Thermal wakefield oscillations of laser-induced plasma channels and their spectral signatures in luminescence

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2 Citations (Scopus)

Abstract

Starting from a general microscopic model for an interacting two-component plasma including the interaction with a quantized light field, the equations of motion in the Wigner representation are derived. In contrast to the case of strongly focused laser beams which are known to leave behind so called wakefield oscillations of the electron plasma, thermal wakefield oscillations dominate the dynamics of a femtosecond laser generated plasma rod. It is shown that the photoluminescence from the resulting electron-ion plasma bears spectral features related to the plasma frequency due to these thermal radial wakefield oscillations.

Original languageEnglish (US)
Pages (from-to)153-168
Number of pages16
JournalJournal of Physics: Conference Series
Volume11
Issue number1
DOIs
StatePublished - Jan 1 2005

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spectral signatures
luminescence
oscillations
lasers
plasma frequencies
electron plasma
bears
equations of motion
rods
laser beams
photoluminescence
ions
electrons
interactions

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

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abstract = "Starting from a general microscopic model for an interacting two-component plasma including the interaction with a quantized light field, the equations of motion in the Wigner representation are derived. In contrast to the case of strongly focused laser beams which are known to leave behind so called wakefield oscillations of the electron plasma, thermal wakefield oscillations dominate the dynamics of a femtosecond laser generated plasma rod. It is shown that the photoluminescence from the resulting electron-ion plasma bears spectral features related to the plasma frequency due to these thermal radial wakefield oscillations.",
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AU - Moloney, Jerome V

AU - Wright, Ewan M

AU - Kira, M.

AU - Koch, Stephan W

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AB - Starting from a general microscopic model for an interacting two-component plasma including the interaction with a quantized light field, the equations of motion in the Wigner representation are derived. In contrast to the case of strongly focused laser beams which are known to leave behind so called wakefield oscillations of the electron plasma, thermal wakefield oscillations dominate the dynamics of a femtosecond laser generated plasma rod. It is shown that the photoluminescence from the resulting electron-ion plasma bears spectral features related to the plasma frequency due to these thermal radial wakefield oscillations.

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JF - Journal of Physics: Conference Series

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