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Title: Fiber-optic in-line Mach-Zehnder modal interferometer for breathing monitoring application
Authors: Wang, K
Xu, W
Zhang, N
Li, K
Yu, C
Yu, C 
Keywords: Breathing monitoring
Modal interferometer
Optical fiber sensor
Issue Date: 2017
Publisher: Institute of Electrical and Electronics Engineers Inc.
Source: 2017 Conference on Lasers and Electro-Optics Pacific Rim, CLEO-PR 2017, 31 July-4 Aug. 2017, p. 1-3 How to cite?
Abstract: A simple fiber-optic in-line Mach-Zehnder modal interferometer is fabricated and studied for monitoring human being's breathing rate, which is one of the most important vital signs. The sensing structure is simply fabricated by a couple of up-Tapers manufactured in the common telecommunication single mode fiber (SMF) by a commercial splicer. Sensing performances with different distances between the dual uptapers are addressed. The whole setup only contains one laser source, one photo-detector and one section of SMF with dual uptapers. It can real-Timely monitor people's respiration rhythm without complex signal processing and the scheme is simple and low-cost.
ISBN: 9781509062904
DOI: 10.1109/CLEOPR.2017.8118841
Appears in Collections:Conference Paper

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