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Proceedings Paper

Medical respiratory monitoring sensors based on microbend fiber loss
Author(s): Yong Zhao; Liuting Zhouxiao; Jian Yang; Xianjing Li
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Paper Abstract

In this work, a medical respiratory monitoring sensor based on the microbend effect of optical fiber on light transmission is proposed. The microbend effect of multimode optical fiber is analyzed theoretically using optical theory. A respiratory signal modulator with a “sandwich” microbender structure is designed enabling the noninvasive real-time monitoring. In vitro testing showed that the proposed sensor has excellent following characteristics and can automatically discern respiratory condition, the signal-to-noise ratio can be better than 28dB.

Paper Details

Date Published: 9 January 2017
PDF: 9 pages
Proc. SPIE 10025, Advanced Sensor Systems and Applications VII, 1002517 (9 January 2017); doi: 10.1117/12.2244480
Show Author Affiliations
Yong Zhao, Northeastern Univ. (China)
Liuting Zhouxiao, Northeastern Univ. (China)
Jian Yang, Northeastern Univ. (China)
Xianjing Li, Northeastern Univ. (China)

Published in SPIE Proceedings Vol. 10025:
Advanced Sensor Systems and Applications VII
Tiegen Liu; Shibin Jiang; Rene Landgraf, Editor(s)

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