Optimizing tapered microfiber sensor design and simulation

Refractive index sensors measure the evanescent field energy to sense various environmental parameters. Evanescent field-based sensors depend on the tapered area geometry which is one of the important factors for optimising the sensor performance as well as achieving better sensitivit...

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Main Authors:	Al-Askari, Shadi, Hamida, Belal Ahmed, Khan, Sheroz, Harun, Sulaiman Wadi
Format:	Article
Language:	English
Published:	Asian Research Publishing Network (ARPN) 2016
Subjects:	QC Physics
Online Access:	http://irep.iium.edu.my/49563/ http://irep.iium.edu.my/49563/ http://irep.iium.edu.my/49563/2/OPTIMIZING_TAPERED_MICROFIBER_SENSOR_DESIGN_AND.pdf

id	iium-49563
recordtype	eprints
spelling	iium-495632017-01-10T03:25:49Z http://irep.iium.edu.my/49563/ Optimizing tapered microfiber sensor design and simulation Al-Askari, Shadi Hamida, Belal Ahmed Khan, Sheroz Harun, Sulaiman Wadi QC Physics Refractive index sensors measure the evanescent field energy to sense various environmental parameters. Evanescent field-based sensors depend on the tapered area geometry which is one of the important factors for optimising the sensor performance as well as achieving better sensitivity and higher resolution. Tapering fabrication process needs to be controlled properly in order to achieve the optimal design. A two-dimensional model of the tapered sensor is proposed and simulated using Finite Element Analysis software, COMSOL Multiphysics. The light scattering phenomenon is visualized for taper and waist areas. The effects of the taper length, the waist length and the waist diameter have been explored in order to find the optimal geometries design. The model provides initial data to the designer to program and control the taper ration and the taper length the fabrication process in order to obtain the highest penetration depth at the highest resolution. The results show that the evanescent field is significantly high when the core diameter is close or below the wavelength. The output graph illustrates that when the tapering ratio decreases, more light propagate into the surrounding making the sensor more sensitive to the ambient changes. The simulation shows that the profile of the sensor can be fine-tuned by changing the tapering ratio of the waist and the length of the taper in order to obtain high performance, ultra-high-resolution evanescent field sensor. Asian Research Publishing Network (ARPN) 2016-01-10 Article PeerReviewed application/pdf en http://irep.iium.edu.my/49563/2/OPTIMIZING_TAPERED_MICROFIBER_SENSOR_DESIGN_AND.pdf Al-Askari, Shadi and Hamida, Belal Ahmed and Khan, Sheroz and Harun, Sulaiman Wadi (2016) Optimizing tapered microfiber sensor design and simulation. ARPN Journal of Engineering and Applied Sciences, 11 (1). pp. 449-452. ISSN 1819-6608 http://www.arpnjournals.org/jeas/volume_01_2016.htm
repository_type	Digital Repository
institution_category	Local University
institution	International Islamic University Malaysia
building	IIUM Repository
collection	Online Access
language	English
topic	QC Physics
spellingShingle	QC Physics Al-Askari, Shadi Hamida, Belal Ahmed Khan, Sheroz Harun, Sulaiman Wadi Optimizing tapered microfiber sensor design and simulation
description	Refractive index sensors measure the evanescent field energy to sense various environmental parameters. Evanescent field-based sensors depend on the tapered area geometry which is one of the important factors for optimising the sensor performance as well as achieving better sensitivity and higher resolution. Tapering fabrication process needs to be controlled properly in order to achieve the optimal design. A two-dimensional model of the tapered sensor is proposed and simulated using Finite Element Analysis software, COMSOL Multiphysics. The light scattering phenomenon is visualized for taper and waist areas. The effects of the taper length, the waist length and the waist diameter have been explored in order to find the optimal geometries design. The model provides initial data to the designer to program and control the taper ration and the taper length the fabrication process in order to obtain the highest penetration depth at the highest resolution. The results show that the evanescent field is significantly high when the core diameter is close or below the wavelength. The output graph illustrates that when the tapering ratio decreases, more light propagate into the surrounding making the sensor more sensitive to the ambient changes. The simulation shows that the profile of the sensor can be fine-tuned by changing the tapering ratio of the waist and the length of the taper in order to obtain high performance, ultra-high-resolution evanescent field sensor.
format	Article
author	Al-Askari, Shadi Hamida, Belal Ahmed Khan, Sheroz Harun, Sulaiman Wadi
author_facet	Al-Askari, Shadi Hamida, Belal Ahmed Khan, Sheroz Harun, Sulaiman Wadi
author_sort	Al-Askari, Shadi
title	Optimizing tapered microfiber sensor design and simulation
title_short	Optimizing tapered microfiber sensor design and simulation
title_full	Optimizing tapered microfiber sensor design and simulation
title_fullStr	Optimizing tapered microfiber sensor design and simulation
title_full_unstemmed	Optimizing tapered microfiber sensor design and simulation
title_sort	optimizing tapered microfiber sensor design and simulation
publisher	Asian Research Publishing Network (ARPN)
publishDate	2016
url	http://irep.iium.edu.my/49563/ http://irep.iium.edu.my/49563/ http://irep.iium.edu.my/49563/2/OPTIMIZING_TAPERED_MICROFIBER_SENSOR_DESIGN_AND.pdf
first_indexed	2023-09-18T21:10:03Z
last_indexed	2023-09-18T21:10:03Z
_version_	1777411192439963648

Optimizing tapered microfiber sensor design and simulation

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