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Undesirable Modes Suppression in Double-Clad Fibers by Adding Absorbing Inclusions to the First Cladding

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Abstract

To create conditions for an asymptotically-single-mode propagation in double-clad fibers with an increased core size, the technique of undesirable modes absorption in additional inclusions incorporated into the first reflecting silica cladding was experimentally realized.

© 2019 The Author(s)

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