Substrate integrated waveguide leaky wave antenna with circular polarization and improvement of the scan angle

2021 ◽  
Author(s):  
Mohsen Masoumi ◽  
Hamid Reza Dalili Oskouei ◽  
Mortez Mohammadi Shirkolaei ◽  
Ali Reza Mirtaheri
Keyword(s):  
Circular Polarization ◽  
Substrate Integrated Waveguide ◽  
Leaky Wave ◽  
Leaky Wave Antenna ◽  
Wave Antenna

scholarly journals A New Kind of Circular Polarization Leaky-Wave Antenna Based on Substrate Integrated Waveguide

2015 ◽  
Vol 2015 ◽  
pp. 1-6 ◽  
Author(s):  
Chong Zhang ◽  
Junhong Wang ◽  
Meie Chen ◽  
Zhan Zhang ◽  
Zheng Li
Keyword(s):  
Circular Polarization ◽  
Radiation Pattern ◽  
Structural Parameters ◽  
Axial Ratio ◽  
Polarization Property ◽  
Substrate Integrated Waveguide ◽  
Leaky Wave ◽  
Leaky Wave Antenna ◽  
Wave Antenna

A new kind of circular polarization leaky-wave antenna with N-shaped slots cut in the upper side of substrate integrated waveguide (SIW) is investigated and presented. The radiation pattern and polarization axial ratio of the leaky-wave antenna are studied. The results show that the width of N-shaped slots has significant effect on the circular polarization property of the antenna. By properly choosing structural parameters, the SIW based leaky-wave antenna can realize circular polarization with excellent axial ratio in 8 GHz satellite band.

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