Direct Measurement of the Electron Density of Extended Femtosecond Laser Pulse-Induced Filaments

Journal Article · Fri Nov 19 04:00:00 EST 2010 · Physical Review Letters

DOI:https://doi.org/10.1103/PHYSREVLETT.105.215005· OSTI ID:21541732

Chen, Y -H; Varma, S; Antonsen, T M; Milchberg, H M ^[1]

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1. Institute for Research in Electronics and Applied Physics, University of Maryland, College Park, Maryland 20742 (United States)

We present direct time- and space-resolved measurements of the electron density of femtosecond laser pulse-induced plasma filaments. The dominant nonlinearity responsible for extended atmospheric filaments is shown to be field-induced rotation of air molecules.

• OSTI ID: 21541732
• Journal Information: Physical Review Letters, Journal Name: Physical Review Letters Journal Issue: 21 Vol. 105; ISSN 0031-9007; ISSN PRLTAO
• Country of Publication: United States
• Language: English

Related Subjects

71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
AIR
ELECTROMAGNETIC RADIATION
ELECTRON DENSITY
FILAMENTS
FLUIDS
GASES
LASER RADIATION
MOLECULES
MOTION
NONLINEAR PROBLEMS
PLASMA FILAMENT
PULSES
RADIATIONS
RESOLUTION
ROTATION
SPATIAL RESOLUTION