Vital Signs Monitoring Based on Interferometric Fiber Optic Sensors

Weimin Lyu, Shuyang Chen, Fengze Tan, Changyuan Yu

Research output: Journal article publicationReview articleAcademic researchpeer-review

13 Citations (Scopus)


Due to the improvement of living standards, people’s attention to health has gradually increased. More and more people are willing to spend money and time on health management. This article reviews work on the vital signs monitoring system based on fiber optic interferometers, including the design of sensor structures, signal demodulation methods and data analysis. After a large number of trials, the system can achieve long-term stable heart rate (HR), respiration rate (RR) and body temperature monitoring, and the collected data can be used for health analysis. Due to the high sensitivity, low cost, and light weight of the interferometric fiber optic sensor, it can be integrated under a mattress or a cushion, which is very suitable for daily use. The system has great application prospects in the field of healthcare.

Original languageEnglish
Article numberphotonics-09-00050
Pages (from-to)1-18
Number of pages18
Issue number2
Publication statusPublished - Feb 2022


  • Demodulation schemes
  • Heart rate analysis
  • Myocardial contractility assessment
  • Optical fiber interferometers
  • Sleep analysis
  • Vital signs monitoring

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Instrumentation
  • Radiology Nuclear Medicine and imaging


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