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Long modal interference in multimode fiber and its application in vital signs monitoring
Xu, Wei1,2; Shen, Ying3; Yu, Changyuan4; Dong, Bo1,2,5; Zhao, Wei1,2,5; Wang, Yishan1,2,5
Department瞬态光学研究室
2020-11-01
Source PublicationOptics Communications
ISSN00304018
Volume474
Contribution Rank1
Abstract

All-fiber vital signs monitoring based on long-modal-interference (LMI) in multimode fiber (MMF) is proposed and investigated theoretically and experimentally. The LMI-MMF is simply formed by splicing of a two-meter-long MMF and two single mode fibers (SMFs) with core-offsets at splicing joints. It is worth mentioning that all fibers that used are sheathed with 900-μm protection sleeve. Core-offset dependency of vital signs monitoring performance is specifically analyzed. Experiments are carried out on subjects with weight from 56 kg to 103 kg without further optimization or modification. Compared with commercial piezoceramic-based respiratory sensor and SpO2-based heartbeat sensor, the proposed non-wearable all-fiber vital signs monitoring sensor based on LMI-MMF shows great consistence with high Person's correlation coefficient. It is the first time to put forward the LMI-MMF-based fiber sensor and apply it to realize the non-wearable vital signs monitoring. Specific superiorities of low cost, real time and non-intrusiveness make it potentially competitive in household healthcare and other medical fields. © 2020 Elsevier B.V.

KeywordAll-fiber Vital signs monitoring Long modal interference
DOI10.1016/j.optcom.2020.126100
Indexed BySCI ; EI
Language英语
WOS IDWOS:000579424200049
PublisherElsevier B.V.
EI Accession Number20202208759915
Citation statistics
Cited Times:7[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.opt.ac.cn/handle/181661/93466
Collection瞬态光学研究室
Corresponding AuthorDong, Bo
Affiliation1.State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an; 710119, China;
2.University of Chinese Academy of Sciences, Beijing; 100049, China;
3.School of Electronic & Information Engineering, Soochow University, 215006, China;
4.Department of Electronic and Information Engineering, The Hong Kong Polytechnic University, Hong Kong;
5.Collaborative Innovation Center of Extreme Optics Shanxi University, Taiyuan; 030006, China
Recommended Citation
GB/T 7714
Xu, Wei,Shen, Ying,Yu, Changyuan,et al. Long modal interference in multimode fiber and its application in vital signs monitoring[J]. Optics Communications,2020,474.
APA Xu, Wei,Shen, Ying,Yu, Changyuan,Dong, Bo,Zhao, Wei,&Wang, Yishan.(2020).Long modal interference in multimode fiber and its application in vital signs monitoring.Optics Communications,474.
MLA Xu, Wei,et al."Long modal interference in multimode fiber and its application in vital signs monitoring".Optics Communications 474(2020).
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