Design and comparative validation of antipodal vivaldi antenna using periodic elliptical-slots with extended triangular-shaped as dielectric lens for microwave imaging applications

This paper presents the novel design of an ultra" #ideband (UWB) antipodal Vivaldi antenna using periodic elliptical slots (PES"AVA) for microwave and radar imaging applications. Further, the high permittivity (ɛr=10.2) dielectric lens which triangular in shaped is introduced in"!ro...

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Main Authors:	Shaikh, Faraz Ahmed, Khan, Sheroz, Alam, A. H. M. Zahirul, Shahid, Zeeshan, Khan, Talha Ahmed
Format:	Conference or Workshop Item
Language:	English English
Published:	IEEE 2019
Subjects:	TK Electrical engineering. Electronics Nuclear engineering
Online Access:	http://irep.iium.edu.my/76167/ http://irep.iium.edu.my/76167/ http://irep.iium.edu.my/76167/1/ICSIMA-2019.pdf http://irep.iium.edu.my/76167/2/Full-Technical-Program-ICSIMA-2019v2.pdf

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recordtype	eprints
spelling	iium-761672019-11-13T08:35:26Z http://irep.iium.edu.my/76167/ Design and comparative validation of antipodal vivaldi antenna using periodic elliptical-slots with extended triangular-shaped as dielectric lens for microwave imaging applications Shaikh, Faraz Ahmed Khan, Sheroz Alam, A. H. M. Zahirul Shahid, Zeeshan Khan, Talha Ahmed TK Electrical engineering. Electronics Nuclear engineering This paper presents the novel design of an ultra" #ideband (UWB) antipodal Vivaldi antenna using periodic elliptical slots (PES"AVA) for microwave and radar imaging applications. Further, the high permittivity (ɛr=10.2) dielectric lens which triangular in shaped is introduced in"!ront (PES" AVA"3) to improve the linear polarization performance, gain as well as directivity of the antenna. The antenna design and its optimization process offer good outcomes by using low"+ost substrate material, ﬁberglass reinforced grade 4 (FR4) with a thickness of 1.57mm and permittivity of (ɛr=4.3) respectively. The (PES"AVA) antenna design produces the average effects of gain (5"9dB) and directivity of (5"10dBi). However, the addition of the triangular"shaped dielectric lens placed in front of an antenna is able to improve the peak gain up to 10.6dB with 11.9dBi in directivity. The radiation patterns of the proposed antenna have been also improved by using the dielectric lens where the magnitude of the main lobe is larger than (PES"AVA). Around 2dB improvements in gain at different UWB frequency level with better directivity using the dielectric lens with antenna (PES"AVA"3) as compared to regular (PES"AVA). The dimension of the proposed antenna is 60.75mm x 66mm approximately. The designed antenna operates with in frequency range of (3GHz"to"10GHz). The structural layout and comparative validation of (PES"AVA) with or with"out dielectric lens have been certified using CST simulation software. IEEE 2019-08 Conference or Workshop Item PeerReviewed application/pdf en http://irep.iium.edu.my/76167/1/ICSIMA-2019.pdf application/pdf en http://irep.iium.edu.my/76167/2/Full-Technical-Program-ICSIMA-2019v2.pdf Shaikh, Faraz Ahmed and Khan, Sheroz and Alam, A. H. M. Zahirul and Shahid, Zeeshan and Khan, Talha Ahmed (2019) Design and comparative validation of antipodal vivaldi antenna using periodic elliptical-slots with extended triangular-shaped as dielectric lens for microwave imaging applications. In: 2019 IEEE 6th International Conference on Smart Instrumentation, Measurement and Applications (ICSIMA 2019), 27th-29th August 2019, Kuala Lumpur, Malaysia. https://icsima.ieeemy-ims.org/19/
repository_type	Digital Repository
institution_category	Local University
institution	International Islamic University Malaysia
building	IIUM Repository
collection	Online Access
language	English English
topic	TK Electrical engineering. Electronics Nuclear engineering
spellingShingle	TK Electrical engineering. Electronics Nuclear engineering Shaikh, Faraz Ahmed Khan, Sheroz Alam, A. H. M. Zahirul Shahid, Zeeshan Khan, Talha Ahmed Design and comparative validation of antipodal vivaldi antenna using periodic elliptical-slots with extended triangular-shaped as dielectric lens for microwave imaging applications
description	This paper presents the novel design of an ultra" #ideband (UWB) antipodal Vivaldi antenna using periodic elliptical slots (PES"AVA) for microwave and radar imaging applications. Further, the high permittivity (ɛr=10.2) dielectric lens which triangular in shaped is introduced in"!ront (PES" AVA"3) to improve the linear polarization performance, gain as well as directivity of the antenna. The antenna design and its optimization process offer good outcomes by using low"+ost substrate material, ﬁberglass reinforced grade 4 (FR4) with a thickness of 1.57mm and permittivity of (ɛr=4.3) respectively. The (PES"AVA) antenna design produces the average effects of gain (5"9dB) and directivity of (5"10dBi). However, the addition of the triangular"shaped dielectric lens placed in front of an antenna is able to improve the peak gain up to 10.6dB with 11.9dBi in directivity. The radiation patterns of the proposed antenna have been also improved by using the dielectric lens where the magnitude of the main lobe is larger than (PES"AVA). Around 2dB improvements in gain at different UWB frequency level with better directivity using the dielectric lens with antenna (PES"AVA"3) as compared to regular (PES"AVA). The dimension of the proposed antenna is 60.75mm x 66mm approximately. The designed antenna operates with in frequency range of (3GHz"to"10GHz). The structural layout and comparative validation of (PES"AVA) with or with"out dielectric lens have been certified using CST simulation software.
format	Conference or Workshop Item
author	Shaikh, Faraz Ahmed Khan, Sheroz Alam, A. H. M. Zahirul Shahid, Zeeshan Khan, Talha Ahmed
author_facet	Shaikh, Faraz Ahmed Khan, Sheroz Alam, A. H. M. Zahirul Shahid, Zeeshan Khan, Talha Ahmed
author_sort	Shaikh, Faraz Ahmed
title	Design and comparative validation of antipodal vivaldi antenna using periodic elliptical-slots with extended triangular-shaped as dielectric lens for microwave imaging applications
title_short	Design and comparative validation of antipodal vivaldi antenna using periodic elliptical-slots with extended triangular-shaped as dielectric lens for microwave imaging applications
title_full	Design and comparative validation of antipodal vivaldi antenna using periodic elliptical-slots with extended triangular-shaped as dielectric lens for microwave imaging applications
title_fullStr	Design and comparative validation of antipodal vivaldi antenna using periodic elliptical-slots with extended triangular-shaped as dielectric lens for microwave imaging applications
title_full_unstemmed	Design and comparative validation of antipodal vivaldi antenna using periodic elliptical-slots with extended triangular-shaped as dielectric lens for microwave imaging applications
title_sort	design and comparative validation of antipodal vivaldi antenna using periodic elliptical-slots with extended triangular-shaped as dielectric lens for microwave imaging applications
publisher	IEEE
publishDate	2019
url	http://irep.iium.edu.my/76167/ http://irep.iium.edu.my/76167/ http://irep.iium.edu.my/76167/1/ICSIMA-2019.pdf http://irep.iium.edu.my/76167/2/Full-Technical-Program-ICSIMA-2019v2.pdf
first_indexed	2023-09-18T21:47:40Z
last_indexed	2023-09-18T21:47:40Z
_version_	1777413558655516672

Design and comparative validation of antipodal vivaldi antenna using periodic elliptical-slots with extended triangular-shaped as dielectric lens for microwave imaging applications

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