The recipe to increase the quality of material removal processes by reducing the pulse duration to the femtosecond range has turned out to be less curative than expected. Fundamental investigations revealed three sources for remaining flaws: (1) strong deformation of laser beam near focus, (2) essentially thermal nature of ablation process even in femtosecond range, (3) deflection radiation at hole wall.


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    Title :

    Machining of metals with ultrashort laser pulses: fundamental aspects and their consequences


    Contributors:


    Publication date :

    2003-01-01


    Size :

    63902 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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