Optical tunnelling: Radiation losses in bent fibre-optic waveguides

William L. Kath; Gregory A. Kriegsmann

doi:10.1093/imamat/41.2.85-a

Optical tunnelling: Radiation losses in bent fibre-optic waveguides

William L. Kath^*, Gregory A. Kriegsmann

^*Corresponding author for this work

Engineering Sciences and Applied Mathematics

Research output: Contribution to journal › Article › peer-review

18 Scopus citations

Abstract

We present a new method for determining the radiation losses produced when a weakly-guiding optical fibre is bent. In contrast to previous work, we make no assumptions about the type of bending allowed; the centreline of the fibre is allowed to follow any path in three-dimensionalspace. In particular, the method clearly shows the effects due both to curvature andto torsion.In addition, the result we obtain contains a detailed description of the distribution of theradiated energy.

Original language	English (US)
Pages (from-to)	85-103
Number of pages	19
Journal	IMA Journal of Applied Mathematics (Institute of Mathematics and Its Applications)
Volume	41
Issue number	2
DOIs	https://doi.org/10.1093/imamat/41.2.85-a
State	Published - Jan 1 1988

ASJC Scopus subject areas

Applied Mathematics

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abstract = "We present a new method for determining the radiation losses produced when a weakly-guiding optical fibre is bent. In contrast to previous work, we make no assumptions about the type of bending allowed; the centreline of the fibre is allowed to follow any path in three-dimensionalspace. In particular, the method clearly shows the effects due both to curvature andto torsion.In addition, the result we obtain contains a detailed description of the distribution of theradiated energy.",

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N2 - We present a new method for determining the radiation losses produced when a weakly-guiding optical fibre is bent. In contrast to previous work, we make no assumptions about the type of bending allowed; the centreline of the fibre is allowed to follow any path in three-dimensionalspace. In particular, the method clearly shows the effects due both to curvature andto torsion.In addition, the result we obtain contains a detailed description of the distribution of theradiated energy.

AB - We present a new method for determining the radiation losses produced when a weakly-guiding optical fibre is bent. In contrast to previous work, we make no assumptions about the type of bending allowed; the centreline of the fibre is allowed to follow any path in three-dimensionalspace. In particular, the method clearly shows the effects due both to curvature andto torsion.In addition, the result we obtain contains a detailed description of the distribution of theradiated energy.

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Optical tunnelling: Radiation losses in bent fibre-optic waveguides

Abstract

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