We report a technique for the generation of the cylindrical symmetry Laguerre-Gaussian fields in a fiber-coupled diode end-pumped solid-state laser. The key novelty is to produce a doughnut-shaped pump-profile by defocusing a standard fiber-coupled diode. We demonstrate the dependence of the transverse pattern formation on the cavity quality factor (Q-factor) in a large-Fresnel-number microchip laser excited by a doughnut pump profile.


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    Title :

    Role of the pumping beam's shape in microchip lasers


    Contributors:
    Chen, Y.F. (author)


    Publication date :

    2003-01-01


    Size :

    69149 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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