Talbot-Lau x-ray deflectometer: Refraction-based HEDP imaging diagnostic
Talbot-Lau x-ray interferometry has been implemented to map electron density gradients in High Energy Density Physics (HEDP) experiments. X-ray backlighter targets have been evaluated for Talbot-Lau X-ray Deflectometry (TXD). Cu foils, wires, and sphere targets have been irradiated by 10–150 J, 8–30...
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| Veröffentlicht in: | Review of scientific instruments 2021-06, Vol.92 (6) |
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| creator | Valdivia, M. P. Stutman, D. Stoeckl, C. Theobald, W. Collins, IV, G. W. Bouffetier, V. Vescovi, M. Mileham, C. Begishev, I. A. Klein, S. R. Melean, R. Muller, S. Zou, J. Veloso, F. Casner, A. Beg, F. N. Regan, S. P. |
| description | Talbot-Lau x-ray interferometry has been implemented to map electron density gradients in High Energy Density Physics (HEDP) experiments. X-ray backlighter targets have been evaluated for Talbot-Lau X-ray Deflectometry (TXD). Cu foils, wires, and sphere targets have been irradiated by 10–150 J, 8–30 ps laser pulses, while two pulsed-power generators (~350 kA, 350 ns and ~200 kA, 150 ns) have driven Cu wire, hybrid, and laser-cut x-pinches. A plasma ablation front generated by the Omega EP laser was imaged for the first time through TXD for densities >1023 cm–3. Backlighter optimization in combination with x-ray CCD, image plates, and x-ray film has been assessed in terms of spatial resolution and interferometer contrast for accurate plasma characterization through TXD in pulsed-power and high-intensity laser environments. Furthermore, the results obtained thus far demonstrate the potential of TXD as a powerful diagnostic for HEDP. |
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Backlighter optimization in combination with x-ray CCD, image plates, and x-ray film has been assessed in terms of spatial resolution and interferometer contrast for accurate plasma characterization through TXD in pulsed-power and high-intensity laser environments. Furthermore, the results obtained thus far demonstrate the potential of TXD as a powerful diagnostic for HEDP.</description><subject>High energy density physics</subject><subject>Interferometry</subject><subject>Laser plasma interactions</subject><subject>OTHER INSTRUMENTATION</subject><subject>Plasma properties and parameters</subject><subject>Radiography</subject><subject>X-ray imaging</subject><subject>X-ray imaging, Talbot-Lau, Interferometry, HED, Diagnostics</subject><issn>0034-6748</issn><issn>1089-7623</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNqNjL0KwjAURoMoWH_eIbgHUlPT6KqVDg4i3cttelsjbQJNBH17K_gAfssZzuGbkCjmas9SuRVTEnEuEibTRM3JwvsHH7eL44jkBXSVC-wCT_piA7xpjU2HOrgeAw4HesNmAB2Ms6wCjzXNs9OVmh5aY1taG2it88HoFZk10Hlc_7gkm3NWHHP2taXXJqC-a2ft-F3GSqRSSfFX9AGEXjzI</recordid><startdate>20210618</startdate><enddate>20210618</enddate><creator>Valdivia, M. 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P.</au><au>Stutman, D.</au><au>Stoeckl, C.</au><au>Theobald, W.</au><au>Collins, IV, G. W.</au><au>Bouffetier, V.</au><au>Vescovi, M.</au><au>Mileham, C.</au><au>Begishev, I. A.</au><au>Klein, S. R.</au><au>Melean, R.</au><au>Muller, S.</au><au>Zou, J.</au><au>Veloso, F.</au><au>Casner, A.</au><au>Beg, F. N.</au><au>Regan, S. P.</au><aucorp>Univ. of California San Diego, CA (United States)</aucorp><aucorp>Johns Hopkins Univ., Baltimore, MD (United States)</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Talbot-Lau x-ray deflectometer: Refraction-based HEDP imaging diagnostic</atitle><jtitle>Review of scientific instruments</jtitle><date>2021-06-18</date><risdate>2021</risdate><volume>92</volume><issue>6</issue><issn>0034-6748</issn><eissn>1089-7623</eissn><abstract>Talbot-Lau x-ray interferometry has been implemented to map electron density gradients in High Energy Density Physics (HEDP) experiments. 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| source | AIP Journals Complete; Alma/SFX Local Collection |
| subjects | High energy density physics Interferometry Laser plasma interactions OTHER INSTRUMENTATION Plasma properties and parameters Radiography X-ray imaging X-ray imaging, Talbot-Lau, Interferometry, HED, Diagnostics |
| title | Talbot-Lau x-ray deflectometer: Refraction-based HEDP imaging diagnostic |
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