Title : 
Measurement and control of electric currents in Ar and N2 filaments
         
        
            Author : 
Zhou, B. ; Houard, A. ; Liu, Y. ; Prade, B. ; Mysyrowicz, A. ; Couairon, A. ; Mora, P. ; Smeenk, C. ; Arissian, L. ; Corkum, P.
         
        
            Author_Institution : 
CNRS, Ecole Polytech., Palaiseau, France
         
        
        
        
        
        
            Abstract : 
Spontaneous currents inside the plasma column of filaments of N2 and Argon circulate in opposite directions. A competition between the laser Lorentz force and a Coulomb wake force explains the difference.
         
        
            Keywords : 
argon; electric potential; nitrogen; plasma diagnostics; plasma light propagation; plasma production by laser; plasma transport processes; Coulomb wake force; argon filament; gas filament electric current control; gas filament electric current measurement; laser Lorentz force; nitrogen filament; plasma column current circulation; spontaneous currents; Argon; Force; Gas lasers; Lorentz covariance; Measurement by laser beam; Plasmas;
         
        
        
        
            Conference_Titel : 
Lasers and Electro-Optics (CLEO), 2011 Conference on
         
        
            Conference_Location : 
Baltimore, MD
         
        
            Print_ISBN : 
978-1-4577-1223-4