Discrete radiation from curved single-mode fibres

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© The Institution of Electrical Engineers
Published 20/07/2012

Abstract

The energy loss and field distribution in a curved single-mode fibre are calculated in terms of the coupling between the fundamental (LP01) mode and the radiation field. In agreement with recent experimental results, it is found that, initially, light travels in a zigzag path around the bend, and radiation is emitted in discrete beams.

Inspec keywords: optical fibres; optical waveguide theory

Other keywords: optical fibres; curved single mode fibres; fundamental mode/radiation field coupling; discrete radiation beams; experimental results; field distribution; energy loss; optical waveguide theory

Subjects: Waveguide and cavity theory; Fibre optics and fibre waveguides; Fibre optics; Optical waveguides and couplers

References

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      • Neumann, E.-G., Rudolph, H.-D.: `Radiation from bends in dielectric rod transmission lines', IEEE Trans., 1975, p. 142-149
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      • Gambling, W.A., Payne, D.N., Matsumura, H.: `Propagation in curved multimode cladded fibres', AGARD symposium on electromagnetic wave propagation involving irregular surfaces and inhomogeneous media, 1974, The Hague
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