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
The optical fiber sensors-based nanostructured materials have a large range of applications
Laser light was invented in the year 1960 and after the invention of lasers, researchers showed an interest in the applications of optical fiber sensors
As well as possessing extreme sensitivity, are electrically passive
Summary
The optical fiber sensors-based nanostructured materials have a large range of applications. Fiber optic sensors are excellent candidates for tracking environmental changes, and they have several of advantages over traditional electronic sensors [5, 6, 7] Due to their small size and immunity to electromagnetic interference and radio frequency interference, lightweight, and high sensitivity. Fiber optics sensors have many applications compared to traditional sensors, because they have many advantages such as small size, high sensitivity, and immunity to electromagnetic interference such as energy, civil infrastructure, transportation monitoring, and medical application [8].The sensors are biocompatible (non-toxic and biochemically inert) and resistant to electromagnetic interference They may be used to contact external organs such as the skin or surgically exposed surfaces noninvasively. After three freeze-thaw periods, stability was a must maintained for 24 hours at room temperature, and 21 days at 80°C LEV concentrations in the serum of 19 patients were measured using this procedure and was found to be successful [14]
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