High Aperture Efficient Corrugated Plate Antenna at X-band
High Aperture Efficient Corrugated Plate Antenna at X-band
- Author(s): S. Alkaraki and Yue Gao
- DOI: 10.1049/cp.2017.0307
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- Author(s): S. Alkaraki and Yue Gao Source: Loughborough Antennas & Propagation Conference (LAPC 2017), 2017 page (3 pp.)
- Conference: Loughborough Antennas & Propagation Conference (LAPC 2017)
- DOI: 10.1049/cp.2017.0307
- ISBN: 978-1-78561-699-0
- Location: Loughborough, UK
- Conference date: 13-14 Nov. 2017
- Format: PDF
This paper presents a compact and high aperture efficient corrugated plate antenna for X-band applications. The proposed antenna consists of two metallic thin plates stacked on top of each other, where the electromagnetic energy is launched into a cavity between both plates through a standard rectangular x-band waveguide and coupled to the top plate surface via three slots. Furthermore, the three slots in the top plate are surrounded by periodic corrugations and rectangular cavity that dramatically improve the gain of the antenna, hence improving its aperture efficiency. The proposed antenna has high performance in terms of bandwidth, gain, aperture efficiency and radiation efficiency. The peak gain of the proposed antenna is 18.5 dBi with a peak of aperture efficiency of 63.2% and radiation efficiency of more than 94% over its entire bandwidth.
Inspec keywords: aperture antennas; slot antennas; rectangular waveguides
Subjects: Single antennas; Waveguides and microwave transmission lines
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