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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 30, Iss. 14 — Jul. 15, 2005
  • pp: 1812–1814

Relaxation mechanisms in three-dimensional metamaterial lens focusing

Lei Zhou and C. T. Chan  »View Author Affiliations


Optics Letters, Vol. 30, Issue 14, pp. 1812-1814 (2005)
http://dx.doi.org/10.1364/OL.30.001812


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Abstract

We study the transient behaviors in focusing a point source with a metamaterial lens (delta=µ=-1+delta). We find the time evolutions of image formation are dictated by two relaxation mechanisms, namely, surface wave transport and absorption, determined, respectively, by Re(delta) and Im(delta). We show that image oscillations are inevitable in this three-dimensional configuration when Re(delta) not equal to 0 and establish relationships among the relaxation time, the resolution enhancement, and delta.

© 2005 Optical Society of America

OCIS Codes
(100.6640) Image processing : Superresolution
(110.2990) Imaging systems : Image formation theory

Citation
Lei Zhou and C. T. Chan, "Relaxation mechanisms in three-dimensional metamaterial lens focusing," Opt. Lett. 30, 1812-1814 (2005)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-30-14-1812

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