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J Electromagn Eng Sci > Volume 14(3); 2014 > Article
Journal of Electromagnetic Engineering and Science 2014;14(3):306-313.
DOI: https://doi.org/10.5515/JKIEES.2014.14.3.306   
Design of a Low-Profile, High-Gain Fabry-Perot Cavity Antenna for Ku-Band Applications
Truong Khang Nguyen1, Ikmo Park2
1Division of Energy Systems Research, Ajou University
2Department of Electrical and Computer Engineering, Ajou University
Abstract
A Fabry-Perot resonator cavity antenna for Ku-band application is presented in this paper. The Fabry-Perot cavity is formed by a ground plane and a frequency selective surface (FSS) made of a circular hole array. The cavity resonance is excited by a single-feed microstrip patch located inside the cavity. The measured results show that the proposed antenna has an impedance bandwidth of approximately 13% ($VSWR{leq}2$) and a 3-dB gain bandwidth of approximately 7%. The antenna produces a maximum gain of 18.5 dBi and good radiation patterns over the entire 3-dB gain bandwidth. The antenna's very thin profile, high directivity, and single excitation feed make it promising for use in wireless and satellite communication applications in a Ku-band frequency.
Key words: Directive Antenna, Fabry-Perot Resonator, Frequency Selective Surface

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