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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 13, Iss. 8 — Apr. 18, 2005
  • pp: 2858–2868

Analysis of wave focusing inside a negative-index photonic-crystal slab

Alejandro Martínez and Javier Martí  »View Author Affiliations

Optics Express, Vol. 13, Issue 8, pp. 2858-2868 (2005)

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We analyze focusing of electromagnetic waves inside a photonic crystal slab by means of finite-difference time-domain simulations. At the frequency of the source, the photonic crystal behaves as an effective medium with an effective index of refraction of -1. Despite of the strong Bloch modulation of the field inside the slab, the presence of a well-definite internal focus is evident. The dimensions of the internal focus are similar to those of the external focus. The effect of the frequency of the wave on the focusing is also discussed.

© 2005 Optical Society of America

OCIS Codes
(160.4760) Materials : Optical properties
(260.2110) Physical optics : Electromagnetic optics

ToC Category:
Research Papers

Original Manuscript: March 4, 2005
Revised Manuscript: March 30, 2005
Published: April 18, 2005

Alejandro Martinez and Javier Marti, "Analysis of wave focusing inside a negative-index photonic-crystal slab," Opt. Express 13, 2858-2868 (2005)

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