Focusing the electromagnetic wave with a magnetic field
Optics Letters, Vol. 33, Issue 21, pp. 2476-2478 (2008)
http://dx.doi.org/10.1364/OL.33.002476
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Abstract
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:
Materials
History
Original Manuscript: May 8, 2008
Manuscript Accepted: August 31, 2008
Published: October 23, 2008
Citation
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)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-33-21-2476
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