Directional Selectivity through the Subwavelength Slit in Metallic Gratings

Semih Cakmakyapan, Humeyra Caglayan, Andriy Serebryannikov, Ekmel Ozbay
2011 CLEO:2011 - Laser Applications to Photonic Applications   unpublished
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.
doi:10.1364/cleo_at.2011.jtui67 fatcat:bgd2pfhvhbgmjdkglkfevbvwqy