N-A P Nicorovici et al 2008 New J. Phys. 10 115020 doi:10.1088/1367-2630/10/11/115020
Finite wavelength cloaking by plasmonic resonance
Focus on Cloaking and Transformation OpticsN-A P Nicorovici1,3, R C McPhedran1, S Enoch2 and G Tayeb2
Show affiliationsPart of Focus on Cloaking and Transformation Optics
We consider cloaking by a coated cylindrical system using plasmonic resonance, and extend previous quasistatic treatments to include the effect of finite wavelength. We show that a probe cylinder can still be cloaked at finite wavelengths, but the cloaking cylinder develops a nonzero scattering cross section. We show that this latter effect is dominated by a monopole term in the case of an ideal (lossless) cloaking material, and by a dipole term in the case of a realistic (lossy) material. It can be reduced but not eliminated by variations of geometric or dielectric parameters of the cloaking cylinder.
- PACS
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41.20.Jb Electromagnetic wave propagation; radiowave propagation
- Subjects
- Dates
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Issue 11 (November 2008)
Received 1 May 2008
Published 27 November 2008
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Finite wavelength cloaking by plasmonic resonance
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