Title :
Polarization-sensitive femtosecond laser ablation with tightly focused vortex pulses
Author :
Hnatovsky, Cyril ; Shvedov, Vladlen G. ; Shostka, Natalia ; Rode, Andrei V. ; Krolikowski, Wieslaw
Author_Institution :
Laser Phys. Centre, Australian Nat. Univ., Canberra, ACT, Australia
Abstract :
We demonstrate that in a tight focusing geometry circularly polarized femtosecond laser vortex pulses ablate material differently depending on the handedness of light. This allows one to control laser micromachining on a sub-wavelength scale.
Keywords :
laser ablation; laser beam machining; light polarisation; optical focusing; optical vortices; circularly polarized femtosecond laser vortex pulses ablate material; laser micromachining control; polarization-sensitive femtosecond laser ablation; Focusing; Laser ablation; Laser beams; Materials; Optical imaging; Optical polarization; Ultrafast optics;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2012 Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-4673-1839-6
