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Novel Apodized Fiber Bragg GratingApplied for Medical Sensors:Performance Investigation

Computer Modeling in Engineering & Sciences 2023年第4期135卷 301-323页

作者： ramya arumugam Ramamoorthy Kumar Samiappan Dhanalakshmi Khin Wee Lai Lei Jiao Xiang Wu Department of Electronics and Communication Engineering College of Engineering and TechnologySRM Institute of Science and TechnologyKattankulathurChengalpattu603203India Department of Biomedical Engineering Faculty of EngineeringUniversiti MalayaKuala Lumpur50603Malaysia General Hospital of Xuzhou Mining Group Xuzhou221000China School of Medical Information&Engineering Xuzhou Medical UniversityXuzhou221000China

Sensors play an important role in shaping and monitoring human *** of methods to use Fiber Bragg Grating(FBG)with enhanced sensitivity has attracted great interest in the field of medical *** this paper,a novel apodization function is proposed and performance evaluation and optimization of the same have been made.A comparison was conducted between various existing apodization functions and the proposed one based on optical characteristics and sensor *** results evince the implementation of the proposed apodization function for vital sign *** optical characteristics considered for evaluation are Peak Resonance Reflectivity level,Side Lobes Reflectivity level and FullWidth HalfMaximum(FWHM).The proposed novel apodization novel function has better FWHM,which is narrower than the FWHM of uniform *** characteristics like a quality parameter,detection accuracy and sensitivity also show *** proposed novel apodization function is demonstrated to have a better shift in wavelength in terms of temperature and pulse measurement than the existing *** sensitivity of the proposed apodized function is enhanced with a Poly-dimethylsiloxane coating of varying thickness,which is 6 times and 5.14 times greater than uniform Fiber Bragg grating and FBG with the proposed novel apodization function,respectively,enhancing its utilization in the field of medicine.

关键词： Fiber bragg grating apodization optical sensing temperature strain sensitivity

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