Cyclic concentrator, carpet cloaks and fisheye lens via transformation plasmonics
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We first review basic equations of plasmonics in anisotropic media. We recall the origin of Maxwell’s gradient index fisheye lens. We then apply tools of transformation optics to the design of a cyclic concentrator and a variety of plasmonic carpet-cloaks. We further give a brief account of the discovery of spoof plasmon polaritons (SfPPs) by Pendry et al (2004 Science 305 847–8) 150 years after Maxwell invented the fisheye lens. Finally, we experimentally demonstrate a concept of a fisheye lens for SfPPs at microwave frequencies. We stress that perfect metal surfaces perforated with dielectrics offer a playground for moulding surface waves in many areas of physics
CitationAlaoui, M. [et al.]. Cyclic concentrator, carpet cloaks and fisheye lens via transformation plasmonics. "Journal of Optics", 1 Abril 2016, vol. 18.