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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 6 — Mar. 16, 2009
  • pp: 4758–4772

Cloaking radiation of moving electron beam and relativistic energy loss spectra

Jinying Xu and Xiangdong Zhang  »View Author Affiliations

Optics Express, Vol. 17, Issue 6, pp. 4758-4772 (2009)

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The interaction of ideal and nonideal metamaterial cylindrical cloaks with an electron beam has been studied. The exact solution for energy loss suffered by a fast electron moving inside or outside a cylindrical cloak has been established within a fully relativistic approach. The effect of various imperfect parameters on the efficiency of the cloak has been discussed. It is shown that radiation can be shielded very well by such cloaks when an electron moves either inside or outside of them. The efficiency of nonideal cloaks and the effect of various nonideal parameters on cloak invisibility can be exhibited in the spectra of electron energy loss and radiation emission. This means that the property of a cylindrical cloak can be explored by means of scanning transmission electron microscopy.

© 2009 Optical Society of America

OCIS Codes
(160.4670) Materials : Optical materials
(260.2110) Physical optics : Electromagnetic optics
(300.2140) Spectroscopy : Emission
(160.3918) Materials : Metamaterials

ToC Category:
Physical Optics

Original Manuscript: December 24, 2008
Revised Manuscript: February 3, 2009
Manuscript Accepted: February 17, 2009
Published: March 10, 2009

Jinying Xu and Xiangdong Zhang, "Cloaking radiation of moving electron beam and relativistic energy loss spectra," Opt. Express 17, 4758-4772 (2009)

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