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  • Three-halves harmonic emission from a laser filament in a plasma channel 

    Mishra, G; Talukdar, I; Vijayshri; Tripathi, V K (1989)
    A self-trapped laser filament is susceptible to decay-producing radially localized Langmuir waves. A nonlinear interaction of the pump wave with the density oscillation at the Langmuir frequency gives rise to three-halves ...