On the optical characteristics of the conical emission

I. Golub, R. Shuker, G. Erez

Research output: Contribution to journalArticlepeer-review

1 Scopus citations


An intense laser beam blue detuned with respect to an atomic transition produces a forward conical emission. We demonstrate new experimental evidence that in sodium vapor this emission is generated at the surface of self-trapped filaments. This includes comparison of the polarization of the incident and emitted light as well as comparing the output pattern obtained by cylindrical and spherical focusing modes. As a surface phenomenon, the conical emission shares its characteristics with Cherenkov-type processes.

Original languageEnglish
Pages (from-to)143-145
Number of pages3
JournalOptics Communications
Issue number2
StatePublished - 15 Feb 1986

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Physical and Theoretical Chemistry
  • Electrical and Electronic Engineering


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