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Fiber optic non-wearable respiratory monitoring based on in-line modal interferometer

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Abstract

A real-time non-wearable respiratory monitoring system based on single-mode-fiber-multimode-fiber-single-mode-fiber (SMS) with core-offset splicing is demonstrated and experimentally validated. Both the inhalation and exhalation activities can be detected within a wide respiratory frequency range.

© 2018 The Author(s)

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