1887
banner image
No data available.
Please log in to see this content.
You have no subscription access to this content.
No metrics data to plot.
The attempt to load metrics for this article has failed.
The attempt to plot a graph for these metrics has failed.
Betatron x-ray generation from electrons accelerated in a plasma cavity in the presence of laser fields
Rent:
Rent this article for
USD
10.1063/1.3237089
/content/aip/journal/pop/16/10/10.1063/1.3237089
http://aip.metastore.ingenta.com/content/aip/journal/pop/16/10/10.1063/1.3237089
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Electron number density (image) and electrostatic potential, (white contours), normalized to from a two-dimensional particle-in-cell simulation using the code OSIRIS (Ref. 27). Data are taken at a time into the simulation, with initial conditions , , and .

Image of FIG. 2.
FIG. 2.

Schematic of the coordinate system for collecting radiation. is the observation direction.

Image of FIG. 3.
FIG. 3.

The Lorentz factor as a function of time of a single electron accelerated in a plasma bubble with normalized potential , radius , and initial transverse momenta , .

Image of FIG. 4.
FIG. 4.

The radiated spectral intensity, of a single electron accelerated in a plasma bubble with normalized potential , radius , and initial transverse momenta , and displacements , .

Image of FIG. 5.
FIG. 5.

The radiated spectral intensity, of a single electron accelerated in a plasma bubble with normalized potential , radius , with , and various initial transverse momenta: (a) , , perpendicular polarization. (b) , , parallel polarization. (c) , , perpendicular polarization. (d) , , parallel polarization. (e) , , perpendicular polarization. (f) , , parallel polarization.

Image of FIG. 6.
FIG. 6.

The radiated spectral intensity, of a single electron accelerated in a plasma bubble with normalized potential , radius with , and various initial transverse momenta: (a) , , parallel polarization. (b) , , parallel polarization. (c) , , parallel polarization. (The perpendicular component is exactly zero in all cases.)

Image of FIG. 7.
FIG. 7.

The radiated spectral intensity, of a single electron accelerated in a plasma bubble with normalized potential , radius , and initial transverse displacements of , . The bunch interacted with the copropagating laser with a normalized average vector potential of , group velocity of , linear polarization, and various phase velocities and momenta: (a) , , , , perpendicular polarization. (b) , , , , parallel polarization. (c) , , , , perpendicular polarization. (d) , , , , parallel polarization. (e) , , , , perpendicular polarization. (f) , , , , parallel polarization.

Image of FIG. 8.
FIG. 8.

Trajectory of a single electron accelerated in a plasma bubble with normalized potential , radius , initial transverse momenta , interacting with a laser pulse with polarized in the direction.

Image of FIG. 9.
FIG. 9.

Starting positions of 1000 particles, superimposed on an image of the wake potential and a contour plot of laser intensity envelope. The spatial scales are in units of .

Image of FIG. 10.
FIG. 10.

The total radiated energy from 1000 electrons accelerated in a plasma bubble with normalized potential , radius as a function of for the laser pulse.

Image of FIG. 11.
FIG. 11.

The radiated spectral intensity, , due to 1000 macroparticles, representing , accelerated in a plasma bubble with normalized potential , radius . The initial displacements of the particles, , , were distributed with a Gaussian probability in a distribution function with widths at of transverse to propagation and in the direction of propagation. The initial transverse momenta of the macroparticles were also assigned with a Gaussian probability, with a width of . The bunch interacted with the copropagating laser with a group velocity of , linear polarization, and phase velocity : (a) , perpendicular polarization, (b) , parallel polarization, (b) , perpendicular polarization, (c) , parallel polarization, (d) , perpendicular polarization, and (e) , parallel polarization.

Image of FIG. 12.
FIG. 12.

The angular distribution of radiation emitted (a) with no laser present, (b) perpendicular to laser polarization, and (c) parallel to laser polarization corresponding to images (c)–(f) in Fig. 11. The inset graph shows the same distributions but normalized to their peak values, with the same color coding.

Loading

Article metrics loading...

/content/aip/journal/pop/16/10/10.1063/1.3237089
2009-10-09
2014-04-25
Loading

Full text loading...

This is a required field
Please enter a valid email address
752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Betatron x-ray generation from electrons accelerated in a plasma cavity in the presence of laser fields
http://aip.metastore.ingenta.com/content/aip/journal/pop/16/10/10.1063/1.3237089
10.1063/1.3237089
SEARCH_EXPAND_ITEM