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), 204-209. (doi:10.1016/0030-4018(76)90215-7).

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Description/Abstract

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.

Item Type: Article
ISSNs: 0030-4018 (print)
Related URLs:
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Q Science > QC Physics
Divisions: University Structure - Pre August 2011 > Optoelectronics Research Centre
ePrint ID: 78764
Date Deposited: 11 Mar 2010
Last Modified: 27 Mar 2014 18:59
URI: http://eprints.soton.ac.uk/id/eprint/78764

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