Isotropic and anisotropic surface wave cloaking techniques

T M McManus, L. La Spada, Y Hao

Research output: Contribution to journalArticlepeer-review

37 Citations (Scopus)
20 Downloads (Pure)


In this paper we compare two different approaches for surface waves cloaking. The first technique is a unique application of Fermat's principle and requires isotropic material properties, but owing to its derivation is limited in its applicability. The second technique utilises a geometrical optics approximation for dealing with rays bound to a two dimensional surface and requires anisotropic material properties, though it can be used to cloak any smooth surface. We analytically derive the surface wave scattering behaviour for both cloak techniques when applied to a rotationally symmetric surface deformation. Furthermore, we simulate both using a commercially available full-wave electromagnetic solver and demonstrate a good level of agreement with their analytically derived solutions. Our analytical solutions and simulations provide a complete and concise overview of two different surface wave cloaking techniques.

Original languageEnglish
Article number044005
Pages (from-to)1-9
Number of pages10
JournalJournal of Optics (United Kingdom)
Issue number4
Publication statusPublished - 1 Apr 2016
Externally publishedYes

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  • invisibility cloak
  • surface wave
  • transformation optics

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics


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