input beam is changed. The normalized mode coupling coefficient in a liquid-core fiber is D = 3 x 10-6 rad2 / m and increases by as much as a factor of 10 when transverse pressure is applied. Values some 2 orders of magnitude larger are found in glass-core fibers. There is good agreement between the theory presented and experiment.

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Published date: 1975

Identifiers

Local EPrints ID: 78779
URI: http://eprints.soton.ac.uk/id/eprint/78779
ISSN: 0003-6935
PURE UUID: beac260f-b985-4cec-9f25-6a59f72c32d0

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Date deposited: 11 Mar 2010
Last modified: 10 Feb 2020 17:33

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