Title :
Microstrip phased array patch antenna based on a liquid crystal phase shifter for optically generated RF-signals
Author :
Chakam, G.A. ; Vogel, W. ; Yilmaz, H. ; Berroth, M. ; Freude, W.
Author_Institution :
High-Frequency & Quantum Electron. Lab., Karlsruhe Univ., Germany
Abstract :
We report on a 1×2 phased array antenna with an optical beamforming network and liquid crystal phase shifter, which allows a continuous microwave phase deviation up to 90°. Experiments in steering the antenna pattern are discussed.
Keywords :
antenna phased arrays; antenna radiation patterns; beam steering; light valves; liquid crystal devices; microstrip antenna arrays; microwave phase shifters; microwave photonics; optical phase shifters; 3.6 GHz; LC light valves; OBFN; antenna array patterns; antenna pattern steering; liquid crystal phase shifters; microstrip phased arrays; microwave phase deviation; optical beamforming networks; optically generated RF-signals; patch antenna arrays; Antenna radiation patterns; Liquid crystal devices; Microstrip arrays; Microwave phase shifters; Phased arrays;
Conference_Titel :
Microwave Photonics, 2002. International Topical Meeting on
Print_ISBN :
4-88552-187-4
DOI :
10.1109/MWP.2002.1158914
