Exploring Design Approaches for 3D Printed Antennas

Carvalho, Saúl S.; Reis, João R. V.; Mateus, Artur; Caldeirinha, Rafael F. S.

doi:10.1109/access.2024.3354372

Cited by 4 publications

(1 citation statement)

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“…The novelty of this work is using the 3D printing capability to fabricate an N-type-to-waveguide transition suitable for high-power applications while maintaining low weight and size compared to recent designs [31], [32]. Another contribution is that, unlike most reported studies, which used metasurfaces to serve one purpose, such as increasing the antenna gain [33], we introduced it for two completely different purposes.…”

Section: Introductionmentioning

confidence: 99%

Design of a 3D Printed Wide Band Metasurface Antenna for High Power Applications

Hamdalla,

Zawad,

Kunkle

et al. 2024

Preprint

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Weight-size optimization is the main challenge of high-power antenna design. This letter presents a low-profile, metasurface-based wideband antenna. The proposed antenna comprises an N-type-to-waveguide transition to excite the metasurfaces and handle high-power excitations. A metasurface array of 4×4-unit cells is integrated into the waveguide. The proposed waveguide is 3D printed, and its internal faces are covered by copper tape to maintain a low weight (less than 0.5 lb.). The prototype is experimentally tested, and the results confirm the prototype’s functionality from 2.1 GHz to 3.6 GHz with a bandwidth of 52.6 % and a peak gain of 8.5 dBi. Furthermore, the high-power handling capability of the proposed design has been experimentally confirmed by exciting it with a 7 kV pulsed source. These results demonstrate the applicability of the proposed antenna in satellite communication, radar communication, and wireless communication between Unmanned Aerial Vehicles (UAVs).

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Section: Introductionmentioning

confidence: 99%

Design of a 3D Printed Wide Band Metasurface Antenna for High Power Applications

Hamdalla,

Zawad,

Kunkle

et al. 2024

Preprint

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A State-of-the-Art Review on 4D Printed Antennas and Other Adaptable Designs

Carvalho,

Reis,

Caldeirinha

2024

IEEE Access

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This article offers a thorough review of the current state-of-the-art in four-dimensional (4D) printed antennas and possible adaptable designs. It provides a succinct examination of various categories of materials used in three-dimensional (3D) and 4D printing, including the utilization of smart materials available in both printable and synthesized forms. The review encompasses a concise analysis of fabrication techniques, stimuli, and response behaviors applied in various types of smart materials. These materials have the potential to fabricate antennas with tunable and reconfigurable properties, including frequency of operation, bandwidth, gain, and radiation pattern. Given the novelty of applying 4D printing in antenna technologies, the review also considers additional reconfigurable antennas with mechanically tunable properties, as well as those in non-printed formats. This exploration hints at potential adaptations to the latter for the development of 4D printed antennas. The utilization of 4D printing presents a complex yet intriguing approach to antenna fabrication, offering the possibility of creating dynamic antennas with sophisticated characteristics.

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