Ripple formation on GaAs surfaces by ultrafast (fs) laser pulses

Laszlo Nanai; Robert Vajtai; L. Fabian; Sandor Szatmari; Seppo Leppaevuori; Thomas F. George

doi:10.1117/12.320991

19 August 1998 Ripple formation on GaAs surfaces by ultrafast (fs) laser pulses

Laszlo Nanai, Robert Vajtai, L. Fabian, Sandor Szatmari, Seppo Leppaevuori, Thomas F. George

Proceedings Volume 3573, OPTIKA '98: 5th Congress on Modern Optics; (1998) https://doi.org/10.1117/12.320991
Event: OPTIKA '98: Fifth Congress on Modern Optics, 1998, Budapest, Hungary

Abstract

We have observed an appearance of a wavelike (ripple) structures on GaAs due to influence of ultrafast (fs) laser pulses. Optical and atomic force microscopy studies revealed the double wavelength characters of ripples inside and outside of the illuminated areas. Raman investigations showed the existence of zinc-blend to cubic transitions in crystalline symmetry at the peripherical part of the irradiated area.

Citation Download Citation

Laszlo Nanai, Robert Vajtai, L. Fabian, Sandor Szatmari, Seppo Leppaevuori, and Thomas F. George "Ripple formation on GaAs surfaces by ultrafast (fs) laser pulses", Proc. SPIE 3573, OPTIKA '98: 5th Congress on Modern Optics, (19 August 1998); https://doi.org/10.1117/12.320991

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