Title :
Polarization dependent femtosecond laser ablation of PMMA — role of light-plasma interaction
Author :
Villafranca, A. ; Popov, K. ; Guay, J.-M. ; Baset, F. ; Ramunno, L. ; Bhardwaj, V.R.
Author_Institution :
Dept. of Phys., Univ. of Ottawa, Ottawa, ON, Canada
Abstract :
We report elongation of ablation craters along the major axis of the polarization vector when irradiated by a single laser pulse above threshold energy. Numerical studies associate it to local field enhancement during light-plasma interaction.
Keywords :
high-speed optical techniques; laser ablation; light polarisation; numerical analysis; optical polymers; plasma light propagation; PMMA; ablation craters; light-plasma interaction; local field enhancement; numerical analysis; polarization dependent femtosecond laser ablation; polarization vector; single laser pulse; threshold energy; Laser ablation; Materials; Plasma density; Polarization; Surface treatment;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2012 Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-4673-1839-6
