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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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.
|Subjects:||T Technology > TK Electrical engineering. Electronics Nuclear engineering
Q Science > QC Physics
|Divisions:||University Structure - Pre August 2011 > Optoelectronics Research Centre
|Date Deposited:||11 Mar 2010|
|Last Modified:||27 Mar 2014 18:59|
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
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