Title :
Minimization of conical emission in gases for enhanced micromachining by ultrashort pulses
Author :
Klimentov, S. ; Pivovarov, P. ; Konov, V. ; Walter, D. ; Kraus, M. ; Dausinger, F.
Author_Institution :
Gen. Phys. Inst., Russian Acad. of Sci., Moscow, Russia
Abstract :
Parameters of conical emission are defined with respect to ambient gas, pulse-width and wavelength of focused radiation, which allows significant minimization of scattering in the case of ultra-short pulsed laser micromachining.
Keywords :
high-speed optical techniques; laser beam machining; laser beams; micromachining; optical Kerr effect; optical focusing; plasma production by laser; conical emission; enhanced micromachining; focused radiation wavelength; laser micromachining; laser plasma; nonlinear Kerr effect; scattering minimization; ultrashort laser pulses; Gas lasers; Gases; Helium; Laser ablation; Laser beams; Laser noise; Micromachining; Optical pulses; Pulse modulation; Scattering; ablation; conical emission; laser plasma; ultra-short laser pulses;
Conference_Titel :
Lasers & Electro Optics & The Pacific Rim Conference on Lasers and Electro-Optics, 2009. CLEO/PACIFIC RIM '09. Conference on
Conference_Location :
Shanghai
Print_ISBN :
978-1-4244-3829-7
Electronic_ISBN :
978-1-4244-3830-3
DOI :
10.1109/CLEOPR.2009.5292367
