In this paper, we report the machining of various types of glasses by femtosecond pulses generated directly from a Ti:sapphire oscillator with less than half of that pulse energy. In our experiments we used a Ti:Sapphire laser pumped by a double-frequency Nd:YVO/sub 4/ laser. Our strategy is to tightly focus sub-30fs pulses with a high numerical aperture objective lens while optimizing the bandwidth and pulse temporal and spatial shape to achieve minimum threshold energy for permanent structural damage.


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    Titel :

    Record low pulse-energy micromachining in bulk glass with an ultrafast laser


    Beteiligte:
    Cai, W. (Autor:in) / Piestun, R. (Autor:in)


    Erscheinungsdatum :

    2003-01-01


    Format / Umfang :

    67961 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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