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Efficiency and alignment tolerances of LED to single-mode fibre coupling — theory and experiment

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Abstract

The coupling efficiency between partially coherent sources such as LEDs and single-mode fibres is calculated from near- and far-field data of the source for arbitrary coupling optics. The influence of misalignment and lens aberrations is considered. Simple formulae for coupling efficiency and alignment tolerances are derived for LEDs with a Gaussian far field. The agreement with experimental results using spherical, GRIN and taper lenses is satisfactory

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  1. AEG Aktiengesellschaft, Research Centre, Sedanstrasse 10, D7900, Ulm, Germany

    Bernd Hillerich

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  1. Bernd Hillerich
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Hillerich, B. Efficiency and alignment tolerances of LED to single-mode fibre coupling — theory and experiment. Opt Quant Electron 19, 209–222 (1987). https://doi.org/10.1007/BF02032515

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  • DOI: https://doi.org/10.1007/BF02032515

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