Title :
Dense plasma channel generation in air using femtosecond-picosecond laser pulse sequences
Author :
Schmitt-Sody, Andreas ; Lucero, Adrian ; Latham, William P. ; Roach, William P. ; Moloney, Jerome V. ; Polynkin, Pavel
Author_Institution :
Air Force Res. Labs., Albuquerque, NM, USA
Abstract :
We densify dilute plasma in femtosecond laser filaments by heating it with energetic 200 picosecond-long laser pulses. Differently from the case of nanosecond heating, the densified plasma channels, under certain conditions, remain smooth and continuous.
Keywords :
high-speed optical techniques; plasma heating by laser; plasma production by laser; air; dense plasma channel generation; femtosecond-picosecond laser pulse sequences; nanosecond laser heating; Free electron lasers; Heating; Laser beams; Optical pulses; Particle beams; Plasmas; Ultrafast optics;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2013 Conference on
Conference_Location :
San Jose, CA
