Title : 
Direct measurement of intense field ionization rates in sapphire and water during short pulse laser propagation
         
        
            Author : 
Modoran, Georgia C. ; Schumacher, Douglass
         
        
            Author_Institution : 
Department of Physics, The Ohio State University, 191 West Woodruff Avenue, Columbus, 43210, USA
         
        
        
        
        
        
            Abstract : 
We describe a pump-probe experiment that directly measures electron ionization rates via plasma-induced blue-shifting during filamentation of a short laser pulse. We compare to Keldysh and Thornber theory.
         
        
            Keywords : 
Delay; Free electron lasers; Ionization; Optical propagation; Optical pulses; Optical scattering; Plasma measurements; Probes; Pulse measurements; Pump lasers;
         
        
        
        
            Conference_Titel : 
Quantum Electronics and Laser Science Conference, 2007. QELS '07
         
        
            Conference_Location : 
Baltimore, MD, USA
         
        
            Print_ISBN : 
978-1-55752-834-6
         
        
        
            DOI : 
10.1109/QELS.2007.4431665