Title :
Experimental observation of noncollinear coupling of filaments in air
Author :
Yang, Xuan ; Wu, Jian ; Peng, Yan ; Yuan, Shuai ; Zeng, Heping
Author_Institution :
State Key Lab. of Precision Spectrosc., East China Normal Univ., Shanghai
Abstract :
We experimentally demonstrate the strong interactions of femtosecond-pulse-induced filaments in air with various crossing angles and polarizations. A significantly enhanced third-harmonic generation up to 16 times is observed as the filaments are coupling together.
Keywords :
high-speed optical techniques; laser beam effects; optical harmonic generation; femtosecond-pulse-induced filament; noncollinear coupling; third-harmonic generation; Fusion power generation; Laser beams; Laser fusion; Nonlinear optics; Optical pulse compression; Optical pulse generation; Optical sensors; Polarization; Supercontinuum generation; Ultrafast optics; 190.0190; 190.7110;
Conference_Titel :
Lasers and Electro-Optics, 2008 and 2008 Conference on Quantum Electronics and Laser Science. CLEO/QELS 2008. Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-55752-859-9
