Applied Physics A

, Volume 103, Issue 3, pp 699–702

Subwavelength nondiffractting beams in multilayered media



We present a family of p-polarized optical beams that are highly localized around the optical axis and are sustained in a layered medium. This medium is comprised of a stack of thin films made of a material exhibiting negative permittivity, regularly placed in a dielectric host. We exploit the excitation of surface plasmon polaritons leading to enhanced localization near the optical axis. Also we perform an appropriate correction of the 2D wavefront in the vicinity of the beam axis for a perfect phase matching showing an optimal concentration of light.


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Copyright information

© Springer-Verlag 2011

Authors and Affiliations

  1. 1.Departamento de ÓpticaUniversidad de ValenciaValenciaSpain
  2. 2.Departamento de Óptica, Farmacología y AnatomíaUniversidad de AlicanteAlicanteSpain

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