4 research outputs found

    EVIDENCE FOR SINUSOIDAL PHASE MODULATION IN SMALL SELF‐TRAPPED FILAMENTS

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    Evidence is presented indicating that, in some cases at least, a sinusoidal phase modulation is responsible for the spectral broadening Observed in trapped filaments of laser (and Raman) light. This kind of modulation has been suggested recently by Cheung et al

    Filamentary Tracks Formed in Transparent Optical Glass by Laser Beam Self-Focusing. II. Theoretical Analysis

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