Title :
Radiation pattern of plasmonic Yagi-Uda antennas in a homogeneous medium realized by liquid-immersion method
Author :
Sugita, Tsuyoshi ; Maeda, Shigenobu ; Hofmann, Heath F. ; Kadoya, Yutaka
Author_Institution :
Grad. Sch. of Adv. Sci. of Matter, Hiroshima Univ., Higashi-Hiroshima, Japan
Abstract :
The radiation pattern of plasmon-based optical Yagi-Uda antenna was measured in a quasi-homogeneous medium realized by immersing the antenna in a liquid. The directional gain of the 5-element antenna was found to be about 3.7, consistently with the theoretical prediction.
Keywords :
Yagi antenna arrays; measurement by laser beam; metamaterial antennas; plasmonics; surface plasmons; directional gain; liquid-immersion method; plasmon-based optical Yagi-Uda antenna; quasihomogeneous medium; radiation pattern measurement; Antenna measurements; Antenna radiation patterns; Directive antennas; Measurement by laser beam; Optical variables measurement; Substrates; Yagi-Uda antennas;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2013 Conference on
Conference_Location :
San Jose, CA
