Formation of periodical surface ripple is widely observed in laser processing such as laser annealing, laser-induced chemical vapor deposition and laser etching. The ripple structures are closely related with the material properties and wavelengths used. Such structures were reported on the transparent material using a visible femtosecond laser pulse. In the paper, the ripple structure formed on Ni, Ag and GaP by the irradiation of ultra-short laser pulse of a Ti:sapphire laser is described. Pulse duration and repetition rate of the laser is 130 fs and 10 Hz, respectively. The laser beam was focused on the target using a lens of the focal length of 150 mm. The incident angle was varied from 0 degree to about 45 degree by rotating the sample mounted on an angle-tilting stage. The number of the laser pulse was varied from three to one hundred.


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    Titel :

    Periodical ripples on metal and semiconductor by femtosecond laser irradiation


    Beteiligte:
    Minami, Y. (Autor:in) / Hashizume, T. (Autor:in) / Toyoda, K. (Autor:in)


    Erscheinungsdatum :

    01.01.1999


    Format / Umfang :

    107264 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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