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The determination of the refractive index profile in α-profile optical fibres by intermodal interference investigation

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A way of determination of α-parameter for α-profile optical fibres is presented in the paper. The determination is based on the dependence of the ratio of equalisation wavelengths of the LP01–LP11 and LP01–LP02 mode pairs on the α-parameter. The application of the method is illustrated on the measurement of a Lucent AllWave fiber.

Document Type: Research Article


Affiliations: 1: University of Žilina, Department of Physics, Vel'ký Diel, 01026 Žilina, Slovakia 2: University of Žilina, Department of Telecommunication, Vel'ký Diel, 01026 Žilina, Slovakia 3: Academy of Sciences of the Czech Republic, Institute of Radio Engineering and Electronics, Chaberská 57, 182 51 Prague 8, Czech Republic

Publication date: May 1, 2004


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