Abstract
The singlemode-multimode-singlemode (SMS) fiber structure for a heart rate monitoring is proposed and developed. An artificial electrocardiogram (ECG) signal is used to simulate the heart pulse at different rates ranging from 50 beats per minute (bpm) to 200 bpm. The SMS fiber structure is placed at the center of a loudspeaker and it senses the vibration of the pulse. The vibration of the pulse signal applied to the SMS fiber structure changes the intensity of the optical output power. The proposed sensor shows a linear frequency of the heart rate sensing range that matches well with the relevant heart rate from the artificial ECG. This work shows the capability of the SMS fiber structure monitoring the heart rate frequencies for a long term, high stability realization, and reproducibility, and being suitable for the observation in hospitals as well as in other environments.
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Acknowledgment
This work was supported by the Directorate of Research and Community Service - Ministry of Research, Technology and Higher Education, Republic of Indonesia (Grant Nos. 6/E/KPT/2019 and 954/PKS/ITS/2019).
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Irawati, N., Hatta, A.M., Yhuwana, Y.G.Y. et al. Heart Rate Monitoring Sensor Based on Singlemode-Multimode-Singlemode Fiber. Photonic Sens 10, 186–193 (2020). https://doi.org/10.1007/s13320-019-0572-7
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DOI: https://doi.org/10.1007/s13320-019-0572-7