Propagation and guiding of intense laser pulses in plasmas
Journal Article
·
· Physical Review Letters; (United States)
- Beam Physics Branch, Plasma Physics Division, Naval Research Laboratory, Washington, D.C. 20375-5000 (United States)
A two-dimensional, axisymmetric, relativistic fluid model describing the propagation of intense laser pulses in plasmas is formulated and numerically evaluated. Relativistic guiding is ineffective in preventing the diffractive spreading of short laser pulses and long pulses become modulated due to relativistic and wake-field effects. Laser pulses can be propagated over many Rayleigh lengths by use of a performed plasma density channel or by tailoring the pulse profile. Ultrahigh axial electric fields can be generated behind the laser pulse.
- OSTI ID:
- 7070319
- Journal Information:
- Physical Review Letters; (United States), Journal Name: Physical Review Letters; (United States) Vol. 69:15; ISSN PRLTA; ISSN 0031-9007
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
700350* -- Plasma Production
Heating
Current Drive
& Interactions-- (1992-)
AMPLITUDES
COLD PLASMA
DATA
ELECTRIC FIELDS
ELECTROMAGNETIC RADIATION
ELECTRON DENSITY
FREQUENCY MIXING
HARMONIC GENERATION
INFORMATION
LASER RADIATION
LASERS
NUMERICAL DATA
NUMERICAL SOLUTION
PLASMA
PLASMA SIMULATION
PULSES
RADIATIONS
RELATIVISTIC PLASMA
SIMULATION
THEORETICAL DATA
TWO-DIMENSIONAL CALCULATIONS
WAVE PROPAGATION
X-RAY LASERS
700350* -- Plasma Production
Heating
Current Drive
& Interactions-- (1992-)
AMPLITUDES
COLD PLASMA
DATA
ELECTRIC FIELDS
ELECTROMAGNETIC RADIATION
ELECTRON DENSITY
FREQUENCY MIXING
HARMONIC GENERATION
INFORMATION
LASER RADIATION
LASERS
NUMERICAL DATA
NUMERICAL SOLUTION
PLASMA
PLASMA SIMULATION
PULSES
RADIATIONS
RELATIVISTIC PLASMA
SIMULATION
THEORETICAL DATA
TWO-DIMENSIONAL CALCULATIONS
WAVE PROPAGATION
X-RAY LASERS