Heart Rate Monitoring Sensor Based on Singlemode-Multimode-Singlemode Fiber

  • Ninik IrawatiEmail author
  • Agus Muhamad HattaEmail author
  • Yoseph Gita Yhun Yhuwana
  • Sekartedjo
Open Access


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.


Heart rate monitoring fiber optic sensor SMS fiber singlemode-multimode-singlemode fiber hear rate sensor 



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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© The Author(s) 2019

Open Access This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (, which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

Authors and Affiliations

  1. 1.Department of Engineering PhysicsInstitute Teknologi Sepuluh NopemberSurabayaIndonesia
  2. 2.Aston Institute of TechnologiesAston UniversityBirmighamUnited Kingdom
  3. 3.Department of PhysicsAirlangga UniversitySurabayaIndonesia

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