Title :
Efficient third-harmonic generation through tailored IR femtosecond laser pulse filamentation in air
Author :
Suntsov, S. ; Abdollahpour, D. ; Papazoglou, D.G. ; Tzortzakis, S.
Author_Institution :
Inst. of Electron. Struct. & Laser, Found. for Res. & Technol. Hellas, Heraklion, Greece
Abstract :
Third-harmonic generation during filamentation of IR femtosecond laser pulses in air experiences strong spatial reshaping and conversion enhancement when a thin plasma string created by another femtosecond pulse is introduced perpendicularly to the filament´s path.
Keywords :
high-speed optical techniques; optical harmonic generation; optical pulse shaping; plasma production by laser; IR femtosecond laser pulses; air; conversion enhancement; pulse filamentation; spatial reshaping; thin plasma string; third-harmonic generation; Laser beams; Laser excitation; Laser theory; Lenses; Nonlinear optics; Optical harmonic generation; Optical propagation; Optical pulse generation; Ultrafast electronics; Ultrafast optics; (190.2620) Harmonic generation and mixing; (190.5940) Self-action effects; (320.2250) Femtosecond phenomena; (320.7110) Ultrafast nonlinear optics;
Conference_Titel :
Lasers and Electro-Optics, 2009 and 2009 Conference on Quantum electronics and Laser Science Conference. CLEO/QELS 2009. Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-55752-869-8
Electronic_ISBN :
978-1-55752-869-8
