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Ultrahigh-intensity KrF* laser system.

T S Luk, A McPherson, G Gibson

    Optics Letters
    |September 16, 2009
    PubMed
    Summary
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    Researchers developed an ultrahigh-intensity krypton fluoride (KrF*) laser system. This powerful laser achieved an intensity of 2 x 10^19 W/cm^2, enabling strong-field physics research.

    Area of Science:

    • Laser Physics
    • High-Intensity Physics
    • Nonlinear Optics

    Background:

    • Ultrahigh-intensity lasers are crucial for exploring strong-field physics.
    • Previous laser systems had limitations in intensity and energy delivery.

    Purpose of the Study:

    • To characterize the operational performance of a novel ultrahigh-intensity subpicosecond large-aperture KrF* laser.
    • To assess the laser's capability for strong-field regime studies.

    Main Methods:

    • Detailed measurements of focal spot diameter.
    • Precise determination of laser pulse width and energy.
    • Calculation of average intensity and peak electric field.

    Main Results:

    • Achieved a focal spot diameter below 1.7 micrometers.

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  • Attained an average intensity of approximately 2 x 10^19 W/cm^2.
  • Calculated a peak electric field of ~24 (e/a(0)^2).

    • Conclusions:

    • The KrF* laser system demonstrates significant operational capabilities.
    • The achieved intensity and electric field parameters are suitable for strong-field regime research.
    • This laser technology opens new avenues for studying nonlinear properties of matter.