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http://hdl.handle.net/10397/106908
Title: | Contactless vital signs monitoring based on few-mode and multi-core fibers | Authors: | Tan, FZ Lyu, WM Chen, SY Liu, ZY Yu, CY |
Issue Date: | 2020 | Source: | Opto-electronic advances, 2020, v. 3, no. 5, 190034, p. 190034‐1 - 190034‐12 | Abstract: | Few-mode and multi-core fibers are proposed and demonstrated for contactless vital signs monitoring in this paper. In-line optical fiber interferometers using few-mode and multi-core fibers are designed and offset splicing is utilized for mode excitation. Extinction ratio and insertion loss are analyzed experimentally under different offset distances. The fabricated in-line interferometers are packaged under the mattress to realize contactless vital signs signals collection. By using filtering techniques, both respiration and heartbeat signals can be recovered successfully, and respiration as well as heartbeat ratio are obtained. Mode excitation and interference are theoretically analyzed in few-mode fiber while curvature sensing experiments using multi-core fiber interferometer are performed to verify its excellent performance on vital signs monitoring. The successful demonstration on contactless vital signs monitoring makes few-mode and multi-core fibers promising candidates for healthcare applications. | Keywords: | Few-mode fiber In-line interferometer Multi-core fiber Vital signs monitoring |
Publisher: | Editorial Office of Opto-Electronic Advances | Journal: | Opto-electronic advances | ISSN: | 2096-4579 | DOI: | 10.29026/oea.2020.190034 | Rights: | © 2020 Institute of Optics and Electronics, Chinese Academy of Sciences. All rights reserved. Open access articles are published under a CC BY license (Creative Commons Attribution 4.0 International License). The CC BY license is preferred by many research funding bodies. It allows for maximum dissemination and re-use of open access materials: users are free to share (copy, distribute and transmit) and remix (adapt) the contribution including for commercial purposes, providing they attribute the contribution in the manner specified by the author or licensor. Under Creative Commons licenses, authors retain copyright in their work. Authors should note that some funders require papers to be published under a specific license and so should check the funder mandate to ensure compliance. The following publication Tan F Z, Lyu W M, Chen S Y, Liu Z Y, Yu C Y. Contactless vital signs monitoring based on few-mode and multi-core fibers. Opto-Electron Adv 3, 190034 (2020). doi: 10.29026/oea.2020.190034. |
Appears in Collections: | Journal/Magazine Article |
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OEA-3-5-190034-1.pdf | 10.58 MB | Adobe PDF | View/Open |
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