Horn Antenna with Miniaturized Size and Increased Gain by Loading Slow Wave Periodic Metal Blocks

Deng, JY; Luo, RQ; Lin, W; Zhang, Y; Sun, D; Zhang, XM; Guo, LX

Horn Antenna with Miniaturized Size and Increased Gain by Loading Slow Wave Periodic Metal Blocks

Deng, JY Luo, RQ Lin, W

Zhang, Y Sun, D Zhang, XM Guo, LX

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Publisher:: Institute of Electrical and Electronics Engineers (IEEE)
Publication Type:: Journal Article
Citation:: IEEE Transactions on Antennas and Propagation, 2021, 69, (4), pp. 2365-2369
Issue Date:: 2021-04-01

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Field	Value	Language
dc.contributor.author	Deng, JY
dc.contributor.author	Luo, RQ
dc.contributor.author	Lin, W https://orcid.org/0000-0003-0337-8554
dc.contributor.author	Zhang, Y
dc.contributor.author	Sun, D
dc.contributor.author	Zhang, XM
dc.contributor.author	Guo, LX
dc.date.accessioned	2022-05-02T20:44:33Z
dc.date.available	2022-05-02T20:44:33Z
dc.date.issued	2021-04-01
dc.identifier.citation	IEEE Transactions on Antennas and Propagation, 2021, 69, (4), pp. 2365-2369
dc.identifier.issn	0018-926X
dc.identifier.issn	1558-2221
dc.identifier.uri	http://hdl.handle.net/10453/156911
dc.description.abstract	An H-plane horn antenna with miniaturized size and increased gain is reported, which is realized by loading slow wave structures (SWSs) inside the shortened horn cavity. The SWSs in the form of periodic metal blocks can decelerate the phase velocity of the electromagnetic wave traveling to the radiating aperture. So the phase difference between the center and the edges of the aperture enlarged by the shortened longitudinal dimension can be compensated, and the longitudinal length of the horn antenna is significantly reduced. Meanwhile, uniform magnitude distribution of electric fields on the aperture is achieved by cleverly designing the heights of embedded blocks. Thus, the realized gain and aperture efficiency are maximized. The proposed horn antenna is easily fabricated by standard mechanical manufacture process. The longitudinal length of the prototype is 33.3% less than the original horn antenna with the same aperture size. Moreover, the average gain is 1.7 dB higher than the original horn, while maximized aperture efficiency up to 80.7% is achieved.
dc.language	en
dc.publisher	Institute of Electrical and Electronics Engineers (IEEE)
dc.relation.ispartof	IEEE Transactions on Antennas and Propagation
dc.relation.isbasedon	10.1109/TAP.2020.3019566
dc.rights	info:eu-repo/semantics/closedAccess
dc.subject	0906 Electrical and Electronic Engineering, 1005 Communications Technologies
dc.subject.classification	Networking & Telecommunications
dc.title	Horn Antenna with Miniaturized Size and Increased Gain by Loading Slow Wave Periodic Metal Blocks
dc.type	Journal Article
utslib.citation.volume	69
utslib.for	0906 Electrical and Electronic Engineering
utslib.for	1005 Communications Technologies
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology
pubs.organisational-group	/University of Technology Sydney/Strength - GBDTC - Global Big Data Technologies
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology/School of Electrical and Data Engineering
utslib.copyright.status	closed_access	*
dc.date.updated	2022-05-02T20:44:30Z
pubs.issue	4
pubs.publication-status	Published
pubs.volume	69
utslib.citation.issue	4

Abstract:

An H-plane horn antenna with miniaturized size and increased gain is reported, which is realized by loading slow wave structures (SWSs) inside the shortened horn cavity. The SWSs in the form of periodic metal blocks can decelerate the phase velocity of the electromagnetic wave traveling to the radiating aperture. So the phase difference between the center and the edges of the aperture enlarged by the shortened longitudinal dimension can be compensated, and the longitudinal length of the horn antenna is significantly reduced. Meanwhile, uniform magnitude distribution of electric fields on the aperture is achieved by cleverly designing the heights of embedded blocks. Thus, the realized gain and aperture efficiency are maximized. The proposed horn antenna is easily fabricated by standard mechanical manufacture process. The longitudinal length of the prototype is 33.3% less than the original horn antenna with the same aperture size. Moreover, the average gain is 1.7 dB higher than the original horn, while maximized aperture efficiency up to 80.7% is achieved.

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http://hdl.handle.net/10453/156911