Journal
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION
Volume 58, Issue 9, Pages 3055-3059Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TAP.2010.2052582
Keywords
Broadband antennas; Luneburg lens; multibeam antennas; printed circuit fabrication
Funding
- Presidential Early Career Award for Scientists and Engineers [FA9550-09-1-0696]
- NSF [EECS-0747623]
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The design of a 2D broadband, Luneburg lens antenna implemented using printed circuit board techniques is detailed. The refractive index of the lens is controlled through a combination of meandering crossed microstrip lines and varying their widths. The 12.4 lambda(circle) diameter lens is designed to operate in the transverse electromagnetic (TEM) mode at 13 GHz. The lens antenna was designed, fabricated, and measured. The measured half power beamwidth of the experimental antenna is 4.34 degrees.
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