Laser etching processes : Towards sub-picosecond X-UV irradiation D. Riedel, L. Hernandez Pozos, S. Baggott, K.W. Kolasinski and R.E. Palmer J. Phys. IV France, 11 PR2 (2001) Pr2-499-Pr2-502 DOI: 10.1051/jp4:2001296