3-D Printed Metallic CP Antenna with Dual-Cavity Structure and Enhanced Axial Ratio Bandwidth
Wang,Shiyan1; Ge,Wenting1; Zhang,Gang1; Li,Yin2; Wong,Sai Wai2; Zhu,Lei3
2020-12-08
Source PublicationAsia-Pacific Microwave Conference Proceedings, APMC
Volume2020-December
Pages236-238
AbstractA 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%.
KeywordAR bandwidth dual-cavity structure grooved open-ended waveguide metallic CP antenna SLM
DOI10.1109/APMC47863.2020.9331713
URLView the original
Language英语
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Document TypeConference paper
CollectionDEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING
Affiliation1.Nanjing Normal University,Jiangsu Key Laboratory of 3D Printing Equipment and Manufacturing,Nanjing,China
2.Shenzhen University,College of Electronic and Information Engineering,Shenzhen,China
3.University of Macau,Department of Electrical and Computer Engineering,Macao
Recommended Citation
GB/T 7714
Wang,Shiyan,Ge,Wenting,Zhang,Gang,et al. 3-D Printed Metallic CP Antenna with Dual-Cavity Structure and Enhanced Axial Ratio Bandwidth[C],2020:236-238.
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