A C-Band Flat Lens Antenna With Double-Ring Slot Elements

A novel flat lens antenna using double-ring slot element is presented. Compared to those conventional high-gain antennas, the proposed lens antenna can realize greater flexibility in the installation with less manufacturing complexity. A prime-focus 49-element prototype lens antenna using the propos...

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Bibliographic Details
Published in:IEEE antennas and wireless propagation letters 2013, Vol.12, p.341-344
Main Authors: Chen, Yang, Chen, Lei, Yu, Jian-Feng, Shi, Xiao-Wei
Format: Article
Language:English
Subjects:
Airborne antenna
Antenna measurements
Antenna radiation patterns
Bandwidth
Gain
high-gain antenna
lens antenna
Lenses
Phased arrays
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Description
Summary:A novel flat lens antenna using double-ring slot element is presented. Compared to those conventional high-gain antennas, the proposed lens antenna can realize greater flexibility in the installation with less manufacturing complexity. A prime-focus 49-element prototype lens antenna using the proposed elements has been fabricated and measured. The highest measured gain is 16.7 dBi at the center frequency of 6 GHz, and a relative bandwidth of 15% is achieved within 3-dB gain variations. All experimental results demonstrate that the proposed lens antenna can be used as an optimum airborne antenna in the future.
ISSN:1536-1225
1548-5757
DOI:10.1109/LAWP.2013.2247973