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Keywords = additive manufactuing

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13 pages, 4543 KiB  
Article
Beam Scanning Capabilities of a 3D-Printed Perforated Dielectric Transmitarray
by Andrea Massaccesi, Gianluca Dassano and Paola Pirinoli
Electronics 2019, 8(4), 379; https://doi.org/10.3390/electronics8040379 - 28 Mar 2019
Cited by 24 | Viewed by 4868
Abstract
In this paper, the design of a beam scanning, 3D-printed dielectric Transmitarray (TA) working in Ka-band is discussed. Thanks to the use of an innovative three-layer dielectric unit-cell that exploits tapered sections to enhance the bandwidth, a 50 × 50 elements transmitarray with [...] Read more.
In this paper, the design of a beam scanning, 3D-printed dielectric Transmitarray (TA) working in Ka-band is discussed. Thanks to the use of an innovative three-layer dielectric unit-cell that exploits tapered sections to enhance the bandwidth, a 50 × 50 elements transmitarray with improved scanning capabilities and wideband behavior has been designed and experimentally validated. The measured radiation performances over a scanning coverage of ±27 shown a variation of the gain lower than 2.9 dB and a 1-dB bandwidth in any case higher than 23%. The promising results suggest that the proposed TA technology is a valid alternative to realize a passive multibeam antenna, with the additional advantage that it can be easily manufactured using 3D-printing techniques. Full article
(This article belongs to the Special Issue Millimeter-Wave (mmWave) Communications)
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