3D‐printed high‐gain beam‐switching dielectric transmitarray fed by an integrated lens antenna
Vimal Kumar,
Gunjan Srivastava,
Akhilesh Mohan
Abstract:This article presents a high‐gain linearly polarized three‐dimensionally‐printed dielectric transmitarray with an integrated lens antenna (ILA) as a feed source. The proposed transmitarray contains 1336 unit cells of 16 different types with a gradual phase change of 22.5°. The unit cells have a cross‐section of 5.4 × 5.4 mm, and their height varies from 0 to 24.2 mm for different gradual phase changes. The designed transmitarray shows a maximum gain of 19.5 dBi at 28 GHz with a 3‐dB beamwidth of less than 7° i… Show more
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