Directional selectivity through the subwavelength slit in metallic gratings
2011 Conference on Lasers and Electro-Optics: Laser Science to Photonic Applications, CLEO 2011
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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. © 2011 OSA.