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Title: Time-resolved soft x-ray spectra from laser-produced Cu plasma

Abstract

The volumetric heating of a thin copper target has been studied with time resolved x-ray spectroscopy. The copper target was heated from a plasma produced using the Lawrence Livermore National Laboratory's Compact Multipulse Terrawatt (COMET) laser. A variable spaced grating spectrometer coupled to an x-ray streak camera measured soft x-ray emission (800-1550 eV) from the back of the copper target to characterize the bulk heating of the target. Radiation hydrodynamic simulations were modeled in 2-dimensions using the HYDRA code. The target conditions calculated by HYDRA were post-processed with the atomic kinetics code CRETIN to generate synthetic emission spectra. A comparison between the experimental and simulated spectra indicates the presence of specific ionization states of copper and the corresponding electron temperatures and ion densities throughout the laser-heated copper target.

Authors:
; ; ; ; ; ;
Publication Date:
Research Org.:
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1043659
Report Number(s):
LLNL-CONF-555312
Journal ID: ISSN 0034-6748; TRN: US1203178
DOE Contract Number:  
W-7405-ENG-48
Resource Type:
Conference
Resource Relation:
Journal Volume: 83; Journal Issue: 10; Conference: Presented at: High Temperature Plasma Diagnostics, Monterey, CA, United States, May 06 - May 10, 2012
Country of Publication:
United States
Language:
English
Subject:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY; COPPER; ELECTRON TEMPERATURE; EMISSION SPECTRA; HEATING; HYDRA; HYDRODYNAMICS; IONIZATION; KINETICS; LASER-PRODUCED PLASMA; PLASMA DIAGNOSTICS; RADIATIONS; SPECTRA; SPECTROMETERS; STREAK CAMERAS; TARGETS; X-RAY SPECTRA; X-RAY SPECTROSCOPY

Citation Formats

Cone, K V, Dunn, J, Baldis, H A, May, M J, Purvis, M A, Scott, H A, and Schneider, M B. Time-resolved soft x-ray spectra from laser-produced Cu plasma. United States: N. p., 2012. Web. doi:10.1063/1.4739071.
Cone, K V, Dunn, J, Baldis, H A, May, M J, Purvis, M A, Scott, H A, & Schneider, M B. Time-resolved soft x-ray spectra from laser-produced Cu plasma. United States. https://doi.org/10.1063/1.4739071
Cone, K V, Dunn, J, Baldis, H A, May, M J, Purvis, M A, Scott, H A, and Schneider, M B. Wed . "Time-resolved soft x-ray spectra from laser-produced Cu plasma". United States. https://doi.org/10.1063/1.4739071. https://www.osti.gov/servlets/purl/1043659.
@article{osti_1043659,
title = {Time-resolved soft x-ray spectra from laser-produced Cu plasma},
author = {Cone, K V and Dunn, J and Baldis, H A and May, M J and Purvis, M A and Scott, H A and Schneider, M B},
abstractNote = {The volumetric heating of a thin copper target has been studied with time resolved x-ray spectroscopy. The copper target was heated from a plasma produced using the Lawrence Livermore National Laboratory's Compact Multipulse Terrawatt (COMET) laser. A variable spaced grating spectrometer coupled to an x-ray streak camera measured soft x-ray emission (800-1550 eV) from the back of the copper target to characterize the bulk heating of the target. Radiation hydrodynamic simulations were modeled in 2-dimensions using the HYDRA code. The target conditions calculated by HYDRA were post-processed with the atomic kinetics code CRETIN to generate synthetic emission spectra. A comparison between the experimental and simulated spectra indicates the presence of specific ionization states of copper and the corresponding electron temperatures and ion densities throughout the laser-heated copper target.},
doi = {10.1063/1.4739071},
url = {https://www.osti.gov/biblio/1043659}, journal = {},
issn = {0034-6748},
number = 10,
volume = 83,
place = {United States},
year = {2012},
month = {5}
}

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Works referenced in this record:

Calibration of a flat field soft x-ray grating spectrometer for laser produced plasmas
journal, October 2010


Collimation of dense plasma jets created by low-energy laser pulses and studied with soft x-ray laser interferometry
journal, March 2010


Cretin—a radiative transfer capability for laboratory plasmas
journal, October 2001