Invisibility cloaking without superluminal propagation

Janos Perczel, Tomas Tyc, Ulf Leonhardt

Research output: Contribution to journalArticlepeer-review

41 Citations (Scopus)


Conventional cloaking based on Euclidean transformation optics requires that the speed of light should tend to infinity on the inner surface of the cloak. Non-Euclidean cloaking still needs media with superluminal propagation. Here we show by giving an example that this is no longer necessary.

Original languageEnglish
Article number083007
Number of pages18
JournalNew Journal of Physics
Publication statusPublished - 8 Aug 2011


  • Invisibility cloaking
  • Euclidean transformation optics
  • Superluminal propagation


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