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Propagation in curved multimode cladded fibres

Propagation in curved multimode cladded fibres
Propagation in curved multimode cladded fibres
An analysis is given of coupling between modes in a curved, cylindrical, multi-mode optical fibre and very simple form for the coupling coefficients are obtained. In general HE modes and coupling to higher modes can, to first order, be neglected. The degree of mode conversion is largely restricted to a periodic exchange of energy, between these few modes, along the length of the fibre with a periodicity which can be less than 1mm. Excellent agreement is obtained between theory and experiment. This form of quasi-single-mode operation is reflected in very low values of pulse dispersion but is very sensitive to stress in the fibre. The significance of these results in terms of mode conversion is discussed
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. (1974) Propagation in curved multimode cladded fibres. At AGARD Conference on Electromagnetic Wave Propagation Involving Irregular Surfaces and Inhomogeneous Media AGARD Conference on Electromagnetic Wave Propagation Involving Irregular Surfaces and Inhomogeneous Media, Netherlands.

Record type: Conference or Workshop Item (Paper)

Abstract

An analysis is given of coupling between modes in a curved, cylindrical, multi-mode optical fibre and very simple form for the coupling coefficients are obtained. In general HE modes and coupling to higher modes can, to first order, be neglected. The degree of mode conversion is largely restricted to a periodic exchange of energy, between these few modes, along the length of the fibre with a periodicity which can be less than 1mm. Excellent agreement is obtained between theory and experiment. This form of quasi-single-mode operation is reflected in very low values of pulse dispersion but is very sensitive to stress in the fibre. The significance of these results in terms of mode conversion is discussed

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Published date: March 1974
Venue - Dates: AGARD Conference on Electromagnetic Wave Propagation Involving Irregular Surfaces and Inhomogeneous Media, Netherlands, 1974-03-01

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Local EPrints ID: 77737
URI: https://eprints.soton.ac.uk/id/eprint/77737
PURE UUID: cd0c8d2c-21dc-4075-bc1d-ceb10a1da228

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Date deposited: 11 Mar 2010
Last modified: 18 Jul 2017 23:29

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Contributors

Author: W.A. Gambling
Author: D.N. Payne
Author: H. Matsumura

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