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A 3D printed reflectarray antenna is designed for operation at 60 GHz. The design methodology is based on the all-metal reflectarray approach in which the required reflection phase distribution is achieved by controlling the depths of the rectangular grooves on the reflecting surface. The metallic grooved surface is conveniently fabricated using 3D printing technology followed by metallization via...
High-gain beam-scanning antennas are very important in millimeter-wave (MMW) and terahertz (THz) applications. Dielectric lens is a good candidate for this purpose because it has no metal or feeding loss. In this work, a discrete dielectric lens with an antireflection layer is studied. A new method is proposed to realize beam-scanning properties in MMW region. The design concept is applicable to other...
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