Title :
Femtosecond non-diffracting Bessel beams and controlled nanoscale ablation
Author :
Bhuyan, M.K. ; Courvoisier, F. ; Jacquot, M. ; Lacourt, P.-A. ; Froehly, L. ; Salut, R. ; Furfaro, L. ; Dudley, J.M.
Author_Institution :
Dept. d´´Opt. P. M. Duffieux, CNRS-Univ. de Franche-Comte, Besancon, France
Abstract :
We review our recent results applying the stable nonlinear propagation of nondiffracting Bessel beams to femtosecond laser ablation in dielectric materials. We describe our spatial light modulator setup that allows for flexible and reconfigurable beam profile synthesis, we interpret the physics in terms of the formation of a steady plasma channel, and we present results of both multishot and single shot machining.
Keywords :
dielectric materials; high-speed optical techniques; laser ablation; laser beam machining; light diffraction; light propagation; nonlinear optics; optical control; spatial light modulators; controlled nanoscale ablation; dielectric materials; femtosecond laser ablation; femtosecond nondiffracting Bessel beams; multishot machining; reconfigurable beam profile; single shot machining; spatial light modulator; stable nonlinear propagation; steady plasma channel; Laser ablation; Laser beams; Laser theory; Machining; Materials; Surface cleaning; Ultrafast optics;
Conference_Titel :
General Assembly and Scientific Symposium, 2011 XXXth URSI
Conference_Location :
Istanbul
Print_ISBN :
978-1-4244-5117-3
DOI :
10.1109/URSIGASS.2011.6050591
