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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 33, Iss. 21 — Nov. 1, 2008
  • pp: 2476–2478

Focusing the electromagnetic wave with a magnetic field

Shaowen Chen, Junjie Du, Shiyang Liu, Zhifang Lin, and S. T. Chui  »View Author Affiliations

Optics Letters, Vol. 33, Issue 21, pp. 2476-2478 (2008)

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We examine manipulating the electromagnetic (EM) wave with an external static magnetic field (ESMF) taking advantage of the versatility of the magnetic photonic crystal (PC). The effect of a nonuniform ESMF on the permeability of the constituent magnetic material in the PC is demonstrated to create a gradient of the effective optical index in the crystal, leading to the focusing of the EM wave, with a magnetically tunable focal length, focused waist radius, and the intensity at the focus.

© 2008 Optical Society of America

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

ToC Category:

Original Manuscript: May 8, 2008
Manuscript Accepted: August 31, 2008
Published: October 23, 2008

Shaowen Chen, Junjie Du, Shiyang Liu, Zhifang Lin, and S. T. Chui, "Focusing the electromagnetic wave with a magnetic field," Opt. Lett. 33, 2476-2478 (2008)

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