On reflection from a half-space with negative real permittivity and permeability

Jianwei Wang, Akhlesh Lakhtakia

Research output: Contribution to journalArticlepeer-review

9 Scopus citations

Abstract

The reflection of a normally incident wideband pulse by a half-space whose permittivity and permeability obey the one-resonance Lorentz model is calculated. The results are compared with those from frequency-domain reflection analysis. In the spectral regime, wherein the real parts of the permittivity and the permeability are negative, as well as in small adjacent neighborhoods of that regime, the time-domain analysis validates the conclusion that it is sufficient to ensure that the imaginary part of the refractive index is positive - regardless of the sign of the real part of the refractive index.

Original languageEnglish (US)
Pages (from-to)465-467
Number of pages3
JournalMicrowave and Optical Technology Letters
Volume33
Issue number6
DOIs
StatePublished - Jun 20 2002

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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