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

IF 1.1 4区计算机科学 Q4 ENGINEERING, ELECTRICAL & ELECTRONIC Iet Microwaves Antennas & Propagation Pub Date : 2023-09-05 DOI:10.1049/mia2.12410

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

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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.

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基于三模正弦波纹腔谐振器的高增益、高带宽三维金属印刷缝隙天线阵列

本文提出了一类正弦波纹腔谐振器（SCCR）。SCCR可以呈现慢波特征，并提供具有合理正弦周期和深度的双模（TE104和TE105）宽带响应。在此基础上，设计了一种紧凑型高增益带宽增强SCCR缝隙天线阵列。通过七个辐射槽获得高增益，并且由于使用了三种模式而实现宽带。这三种模式包括SCCR的TE104和TE105模式以及一个馈送时隙模式。与已发表的作品相比，基于SCCR可以直接获得所需的TE104和TE105。使用标准WR62波导管为天线馈电。为了验证，使用直接金属3D打印技术制作，并将铝粉和铜粉进行比较。对两种测量结果进行了讨论，结果与模拟结果吻合良好。

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来源期刊

Iet Microwaves Antennas & Propagation 工程技术-电信学

CiteScore

4.30

自引率

5.90%

发文量

109

审稿时长

7 months

期刊介绍： Topics include, but are not limited to: Microwave circuits including RF, microwave and millimetre-wave amplifiers, oscillators, switches, mixers and other components implemented in monolithic, hybrid, multi-chip module and other technologies. Papers on passive components may describe transmission-line and waveguide components, including filters, multiplexers, resonators, ferrite and garnet devices. For applications, papers can describe microwave sub-systems for use in communications, radar, aerospace, instrumentation, industrial and medical applications. Microwave linear and non-linear measurement techniques. Antenna topics including designed and prototyped antennas for operation at all frequencies; multiband antennas, antenna measurement techniques and systems, antenna analysis and design, aperture antenna arrays, adaptive antennas, printed and wire antennas, microstrip, reconfigurable, conformal and integrated antennas. Computational electromagnetics and synthesis of antenna structures including phased arrays and antenna design algorithms. Radiowave propagation at all frequencies and environments. Current Special Issue. Call for papers: Metrology for 5G Technologies - https://digital-library.theiet.org/files/IET_MAP_CFP_M5GT_SI2.pdf