Picosecond 14.7 nm interferometry of high intensity laser-produced plasmas

Picosecond 14.7 nm interferometry of high intensity laser-produced plasmas Dunn, James, 1959- ; Filevich, Jorge ; Smith, Raymond F. ; Moon, Stephen J. ; Rocca, Jorge J. ; Keenan, Roisin ; Nilsen, Joseph ; Shlyaptsev, Vyacheslav N. ; Hunter, James R. ; Ng, Andrew ; Marconi, Mario Carlos "Work performed under the auspices of the US Department of Energy by the University of California Lawrence Livermore National Laboratory under Contract No. W-7405-Eng-48, through the Institute for Laser Science and Applications and by the National Nuclear Security Administration under the Stewardship Science Alliance Program through the US Department of Energy grant No. DOE-FG03-02NA00062." We have developed a compact, 14.7 nm sub-5 ps X-ray laser source at Lawrence Livermore National Laboratory (LLNL) together with a Mach-Zehnder type diffraction grating interferometer built at Colorado State University for probing dense, high intensity laser-produced plasmas. The short wavelength and pulse length of the probe reduces refraction, absorption effects within the plasma and minimizes plasma motion blurring. This unique diagnostic capability gives precise two-dimensional (2D) density profile snapshots and is generating new data for rapidly evolving laser-heated plasmas. A review of the results from dense, mm-scale line focus plasma experiments will be described with detailed comparisons to hydrodynamic simulations. Colorado State University. Libraries 2005 text ; image application/pdf ECEmcm00033.pdf FACFECEN100445ARTI eng c2005 Cambridge University Press

Picosecond 14.7 nm interferometry of high intensity laser-produced plasmas

Dunn, James, 1959- ; Filevich, Jorge ; Smith, Raymond F. ; Moon, Stephen J. ; Rocca, Jorge J. ; Keenan, Roisin ; Nilsen, Joseph ; Shlyaptsev, Vyacheslav N. ; Hunter, James R. ; Ng, Andrew ; Marconi, Mario Carlos

"Work performed under the auspices of the US Department of Energy by the University of California Lawrence Livermore National Laboratory under Contract No. W-7405-Eng-48, through the Institute for Laser Science and Applications and by the National Nuclear Security Administration under the Stewardship Science Alliance Program through the US Department of Energy grant No. DOE-FG03-02NA00062."

We have developed a compact, 14.7 nm sub-5 ps X-ray laser source at Lawrence Livermore National Laboratory (LLNL) together with a Mach-Zehnder type diffraction grating interferometer built at Colorado State University for probing dense, high intensity laser-produced plasmas. The short wavelength and pulse length of the probe reduces refraction, absorption effects within the plasma and minimizes plasma motion blurring. This unique diagnostic capability gives precise two-dimensional (2D) density profile snapshots and is generating new data for rapidly evolving laser-heated plasmas. A review of the results from dense, mm-scale line focus plasma experiments will be described with detailed comparisons to hydrodynamic simulations.

Colorado State University. Libraries

2005

text ; image

application/pdf

ECEmcm00033.pdf

FACFECEN100445ARTI

eng

c2005 Cambridge University Press