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Proceedings Paper

Fiber ringdown breathing rate sensor
Author(s): Zhihao Chen; Huiqing Yim; Ju Teng Teo; Soon Huat Ng
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Paper Abstract

We describe a new sensor for patient's breathing measurement by using fiber loop ringdown spectroscopy. The sensing system consists of a typical single mode fiber-loop ring-down spectroscopy and a sensor mat which is used to introduce breathing related optical loss. The sensor mat could be put in the chair or embedded in the bed. It is non invasive measurement. The breathing rate sensor is demonstrated with an accuracy of +/-2 breaths per minute and stable sensor output.

Paper Details

Date Published: 17 May 2011
PDF: 4 pages
Proc. SPIE 7753, 21st International Conference on Optical Fiber Sensors, 775357 (17 May 2011); doi: 10.1117/12.885176
Show Author Affiliations
Zhihao Chen, A*STAR Institute for Infocomm Research (Singapore)
Huiqing Yim, A*STAR Institute for Infocomm Research (Singapore)
Ju Teng Teo, A*STAR Institute for Infocomm Research (Singapore)
Soon Huat Ng, A*STAR Institute for Infocomm Research (Singapore)


Published in SPIE Proceedings Vol. 7753:
21st International Conference on Optical Fiber Sensors
Jacques Albert; Wojtek J. Bock, Editor(s)

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