Experimental determination of the radiation pattern of optical fibres |
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| Authors: | L. Jeunhomme J.P. Pocholle |
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| Affiliation: | Laboratoires de Marcoussis, Centre de Recherches de la Compagnie Générale d''Electricité, Route de Nozay, 91460 - Marcoussis, France |
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| Abstract: | The analysis of the output radiation pattern of clad optical fibres has shown the existence of strong mode coupling effects on two particular samples. Further, it is shown on a low-loss sample that the amount of mode conversion can be externally controlled by the application of a stress. Measurements performed on a 1 km waveguide show how internal mode coupling leads to a steady-state radiation pattern. |
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