Near-field distributions in selectively excited elliptical optical fibres
- 13 March 1980
- journal article
- Published by Institution of Engineering and Technology (IET) in Electronics Letters
- Vol. 16 (6) , 210-211
- https://doi.org/10.1049/el:19800150
Abstract
Short (1–400 m) multimode fibres were excited by a single-mode fibre. The resulting near-field intensity distributions are generally not circularly symmetric. A calculation based on ray optics shows that slightly elliptical fibres give similar distributions. This calculation assumes a central index-profile dip.Keywords
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