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.
Wall and laser spot motion in cylindrical hohlraums
Rent:
Rent this article for
USD
10.1063/1.3099054
/content/aip/journal/pop/16/3/10.1063/1.3099054
http://aip.metastore.ingenta.com/content/aip/journal/pop/16/3/10.1063/1.3099054
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(a) Irradiation geometry scheme and (b) resulting initial hot spots in the plane.

Image of FIG. 2.
FIG. 2.

Normalized spectral responses for the three spectral channels of 2D gated XRFC diagnostic. The dotted curve is a Dante time-integrated normalized spectrum.

Image of FIG. 3.
FIG. 3.

Experimental on-axis images obtained for an empty target.

Image of FIG. 4.
FIG. 4.

(a) Late-time on-axis soft x-ray image of an empty hohlraum showing a “lemon slice” structure and (b) corresponding VISRAD simulation (numbers designate Omega beam numbers) showing that spikes are created in between hot spots (superimposed on the experimental image).

Image of FIG. 5.
FIG. 5.

Experimental on-axis images obtained for a CH-lined target.

Image of FIG. 6.
FIG. 6.

Late time images of a CH-lined hohlraum: (a) soft x-ray image showing an irislike structure and (b) hard x-ray image showing gold accumulation near the CH-vacuum interface. Hot spots are superimposed on the soft x-ray image.

Image of FIG. 7.
FIG. 7.

map of a quarter of a CH-lined hohlraum at 2.6 ns as simulated by FCI2 and showing recompression of gold at its interface with CH.

Image of FIG. 8.
FIG. 8.

Experimental images obtained for a propane-filled target.

Image of FIG. 9.
FIG. 9.

Extraction of the radial profile. Right: polar coordinate image (inset shows original image). Left: experimental radial profile compared with a 2D simulation profile. Arrows illustrate free radii in both cases.

Image of FIG. 10.
FIG. 10.

Time resolved evolution of the free radius for an empty target in all three spectral ranges: experimental (black continuous line, closed symbols) and simulated (dotted line).

Image of FIG. 11.
FIG. 11.

Time resolved evolution of the free radius for a CH-lined target in all three spectral ranges: experimental (black continuous line, closed symbols) and simulated (dotted line).

Image of FIG. 12.
FIG. 12.

Time resolved evolution of the free radius for a propane-filled target in all three spectral ranges: experimental (black continuous line, closed symbols) and simulated (dotted line).

Image of FIG. 13.
FIG. 13.

Evaluation of spot displacement as function of the angle of incidence of the beams in the case of a moving surface.

Image of FIG. 14.
FIG. 14.

Hot spots longitudinal profiles simulated by VISRAD for several hohlraum diameters. Insets show portions of VISRAD irradiation maps in the plane, superimposed dotted rectangles represent the streak camera field of view.

Image of FIG. 15.
FIG. 15.

Streaked perpendicular imaging of laser hot spots as seen through the thinned wall of an empty hohlraum. White lines illustrate centroids trajectories.

Image of FIG. 16.
FIG. 16.

Streaked perpendicular imaging of laser hot spots as seen through the thinned wall of a CH-lined hohlraum. White lines illustrate centroids trajectories.

Image of FIG. 17.
FIG. 17.

Streaked perpendicular imaging of laser hot spots as seen through the thinned wall of a propane-filled hohlraum. White lines illustrate centroids trajectories.

Image of FIG. 18.
FIG. 18.

Normalized intensity profiles taken along the hohlraum axis: experimental (black continuous line) and simulated by VISRAD at a radius of (gray line). In this example, the experimental profile was taken from an empty target at 2 ns, at which time the 450 eV free radius is .

Image of FIG. 19.
FIG. 19.

Relative displacements and average speeds of local centroids for all three types of hohlraums.

Image of FIG. 20.
FIG. 20.

Absolute laser spot positions as function of hohlraum radius: case of an empty target. Comparison of experimental data (black line) and VISRAD simulations (gray lines).

Image of FIG. 21.
FIG. 21.

Absolute laser spot positions as function of hohlraum radius: case of a CH-lined target. Comparison of experimental data (green lines with open round symbols) and VISRAD simulations (gray lines).

Image of FIG. 22.
FIG. 22.

Absolute laser spot positions as function of hohlraum radius: case of a propane-filled target. Comparison of experimental data (red lines with open triangles) and VISRAD simulations (gray lines).

Loading

Article metrics loading...

/content/aip/journal/pop/16/3/10.1063/1.3099054
2009-03-31
2014-04-25
Loading

Full text loading...

This is a required field
Please enter a valid email address
752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Wall and laser spot motion in cylindrical hohlraums
http://aip.metastore.ingenta.com/content/aip/journal/pop/16/3/10.1063/1.3099054
10.1063/1.3099054
SEARCH_EXPAND_ITEM