Miniaturized <i>P</i>-Band MW-Level Klystron With CeSRRs for CSNS Linac Application

Wang, Shaozhe; Zou, Jianjun; Wang, Hexin; Huang, Junjie; Li, Yongming; Liu, Yurong; Li, Neng; Gong, Huarong; Gong, Yubin; Zhang, Xuanming

doi:10.1109/ted.2023.3299455

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2024

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“…On the other hand, several 3D gradient index (GRIN) metamaterial lenses were introduced for high-power antenna applications [24], [25]. In addition, recently, there has been a rising interest in metamaterial-based high-power sources [26], [27], [28], [29].…”

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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