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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 27 — Dec. 17, 2012
  • pp: 28586–28593

Chromatic aberration of light focusing in hyperbolic anisotropic metamaterial made of metallic slit array

Kai Guo, Jianlong Liu, Yan Zhang, and Shutian Liu  »View Author Affiliations

Optics Express, Vol. 20, Issue 27, pp. 28586-28593 (2012)

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The dispersion of a hyperbolic anisotropic metamaterial (HAM) and the chromatic aberration of light focusing in this kind of HAM are studied. The HAM is formed by alternately stacking metal and dielectric layers. The rules of materials and filling factors affecting the optical property of HAM are given. The chromatic aberration of light focusing is demonstrated both theoretically and numerically. By comparing the theory with the simulation results, the factors influencing the focal length, including the heat loss of material and low spatial frequency modes, are discussed. The investigation emphasizes the anomalous properties, such as chromatic aberration and low spatial frequency modes influencing focus position, of HAM compared with that in conventional lens. Based on the analysis, the possibility of using HAM to focus light with two different wavelengths at the same point is studied.

© 2012 OSA

OCIS Codes
(160.4760) Materials : Optical properties
(240.6680) Optics at surfaces : Surface plasmons
(310.6628) Thin films : Subwavelength structures, nanostructures

ToC Category:

Original Manuscript: November 5, 2012
Revised Manuscript: December 1, 2012
Manuscript Accepted: December 3, 2012
Published: December 17, 2012

Kai Guo, Jianlong Liu, Yan Zhang, and Shutian Liu, "Chromatic aberration of light focusing in hyperbolic anisotropic metamaterial made of metallic slit array," Opt. Express 20, 28586-28593 (2012)

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