Optical Fibre Excitation by Lenses
- 1 January 1979
- journal article
- research article
- Published by Taylor & Francis in Optica Acta: International Journal of Optics
- Vol. 26 (1) , 91-108
- https://doi.org/10.1080/713819873
Abstract
General mathematical and numerical results are given for the excitation of an optical fibre by a plane wave focused through a lens. Included are the effects on the coupling efficiency of transverse, longitudinal and angular misalignment of the lens and fibre axes. The accuracy of various approximations such as geometric optics in multimode fibres and gaussian modal fields in monomode fibres is also investigated.Keywords
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