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Length-dependent effects due to leaky modes on multimode graded-index optical fibres

Adams, M.J., Payne, D.N. and Sladen, F.M.E. (1976) Length-dependent effects due to leaky modes on multimode graded-index optical fibres Optics Communications, 17, (2), pp. 204-209. (doi:10.1016/0030-4018(76)90215-7).

Record type: Article


The radiation losses of tunnelling leaky modes in graded-index optical fibres are calculated theoretically, and it is shown that the near-field intensity profile has a length dependence. Consequently measurements of the near-field intensity distribution do not give the refractive index profile directly, and a correction factor must be applied. We have investigated this factor and find that it depends only on a single normalisation parameter involving fibre length, core radius and normalised frequency. A further use of the correction factor is to determine the total power attenuation due to the loss of leaky modes.

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Published date: 1976


Local EPrints ID: 78764
ISSN: 0030-4018
PURE UUID: 2457db33-106a-4688-b205-828d2b68a53e

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

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Author: M.J. Adams
Author: D.N. Payne
Author: F.M.E. Sladen

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