Title :
Directional selectivity through the subwavelength slit in metallic gratings
Author :
Cakmakyapan, Semih ; Caglayan, Humeyra ; Serebryannikov, Andriy ; Ozbay, Ekmel
Author_Institution :
Nanotechnol. Res. Center, Bilkent Univ., Ankara, Turkey
Abstract :
An approach for obtaining strong directional selectivity through a single subwavelength slit in non-symmetric metallic gratings is shown theoretically and experimentally. Directionality effect originates from the different resonance frequencies of two interfaces.
Keywords :
diffraction gratings; light transmission; directional selectivity; nonsymmetric metallic gratings; resonance frequencies; single subwavelength slit; Corrugated surfaces; Gratings; Lighting; Optical surface waves; Plasmons; Resonant frequency;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2011 Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-4577-1223-4