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Confocal microscopy is an advanced microscopic technique. The prime advantage of the confocal microscope over other microscopy techniques is its ability to block the out-of-focus light from the illuminated samples using pinholes. It is widely used with fluorescence optics to obtain high-resolution, sharp contrast images. Unlike optical microscopes, confocal microscopes use a focused beam of light laser to scan the entire sample surface at different z-planes. These microscopes are, therefore,...

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Research Application of Laser-Induced Shock Wave for Studying Blast-Induced Cochlear Injury
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Colliding shock lens as an intracavity Q-switch element.

N Lisi, M M Michaelis, R Buccellato

    Applied Optics
    |November 2, 2010
    PubMed
    Summary

    A colliding shock lens, a type of varifocal pulsed gas lens, can Q switch a ruby laser. Combining it with another lens generates a giant pulse laser output.

    Area of Science:

    • Optics and Photonics
    • Laser Physics

    Background:

    • Q-switching is a technique for obtaining high-intensity laser pulses.
    • Gas lenses offer unique optical properties for laser manipulation.

    Purpose of the Study:

    • To demonstrate the use of a colliding shock lens for Q-switching a ruby laser.
    • To investigate the generation of giant pulses using this intracavity element.

    Main Methods:

    • The colliding shock lens was employed as an intracavity element in a ruby laser setup.
    • The shock lens was used in tandem with a second lens (glass or continuous-wave gas lens).

    Main Results:

    • Successful Q-switching of the ruby laser was achieved using the colliding shock lens.
    • A giant pulse output was obtained when the shock lens was combined with a second lens.

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    Conclusions:

    • The colliding shock lens is an effective intracavity element for Q-switching lasers.
    • This method provides a viable route for generating giant laser pulses.