Title :
Nonlinear wave-wave interaction for a ultrashort laser in underdense plasmas
Author :
Yuhui Tang ; Shensheng Han ; Changxue Zhang ; Fangchuan Zhong ; Yanqing Wu ; Jing Chen ; Yuzhe Zhu ; Zhong Li ; Haihe Lu ; Xiaodong Yang ; Wenyao Wang ; Yinhua Jiang ; Zhizhan Xu
Author_Institution :
Inst. of Opt. & Fine Mech., Acad. Sinica, Shanghai, China
Abstract :
The stimulated Raman backscattering instability (BSRS) and second harmonic generation (SHG) that occurs in an ultrashort (45 fs), intense (I>1/spl times/10/sup 17/ W/cm/sup 2/) laser pulse interaction with an optically ionized helium gas are presented.
Keywords :
backscatter; helium; high-speed optical techniques; optical harmonic generation; photoionisation; plasma density; plasma instability; plasma production by laser; stimulated Raman scattering; 45 fs; He/sup +/; SHG; nonlinear wave-wave interaction; optically ionized helium gas; second harmonic generation; stimulated Raman backscattering instability; ultrashort laser; ultrashort. intense laser pulse interaction; underdense plasmas; Electrons; Laser excitation; Laser modes; Laser noise; Laser theory; Optical pulses; Plasma density; Plasma waves; Reflectivity; Satellites;
Conference_Titel :
Lasers and Electro-Optics, 2001. CLEO/Pacific Rim 2001. The 4th Pacific Rim Conference on
Conference_Location :
Chiba, Japan
Print_ISBN :
0-7803-6738-3
DOI :
10.1109/CLEOPR.2001.970831
