In this paper, we investigate the intensity and phase structure of transversal laser modes and their effects on laser micromachining before and after using mode converters. Generally, transversal laser modes can be described by a real or complex product of a Hermite or Laguerre polynomial and a Gaussian function in 2D or 3D respectively. It is possible to transform HG modes into LG modes and vice versa. Furthermore, a multimode beam can be converted into other useful beam. Using cylindrical and spherical lenses with particular characteristics, we have developed a mode converter system to transform a multimode light used in micromachining into an ultra-narrow annulus beam that is independent of the number of modes and their orders in input beam. Furthermore, the experimental results validation is examined closely by our theoretical mode! as well as computer simulation which show an excellent agreement.


    Zugriff

    Zugriff prüfen

    Verfügbarkeit in meiner Bibliothek prüfen

    Bestellung bei Subito €


    Exportieren, teilen und zitieren



    Titel :

    Improving micromachining process using a new mode converter system


    Beteiligte:
    Saghafi, S. (Autor:in) / Nami, M. (Autor:in) / Heydari, A. (Autor:in)


    Erscheinungsdatum :

    2005-01-01


    Format / Umfang :

    76333 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



    Improving Micromachining Process Using a New Mode Converter System

    Saghafi, S. / Nami, M. / Heydari, A. et al. | British Library Conference Proceedings | 2005


    Laser micromachining

    Online Contents | 1995


    Laser Micromachining

    Von Alvensleben, F. / Gonschior, M. / Kappel, H. et al. | British Library Online Contents | 1995


    Micromachining system accommodates large wafers

    Bann, R. / Apte, P. / Ostendorf, A. et al. | British Library Online Contents | 2001


    A Galvanometer Using Quartz Micromachining

    Sugiyama, N. / Yamazaki, D. / Ueda, T. | British Library Online Contents | 1993