A high-gain lens antenna based on novel left-handed metamaterial

2017 ◽  
Author(s):  
Jian Yang ◽  
Feng Xu ◽  
Wenjian Chen ◽  
Lewei Cao
Keyword(s):  
High Gain ◽  
Lens Antenna ◽  
Left Handed

scholarly journals High-Efficiency Polarizer Reflectarray Antennas for Data Transmission Links from a CubeSat

Electronics ◽  
2021 ◽  
Vol 10 (15) ◽  
pp. 1802
Author(s):  
Eduardo Martinez-de-Rioja ◽  
Daniel Martinez-de-Rioja ◽  
Rafael López-Sáez ◽  
Ignacio Linares ◽  
Jose A. Encinar
Keyword(s):  
Circular Polarization ◽  
Data Transmission ◽  
High Efficiency ◽  
High Gain ◽  
Dual Band ◽  
Left Handed ◽  
Linearly Polarized ◽  
Flat Profile ◽  
First Time ◽  
Collimated Beam

This paper presents two designs of high-efficiency polarizer reflectarray antennas able to generate a collimated beam in dual-circular polarization using a linearly polarized feed, with application to high-gain antennas for data transmission links from a Cubesat. First, an 18 cm × 18 cm polarizer reflectarray operating in the 17.2–22.7 GHz band has been designed, fabricated, and tested. The measurements of the prototype show an aperture efficiency of 52.7% for right-handed circular polarization (RHCP) and 57.3% for left-handed circular polarization (LHCP), both values higher than those previously reported in related works. Then, a dual-band polarizer reflectarray is presented for the first time, which operates in dual-CP in the frequency bands of 20 GHz and 30 GHz. The proposed antenna technology enables a reduction of the complexity and cost of the feed chain to operate in dual-CP, as a linear-to-circular polarizer is no longer required. This property, combined with the lightweight, flat profile and low fabrication cost of printed reflectarrays, makes the proposed antennas good candidates for Cubesat applications.

High-Gain Circularly Polarized Lens Antenna for Terahertz Applications

2019 ◽  
Vol 18 (5) ◽  
pp. 921-925 ◽  
Author(s):  
Geng Bo Wu ◽  
Yuan-Song Zeng ◽  
Ka Fai Chan ◽  
Shi-Wei Qu ◽  
Chi Hou Chan
Keyword(s):  
High Gain ◽  
Lens Antenna ◽  
Circularly Polarized ◽  
Terahertz Applications

scholarly journals Composite right/left‐handed based compact and high gain leaky‐wave antenna using complementary spiral resonator on HMSIW for Ku band applications

2018 ◽  
Vol 12 (8) ◽  
pp. 1310-1315 ◽  
Author(s):  
Anirban Sarkar ◽  
Moitreya Adhikary ◽  
Abhishek Sharma ◽  
Animesh Biswas ◽  
Mohammed Jaleel Akhtar ◽  
...  
Keyword(s):  
High Gain ◽  
Leaky Wave ◽  
Left Handed ◽  
Leaky Wave Antenna ◽  
Wave Antenna ◽  
Ku Band

scholarly journals A Novel Metamaterial-Based Planar Integrated Luneburg Lens Antenna With Wide Bandwidth and High Gain

IEEE Access ◽  
2020 ◽  
Vol 8 ◽  
pp. 4708-4713 ◽  
Author(s):  
Bo Hu ◽  
Tao Wu ◽  
Yang Cai ◽  
Wei Zhang ◽  
Bao-Ling Zhang
Keyword(s):  
High Gain ◽  
Wide Bandwidth ◽  
Lens Antenna ◽  
Luneburg Lens
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