Title :
Highspeed production of periodical nanostructures using femtosecond laser radiation
Author :
Wortmann, D. ; Wagner, R. ; Gothnann, J.
Author_Institution :
Lehrsehl fuer Lasertechnik, RWTH Aachen, Steinbachstr. 15. Germany
Abstract :
Ripples (spacing <¿/4) are obtained by scanning femtosecond laser radiation (¿=100fs & 400fs. ¿=800nm & 1045nm) over the surface of various materials. The ripple patterns extend coherently over many overlapping laser pulses and scanning tracks.
Keywords :
Laser beams; Laser theory; Nanostructures; Optical materials; Optical pulses; Optical surface waves; Polarization; Production; Surface emitting lasers; Ultrafast optics;
Conference_Titel :
Quantum Electronics and Laser Science Conference, 2007. QELS '07
Conference_Location :
Baltimore, MD, USA
Print_ISBN :
978-1-55752-834-6
DOI :
10.1109/QELS.2007.4431527