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An experimental study of propagation in multimode optical waveguides using spatially incoherent probe techniques

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thesis
posted on 09.07.2018, 11:40 by Peter J. Stevens
The analysis of propagation in waveguides is generally based Upon Maxwell's Equations and yields solutions in the form of sets of orthogonal fields called characteristic modes of the waveguide. If numerous modes are excited simultaneously by a single monochromatic source, the intensity distribution measured within the waveguide will be the coherent superposition of all the excited modal fields. The analysis of this coherent superposition is cumbersome for all but a small number of modes. If the source is polychromatic or spatially incoherent the increased complexity of the superposition procedure, which must now consider the relative coherence of modes, suggests that this method is inappropriate. [Continues.]

Funding

Science Research Council.

History

School

  • Mechanical, Electrical and Manufacturing Engineering

Publisher

© P.J. Stevens

Publisher statement

This work is made available according to the conditions of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0) licence. Full details of this licence are available at: https://creativecommons.org/licenses/by-nc-nd/4.0/

Publication date

1976

Notes

A Doctoral Thesis. Submitted in partial fulfilment of the requirements for the award of Doctor of Philosophy at Loughborough University.

Language

en

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