A High-Efficiency Single Layer Slot Array Antenna with GGW Pillbox Feeding System

  1. Mohammad Mohammadpour
  2. Farzad Mohajeri
  3. Seyed Ali Razavi Parizi
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Abstract

This paper presents a slot array antenna composed of H-plane horns as radiating slots and a pillbox feeding mechanism in gap waveguide (GW) technology. This new configuration presents a new full-metal slot array antenna with low complexity, fabrication cost, and high gain and directive radiation. The proposed fully metallic antenna leverages a design that offers high efficiency and a flat gain response over the desired bandwidth. A fabricated prototype exhibits 70–90% efficiency, an impedance bandwidth of about 8% (S 11 < -10 dB), and a 2.5 dB gain variation across the operating bandwidth.

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  1. Version published to 10.21203/rs.3.rs-5948956/v1 on Research Square