Generation of nondiffracting subwavelength-beams in finite metal-dielectric structures

Carlos J. Zapata-Rodríguez; David Pastor; Juan J. Miret; Maria T. Caballero; Vicent Camps

doi:10.1117/12.886637

18 May 2011 Generation of nondiffracting subwavelength-beams in finite metal-dielectric structures

Carlos J. Zapata-Rodríguez, David Pastor, Juan J. Miret, Maria T. Caballero, Vicent Camps

Proceedings Volume 8070, Metamaterials VI; 80700H (2011) https://doi.org/10.1117/12.886637
Event: SPIE Optics + Optoelectronics, 2011, Prague, Czech Republic

Abstract

We identified nanostructured devices sustaining subwavelength diffraction-free beams with grazing propagation. The components of the optical assembly are a metal-dielectric multilayer stack deposited on a solid transparent substrate. Launched from the substrate, the nondiffracting beam is resonantly transmitted though the stratiform medium leading to light confinement and wave amplification around the beam axis near the top end. Potential applications include optical trapping, biosensing, and nonlinear optics.

Citation Download Citation

Carlos J. Zapata-Rodríguez, David Pastor, Juan J. Miret, Maria T. Caballero, and Vicent Camps "Generation of nondiffracting subwavelength-beams in finite metal-dielectric structures", Proc. SPIE 8070, Metamaterials VI, 80700H (18 May 2011); https://doi.org/10.1117/12.886637

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