Design and Comparative Validation of Antipodal Vivaldi Antenna using Periodic Elliptical-Slots with Extended Triangular-shaped as Dielectric lens for Microwave Imaging Applications

2019 ◽  
Author(s):  
Faraz Ahmed Shaikh ◽  
Sheroz Khan ◽  
AHM Zahirul Alam ◽  
Zeeshan Shahid ◽  
Talha Ahmed Khan
Keyword(s):  
Microwave Imaging ◽  
Dielectric Lens ◽  
Vivaldi Antenna ◽  
Comparative Validation

A Fern Antipodal Vivaldi Antenna for Near-Field Microwave Imaging Medical Applications

2021 ◽  
pp. 1-1
Author(s):  
Alexandre M. De Oliveira ◽  
Antonio M. De Oliveira ◽  
Marcelo B. Perotoni ◽  
N. Nurhayati ◽  
Henri Baudrand ◽  
...  
Keyword(s):  
Near Field ◽  
Microwave Imaging ◽  
Medical Applications ◽  
Vivaldi Antenna

UWB antipodal vivaldi antenna for microwave imaging of construction materials and structures

2017 ◽  
Vol 59 (6) ◽  
pp. 1259-1264 ◽  
Author(s):  
Mahdi Moosazadeh ◽  
Sergey Kharkovsky ◽  
Joseph T. Case ◽  
Bijan Samali
Keyword(s):  
Construction Materials ◽  
Microwave Imaging ◽  
Vivaldi Antenna

Design of a high-gain dual-band antipodal Vivaldi antenna array for 5G communications

2021 ◽  
pp. 1-9
Author(s):  
Sumit Kumar ◽  
Amruta S. Dixit
Keyword(s):  
Frequency Spectrum ◽  
Impedance Matching ◽  
High Gain ◽  
Dual Band ◽  
Dual Frequency ◽  
Band Frequency ◽  
Dielectric Lens ◽  
Bottom Side ◽  
Simulation Results ◽  
Vivaldi Antenna

Abstract This paper presents a dual-band 1 × 4 antipodal Vivaldi antenna (AVA) array with high gain to operate over a dual-frequency band that covers the 5G frequency spectrum. The gain is enhanced by employing a dielectric lens (DL). The AVA array consists of four radiating patch elements, corrugations, DL, and array feeding network on the top side. The bottom side contains four radiating patches which are the mirror images of top radiating patches. The designed AVA contains 1 × 4 array antenna elements with a DL that is operating in the ranges of 24.59–24.98 and 27.06–29 GHz. The dimensions of the designed antenna are 97.2 mm × 71.2 mm × 0.8 mm. For the improvement in gain and impedance matching at the dual-band frequency, corrugation and feeding network techniques are used. The gain obtained is about 8–12 dBi. AVA array is tested after fabrication and the measured results are reliable with the simulation results.

Microwave imaging of hidden crevasse in glacier terrain using metamaterial loaded eight-slot Vivaldi antenna

2019 ◽  
Vol 34 (2) ◽  
pp. 259-274
Author(s):  
G. Gopikrishnan ◽  
Z. Akhter ◽  
Vikesh S. Bhadouria ◽  
M. J. Akhtar
Keyword(s):  
Microwave Imaging ◽  
Vivaldi Antenna
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