Title :
Spatial mode cleaning by femtosecond filamentation
Author :
Prade, B. ; Franco, M. ; Mysyrowicz, A. ; Couairon, A. ; Buersing, H. ; Eberle, B. ; Krenz, M. ; Seiffer, D. ; Vasseur, O.
Author_Institution :
Lab. d´´ Opt. Appl., Ecole Polytech. Palaiseau, Palaiseau
Abstract :
We study the characteristic conical emission of a blue femtosecond filament in air. A significant improvement of the beam quality is obtained during the filamentation process.
Keywords :
high-speed optical techniques; laser beams; molecule-photon collisions; multiphoton processes; optical pulse shaping; optical self-focusing; photoionisation; blue femtosecond filament; conical emission; femtosecond filamentation; laser beam quality; laser pulse reshaping; multiphoton ionization; self-focusing; spatial mode cleaning; Cleaning; Frequency; Laser beams; Laser modes; Optical propagation; Optical pulses; Particle beams; Pattern recognition; Power lasers; Ultrafast optics; 190.5530 Pulse propagation and solitons; 350.5400 Plasmas;
Conference_Titel :
Lasers and Electro-Optics, 2006 and 2006 Quantum Electronics and Laser Science Conference. CLEO/QELS 2006. Conference on
Conference_Location :
Long Beach, CA
Print_ISBN :
978-1-55752-813-1
Electronic_ISBN :
978-1-55752-813-1
DOI :
10.1109/CLEO.2006.4629081
