NDLI: X-Band Phase-Gradient Metasurface for High-Gain Lens Antenna Application

Content Provider	IEEE Xplore Digital Library
Author	Haipeng Li Guangming Wang He-Xiu Xu Tong Cai Jiangang Liang
Copyright Year	1963
Abstract	We propose a high-gain transmitting lens antenna by employing layered phase-gradient metasurface (MS). The MS is engineered to focus the propagating plane wave to a point with high efficiency. An X-band patch antenna is placed at the focal point of the MS as a feed source, and then the quasi-spherical wave emitted by the source is transformed to plane wave. Due to the successful conversion of quasi-spherical wave to plane wave, the beam width of the patch antenna has been decreased 66° and the gain has been enhanced 11.6 dB. The proposed lens antenna not only opens up a new route for the applications of phase-gradient MS in microwave band, but also affords an alternative for high-gain antenna.
Sponsorship	IEEE Antennas and Propagation Society
Starting Page	5144
Ending Page	5149
Page Count	6
File Size	1427033
File Format	PDF
ISSN	0018926X
Volume Number	63
Issue Number	11
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Lenses Patch antennas Focusing Antenna radiation patterns Antenna measurements Transmitting antennas quasi-spherical wave phase-gradient metasurface lens antenna high gain focusing plane wave phase-gradient metasurface (MS)
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electrical and Electronic Engineering

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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