Title :
Enhanced spectral broadening and beam collimation from pulse-sequence induced filamentation
Author :
Rosenthal, E.W. ; Jhajj, N. ; Birnbaum, R. ; Milchberg, H.M.
Author_Institution :
Inst. for Res. in Electron. & Appl. Phys., Univ. of Maryland, College Park, MD, USA
Abstract :
Filaments in air, induced by pulse trains of four ultrashort pulses, each separated by the rotational revival time of nitrogen exhibit an increased degree of spectral broadening and collimation over the single pulse filament case.
Keywords :
high-speed optical techniques; laser beams; nitrogen; optical collimators; spectral line broadening; N; beam collimation enhancement; nitrogen rotational revival time; pulse-sequence induced filamentation; spectral broadening enhancement; ultrashort pulses; Delays; Focusing; Laser beams; Optical pulse generation; Optical pulses; Plasmas; Ultrafast optics;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2014 Conference on
Conference_Location :
San Jose, CA
