Focusing properties of shocking optical pulses

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Femtosecond Laser Filaments for Use in Sub-Diffraction-Limited Imaging and Remote Sensing
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Femtosecond Laser Filaments for Use in Sub-Diffraction-Limited Imaging and Remote Sensing

Published on: April 25, 2019

M A Porras, F Salazar-Bloise, L Vázquez

    Optics Letters
    |November 28, 2007
    PubMed

    Abstract:

    We show that optical-cycle steepening in a nonlinear dielectric before focusing results in an arbitrarily large enhancement of the focused intensity and energy density. The focusing of an optical shock produces singular intensity and energy density at the focal point.

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