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3-D Printed Metallic CP Antenna with Dual-Cavity Structure and Enhanced Axial Ratio Bandwidth
Shiyan Wang1; Wenting Ge1; Gang Zhang1; Yin Li2; Sai-Wai Wong2; Lei Zhu3
2020-12-08
Conference Name2020 IEEE Asia-Pacific Microwave Conference (APMC)
Source PublicationAsia-Pacific Microwave Conference Proceedings, APMC
Volume2020-December
Pages236-238
Conference Date8-11 Dec. 2020
Conference PlaceHong Kong
Abstract

A 3-D printed metallic circularly polarized (CP) antenna with dual-cavity structure and enhanced axial ratio (AR) bandwidth is proposed in this paper. On the one hand, grooved circular open-ended waveguide is here utilized to generate CP waves. On the other hand, another waveguide with approximate dimension is adjacent and connected to the primal one, thus working as a parasitic radiation element and enhancing the AR bandwidth. By virtue of selective laser melting (SLM), a kind of 3-D printing technologies, the proposed antenna can be easily fabricated with high precision and low cost, and then goes through test. The measured 3-dB AR bandwidth is 1.25 GHz (9.05-10.3 GHz), which has been enhanced from 5.8% of single-cavity case to 12.9%.

KeywordMetallic Cp Antenna Dual-cavity Structure Ar Bandwidth Grooved Open-ended Waveguide Slm
DOI10.1109/APMC47863.2020.9331713
URLView the original
Indexed ByCPCI-S
Language英語English
WOS Research AreaEngineering ; Telecommunications
WOS SubjectEngineering, Electrical & Electronic ; Telecommunications
WOS IDWOS:000654830800080
Scopus ID2-s2.0-85100777959
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Cited Times [WOS]:0   [WOS Record]     [Related Records in WOS]
Document TypeConference paper
CollectionDEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING
Corresponding AuthorShiyan Wang
Affiliation1.Jiangsu Key Laboratory of 3D Printing Equipment and Manufacturing Nanjing Normal University Nanjing, P. R. China
2.College of Electronic and Information Engineering Shenzhen University Shenzhen, P. R. China
3.Department of Electrical and Computer Engineering University of Macau Macau SAR, P. R. China
Recommended Citation
GB/T 7714
Shiyan Wang,Wenting Ge,Gang Zhang,et al. 3-D Printed Metallic CP Antenna with Dual-Cavity Structure and Enhanced Axial Ratio Bandwidth[C],2020:236-238.
APA Shiyan Wang,Wenting Ge,Gang Zhang,Yin Li,Sai-Wai Wong,&Lei Zhu.(2020).3-D Printed Metallic CP Antenna with Dual-Cavity Structure and Enhanced Axial Ratio Bandwidth.Asia-Pacific Microwave Conference Proceedings, APMC,2020-December,236-238.
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