3D metal printed slot antenna array with high gain and enhanced bandwidth using triple-mode sine corrugated cavity resonator

Jiayu Rao; Kenneth Nai; Povilas Vaitukaitis; Yuepei Li; Jiasheng Hong

doi:10.1049/mia2.12410

3D metal printed slot antenna array with high gain and enhanced bandwidth using triple-mode sine corrugated cavity resonator

Jiayu Rao^*, Kenneth Nai, Povilas Vaitukaitis, Yuepei Li, Jiasheng Hong

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)

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Abstract

This letter proposes a class of sine corrugated cavity resonators (SCCR). The SCCR can present slow-wave features and provide dual-mode (TE₁₀₄ and TE₁₀₅) wideband responses with reasonable sine period and depth. Based on it, a compact high-gain bandwidth-enhanced SCCR slot antenna array is designed. The high gain is obtained with seven radiation slots and the wideband is achieved due to three modes being utilised. The three modes include the modes of TE₁₀₄ and TE₁₀₅ of the SCCR and one feed slot mode. Compared with published works, the desired TE₁₀₄ and TE₁₀₅ can be obtained straightforwardly based on SCCR. The standard WR62 waveguide is utilised to feed the antenna. For validation, direct metal 3D printing technology is used to fabricate it with aluminium and copper powders as a comparison. Both measured results were discussed and showed a good agreement with the simulated ones.

Original language	English
Pages (from-to)	982-989
Number of pages	8
Journal	IET Microwaves, Antennas and Propagation
Volume	17
Issue number	13
Early online date	5 Sept 2023
DOIs	https://doi.org/10.1049/mia2.12410
Publication status	Published - Oct 2023

Keywords

antenna arrays
waveguide antenna arrays

ASJC Scopus subject areas

Electrical and Electronic Engineering

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10.1049/mia2.12410Licence: CC BY

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title = "3D metal printed slot antenna array with high gain and enhanced bandwidth using triple-mode sine corrugated cavity resonator",

abstract = "This letter proposes a class of sine corrugated cavity resonators (SCCR). The SCCR can present slow-wave features and provide dual-mode (TE104 and TE105) wideband responses with reasonable sine period and depth. Based on it, a compact high-gain bandwidth-enhanced SCCR slot antenna array is designed. The high gain is obtained with seven radiation slots and the wideband is achieved due to three modes being utilised. The three modes include the modes of TE104 and TE105 of the SCCR and one feed slot mode. Compared with published works, the desired TE104 and TE105 can be obtained straightforwardly based on SCCR. The standard WR62 waveguide is utilised to feed the antenna. For validation, direct metal 3D printing technology is used to fabricate it with aluminium and copper powders as a comparison. Both measured results were discussed and showed a good agreement with the simulated ones.",

keywords = "antenna arrays, waveguide antenna arrays",

author = "Jiayu Rao and Kenneth Nai and Povilas Vaitukaitis and Yuepei Li and Jiasheng Hong",

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AU - Vaitukaitis, Povilas

AU - Li, Yuepei

AU - Hong, Jiasheng

N1 - Funding Information: The authors would like to thank the staff at Renishaw plc for all their help in this project. There is no funding information. Publisher Copyright: © 2023 The Authors. IET Microwaves, Antennas & Propagation published by John Wiley & Sons Ltd on behalf of The Institution of Engineering and Technology.

PY - 2023/10

Y1 - 2023/10

N2 - This letter proposes a class of sine corrugated cavity resonators (SCCR). The SCCR can present slow-wave features and provide dual-mode (TE104 and TE105) wideband responses with reasonable sine period and depth. Based on it, a compact high-gain bandwidth-enhanced SCCR slot antenna array is designed. The high gain is obtained with seven radiation slots and the wideband is achieved due to three modes being utilised. The three modes include the modes of TE104 and TE105 of the SCCR and one feed slot mode. Compared with published works, the desired TE104 and TE105 can be obtained straightforwardly based on SCCR. The standard WR62 waveguide is utilised to feed the antenna. For validation, direct metal 3D printing technology is used to fabricate it with aluminium and copper powders as a comparison. Both measured results were discussed and showed a good agreement with the simulated ones.

AB - This letter proposes a class of sine corrugated cavity resonators (SCCR). The SCCR can present slow-wave features and provide dual-mode (TE104 and TE105) wideband responses with reasonable sine period and depth. Based on it, a compact high-gain bandwidth-enhanced SCCR slot antenna array is designed. The high gain is obtained with seven radiation slots and the wideband is achieved due to three modes being utilised. The three modes include the modes of TE104 and TE105 of the SCCR and one feed slot mode. Compared with published works, the desired TE104 and TE105 can be obtained straightforwardly based on SCCR. The standard WR62 waveguide is utilised to feed the antenna. For validation, direct metal 3D printing technology is used to fabricate it with aluminium and copper powders as a comparison. Both measured results were discussed and showed a good agreement with the simulated ones.

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KW - waveguide antenna arrays

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3D metal printed slot antenna array with high gain and enhanced bandwidth using triple-mode sine corrugated cavity resonator

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Keywords

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