Title :
Tunable liquid crystal reflectarray patch element
Author :
Hu, W. ; Ismail, M.Y. ; Cahill, R. ; Gamble, H.S. ; Dickie, R. ; Fusco, V.F. ; Linton, D. ; Rea, S.P. ; Grant, N.
Author_Institution :
Inst. of Electron., Queen´´s Univ. Belfast, UK
fDate :
4/27/2006 12:00:00 AM
Abstract :
Numerical and measured results are employed at X-band to demonstrate that the electrical properties of nematic state liquid crystal can be exploited to produce phase shifters for beam scanning printed reflectarray antennas with a tunable range greater than 180°.
Keywords :
beam steering; microstrip antenna arrays; microwave antenna arrays; microwave phase shifters; nematic liquid crystals; planar antenna arrays; reflector antenna feeds; reflector antennas; scanning antennas; X-band range; beam scanning; nematic state liquid crystal; phase shifters; printed reflectarray antennas; tunable liquid crystal reflectarray patch element;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:20060571
