Asymmetries in optical fibres |
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| Authors: | WJ Stewart |
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| Institution: | Allen Clark Research Centre, The Plessey Company Limited, Caswell, Towcester, Northants, UK |
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| Abstract: | Two methods for treating the effects of small asymmetries in the cross sections of roughly cylindrical optical fibres are described. These predict the presence of stable power distributions, ribbons for example, within the fibre core. Experimental results on actual fibres showing these effects are given. To be effectively asymmetric a fibre of elliptical cross section need have major and minor diameters differing by only 0.08 μm. |
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