Direct measurement of the electron density of extended femtosecond laser pulse-induced filaments.

Phys Rev Lett 2010 Nov 17;105(21):215005. Epub 2010 Nov 17.

Institute for Research in Electronics and Applied Physics, University of Maryland, College Park, Maryland 20742, USA.

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.

Download full-text PDF

Source
http://dx.doi.org/10.1103/PhysRevLett.105.215005DOI Listing
November 2010

Publication Analysis

Top Keywords

laser pulse-induced
8
femtosecond laser
8
electron density
8
filaments dominant
4
plasma filaments
4
measurements electron
4
density femtosecond
4
pulse-induced plasma
4
dominant nonlinearity
4
responsible extended
4
field-induced rotation
4
rotation air
4
air molecules
4
filaments field-induced
4
atmospheric filaments
4
time- space-resolved
4
extended atmospheric
4
nonlinearity responsible
4
space-resolved measurements
4
density extended
4

References

(Supplied by CrossRef)

Similar Publications