On mediums with negative phase velocity: A brief overview

Akhlesh Lakhtakia, Martin W. McCall, Werner S. Weiglhofer, Jaline Gerardin, Jianwei Wang

Research output: Contribution to journalArticlepeer-review

1 Scopus citations


Several issues relating to oppositely directed phase velocity and power flow are reviewed. A necessary condition for the occurrence of this phenomenon in isotropic dielectric-magnetic mediums is presented. Ramifications for aberration-free lenses, homogenization approaches, and complex mediums are discussed.

Original languageEnglish (US)
Pages (from-to)176-180
Number of pages5
JournalProceedings of SPIE - The International Society for Optical Engineering
StatePublished - 2002

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering


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