Design and Implementation of the Temperature Sensor for Health Care Monitoring Based on Optical Fiber Technology

Ahmed, Dawood S.; Ali, Alaa H.; Kadhim, Shehab A.; Fandi, Sawsan K.

doi:10.30684/etj.v39i10.2170

	Design and Implementation of the Temperature Sensor for Health Care Monitoring Based on Optical Fiber Technology
Engineering and Technology Journal
Article 12, Volume 39, Issue 10, October 2021, Pages 1583-1587 PDF (903.64 K)
Document Type: Research Paper
DOI: 10.30684/etj.v39i10.2170
Authors
Dawood S. Ahmed^* ¹; Alaa H. Ali¹; Shehab A. Kadhim²; Sawsan K. Fandi²
¹Electrical Engineering Dept., University of Technology-Iraq, Alsina’a street,10066 Baghdad, Iraq.
²Ministry of Science and Technology, Materials Research Directorate, Baghdad, Iraq.
Abstract
Human health is represented due to the measurement of vital signs. The basic vital signs are temperature, heart pulse rate, oxygen percentage in blood, blood pressure, etc. These signs are changes according to the physical and mental status of the individual. So measuring and monitoring those signs are very important. In this work, design and implementation of human Temperature Sensor are submitted. This is achieved using optical fiber technology. Two sensor diameters were tested; 125 µm and 60µm. The obtained results show a shifting in wavelength towards the red region due to temperature application. The submitted sensor has good sensitivity and linearity. Both sensors exhibit good responsivity, sensitivity, and high linearity. The sensitivity is increased about five times when the diameter is decreased.
Highlights
An optical fiber temperature sensor based on MZI. Using a single-mode fiber two different diameters (125 µm, 60 µm). The sensitivity was good, and the sensitivity is increased about five times when the diameter is decreased.
Keywords
Optical Fiber; Temperature sensor; Blood pressure

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