Title :
Materials processing with femtosecond vortex pulses
Author :
Hnatovsky, Cyril ; Shvedov, Vladlen G. ; Krolikowski, Wieslaw ; Rode, Andrei V.
Author_Institution :
Laser Phys. Centre, Australian Nat. Univ., Canberra, ACT, Australia
Abstract :
We present the first results on material processing with tightly focused single femtosecond laser vortex pulses. We use double-charge femtosecond vortices to produce micron-size ring-shaped structures with <;100 nm uniform groove thickness.
Keywords :
laser materials processing; optical focusing; optical pulse generation; optical vortices; femtosecond vortex pulses; focused single; materials processing; micron size ring shaped structures; Cavity resonators; Laser beams; Materials; Materials processing; Optical pulses; Optical vortices; Ultrafast optics;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2011 Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-4577-1223-4