Photoluminescence and terahertz emission from femtosecond laser-induced plasma channels

W. Hoyer, A. Knorr, J. V. Moloney, E. M. Wright, M. Kira, S. W. Koch

Research output: Contribution to journalArticle

30 Scopus citations

Abstract

Luminescence as a mechanism for terahertz emission from femtosecond laser-induced plasmas is studied. By using a fully microscopic theory, Coulomb scattering between electrons and ions is shown to lead to luminescence even for a spatially homogeneous plasma. The spectral features introduced by the rod geometry of laser-induced plasma channels in air are discussed on the basis of a generalized mode-function analysis.

Original languageEnglish (US)
Article number115004
JournalPhysical review letters
Volume94
Issue number11
DOIs
StatePublished - Mar 25 2005

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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