DocumentCode
246479
Title
An electronically-steerable artificial-impedance-surface antenna
Author
Gregoire, D.J. ; Colburn, J.S. ; Patel, A.M. ; Quarfoth, Ryan ; Sievenpiper, Daniel
Author_Institution
Appl. Electromagn. Lab., HRL Labs., LLC, Malibu, CA, USA
fYear
2014
fDate
6-11 July 2014
Firstpage
551
Lastpage
552
Abstract
A Ku-band, electronically-steerable, artificial-impedance-surface antenna (AISA) was designed, fabricated and measured. It is capable of scanning in elevation from -5° to 80° with gain variation of less than 3 dB. The antenna operates by launching a surface wave along a surface-wave waveguide (SWG) whose impedance elements are rectangular patches with electrically tunable capacitors between them. The radiation beam is scanned in elevation by applying voltages to the varactors to change SWG´s impedance pattern.
Keywords
antenna radiation patterns; microstrip antennas; varactors; waveguide antennas; AISA; Ku-band electronically-steerable artificial-impedance-surface antenna; SWG; antenna radiation beam; electrically tunable capacitor; rectangular patch; surface-wave waveguide; varactors; Antennas and propagation; Impedance; Modulation; Resistance; Surface impedance; Surface waves; Varactors;
fLanguage
English
Publisher
ieee
Conference_Titel
Antennas and Propagation Society International Symposium (APSURSI), 2014 IEEE
Conference_Location
Memphis, TN
ISSN
1522-3965
Print_ISBN
978-1-4799-3538-3
Type
conf
DOI
10.1109/APS.2014.6904606
Filename
6904606
Link To Document