Title :
Electron density of the femtosecond optical filament in air
Author :
Chen, Yu-hsin ; Varma, Sanjay ; Milchberg, Howard
Author_Institution :
Inst. for Res. in Electron. & Appl. Phys., Univ. of Maryland, College Park, MD, USA
Abstract :
We present the first direct radially and axially space-resolved measurement of electron density over the full length of a femtosecond optical filament in air, allowing elucidation of the air nonlinearity leading to beam collapse.
Keywords :
air; light interferometry; optical self-focusing; plasma density; plasma diagnostics; plasma light propagation; plasma production by laser; air nonlinearity; axially resolved electron density measurement; beam collapse; femtosecond air optical filament; radially resolved electron density measurement; Atmospheric measurements; Density measurement; Laser beams; Measurement by laser beam; Optical interferometry; Plasma measurements; Plasmas;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2011 Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-4577-1223-4
