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Femtosecond laser fabricated all-multicore-fiber parallel Fabry-Perot interferometers for dual-parameter sensing

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Abstract

We demonstrate all-multicore-fiber parallel Fabry-Perot interferometers (FPIs) with individually variable cavity length of 26-61μm by femtosecond laser selective micro-machining and fiber fusion splicing, leading to the successful mitigation of cross-sensitivity arising in dual-parameter sensing.

© 2020 The Author(s)

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