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Zalevsky Z. Fiber-based wearable sensors for bio-medical monitoring. Opto-Electron Adv 8, 250026 (2025). doi: 10.29026/oea.2025.250026
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Abstract
In a recent study, Prof. Rui Min and collaborators published their paper in the journal of Opto-Electronic Science that is entitled "Smart photonic wristband for pulse wave monitoring". The paper introduces novel realization of a sensor that uses a polymer optical multi-mode fiber to sense pulse wave bio-signal from a wrist by analyzing the specklegram measured at the output of the fiber. Applying machine learning techniques over the pulse wave signal allowed medical diagnostics and recognizing different gestures with accuracy rate of 95%. -
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References
[1] Chen SW, Qi JM, Fan SC et al. Flexible wearable sensors for cardiovascular health monitoring. Adv Healthc Mater 10, 2100116 (2021). doi: 10.1002/adhm.202100116 [2] Sun YZ, Zhang ZQ, Zhou Y et al. Wearable strain sensor based on double-layer graphene fabrics for real-time, continuous acquirement of human pulse signal in daily activities. Adv Mater Technol 6, 2001071 (2021). doi: 10.1002/admt.202001071 [3] Wang X, Zhou HY, Chen MH et al. Highly sensitive strain sensor based on microfiber coupler for wearable photonics healthcare. Adv Intell Syst 5, 2200344 (2023). doi: 10.1002/aisy.202200344 [4] Jia DG, Chao J, Li S et al. A fiber Bragg grating sensor for radial artery pulse waveform measurement. IEEE Trans Biomed Eng 65, 839–846 (2018). doi: 10.1109/TBME.2017.2722008 [5] Smith DL, Nguyen LV, Ottaway DJ et al. Machine learning for sensing with a multimode exposed core fiber specklegram sensor. Opt Express 30, 10443–10455 (2022). doi: 10.1364/OE.443932 [6] Bennett A, Beiderman Y, Agdarov S et al. Monitoring of vital bio-signs by analysis of speckle patterns in a fabric-integrated multimode optical fiber sensor. Opt Express 28, 20830–20844 (2020). doi: 10.1364/OE.384423 [7] Pal D, Agadarov S, Beiderman Y et al. Non-invasive blood glucose sensing by machine learning of optic fiber-based speckle pattern variation. J Biomed Opt 27, 097001 (2022). [8] Sirkis T, Beiderman Y, Agdarov S et al. Monitoring blood vital bio signs using secondary speckle patterns. Opt Express 24, 27899–27909 (2016). doi: 10.1364/OE.24.027899 [9] Sirkis T, Agdarov S, Beiderman Y et al. Emerging technology design: smart bio-sensing clothing. Eng Technol Ref 2016, (2016). doi: 10.1049/etr.2016.0005 [10] Kuang RF, Wang Z, Ma L et al. Smart photonic wristband for pulse wave monitoring. Opto-Electron Sci 3, 240009 (2024). doi: 10.29026/oes.2024.240009 -
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Zalevsky Z. Fiber-based wearable sensors for bio-medical monitoring. Opto-Electron Adv 8, 250026 (2025). doi: 10.29026/oea.2025.250026
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Figure 1.
Pulse wave sensing configuration for a polymer optical fiber (POF) integrated into a wristband (Figure reproduced from ref.10).
