SAHS detection using contact-free MZI-BCG sensor

Xinning Jiang; Wei Xu; Cheung Chuen Yu; Wenye Sun; Bo Dong; Changyuan Yu; Wei Zhao; Yishan Wang

doi:10.1117/12.2601391

9 October 2021 SAHS detection using contact-free MZI-BCG sensor

Xinning Jiang, Wei Xu, Cheung Chuen Yu, Wenye Sun, Bo Dong, Changyuan Yu, Wei Zhao, Yishan Wang

Proceedings Volume 11894, Optoelectronic Devices and Integration X; 118941G (2021) https://doi.org/10.1117/12.2601391
Event: SPIE/COS Photonics Asia, 2021, Nantong, JS, China

Conference Poster

Abstract

Real-time SAHS events detection system during sleep is proposed and investigated based on contact-free Mach-Zehnder Interferometer ballistocardiograph (MZI-BCG) senor, which is placed under the mattress. The breath activity influences the optical phase difference of the MZI which is demodulated with 3*3 optical coupler. In this paper, three SAHS events are successfully detected, including OSAS (Obstructive sleep apnea syndrome), CSAS (Central sleep apnea syndrome) and MSAS (Mixed sleep apnea syndrome). The proposed system is simple, cost-effective and non-invasive, which has great potential application in home monitoring

Citation Download Citation

Xinning Jiang, Wei Xu, Cheung Chuen Yu, Wenye Sun, Bo Dong, Changyuan Yu, Wei Zhao, and Yishan Wang "SAHS detection using contact-free MZI-BCG sensor", Proc. SPIE 11894, Optoelectronic Devices and Integration X, 118941G (9 October 2021); https://doi.org/10.1117/12.2601391

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