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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 35, Iss. 6 — Mar. 15, 2010
  • pp: 808–810

Diffuse reflections by randomly gradient index metamaterials

Xin Mi Yang, Xiao Yang Zhou, Qiang Cheng, Hui Feng Ma, and Tie Jun Cui  »View Author Affiliations

Optics Letters, Vol. 35, Issue 6, pp. 808-810 (2010)

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We have demonstrated that a thin planar coating with randomly distributed index gradients can create diffuse reflections in front of a planar conducting sheet. This scheme is verified by two-dimensional near-field scanning measurement, in which the randomly gradient index coating is implemented by periodic crossed-I-shaped array whose unit cell’s dimension varies spatially. Some qualitative principles of choosing the distribution mode of random index gradient are presented.

© 2010 Optical Society of America

OCIS Codes
(290.1350) Scattering : Backscattering
(290.1990) Scattering : Diffusion
(160.3918) Materials : Metamaterials

ToC Category:

Original Manuscript: November 24, 2009
Revised Manuscript: January 17, 2010
Manuscript Accepted: January 29, 2010
Published: March 4, 2010

Xin Mi Yang, Xiao Yang Zhou, Qiang Cheng, Hui Feng Ma, and Tie Jun Cui, "Diffuse reflections by randomly gradient index metamaterials," Opt. Lett. 35, 808-810 (2010)

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