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Title: L-shell spectroscopic diagnostics of radiation from krypton HED plasma sources

Abstract

We report that X-ray spectroscopy is a useful tool for diagnosing plasma sources due to its non-invasive nature. One such source is the dense plasma focus (DPF). Recent interest has developed to demonstrate its potential application as a soft x-ray source. We present the first spectroscopic studies of krypton high energy density plasmas produced on a 3 kJ DPF device in Singapore. In order to diagnose spectral features, and to obtain a more comprehensive understanding of plasma parameters, a new non-local thermodynamic equilibrium L-shell kinetic model for krypton was developed. It has the capability of incorporating hot electrons, with different electron distribution functions, in order to examine the effects that they have on emission spectra. Finally, to further substantiate the validity of this model, it is also benchmarked with data gathered from experiments on the electron beam ion trap (EBIT) at Lawrence Livermore National Laboratory, where data were collected using the high resolution EBIT calorimeter spectrometer.

Authors:
 [1];  [1];  [1];  [1];  [2];  [2]; ORCiD logo [3];  [4];  [3]
  1. Univ. of Nevada, Reno, NV (United States)
  2. Nanyang Technological University (Singapore). National Institute of Education
  3. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
  4. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States); Universitat Erlangen-Nurnberg (Germany). Dr. Remeis-Sternwarte and ECAP
Publication Date:
Research Org.:
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States); Univ. of Nevada, Reno, NV (United States)
Sponsoring Org.:
USDOE National Nuclear Security Administration (NNSA)
OSTI Identifier:
1408973
Alternate Identifier(s):
OSTI ID: 1511490
Report Number(s):
LLNL-JRNL-736644
Journal ID: ISSN 0034-6748; RSINAK
Grant/Contract Number:  
AC52-07NA27344; NA0003047; NA0002954
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Review of Scientific Instruments
Additional Journal Information:
Journal Volume: 87; Journal Issue: 11; Journal ID: ISSN 0034-6748
Publisher:
American Institute of Physics (AIP)
Country of Publication:
United States
Language:
English
Subject:
74 ATOMIC AND MOLECULAR PHYSICS; 70 PLASMA PHYSICS AND FUSION

Citation Formats

Petkov, E. E., Safronova, A. S., Kantsyrev, V. L., Shlyaptseva, V. V., Rawat, R. S., Tan, K. S., Beiersdorfer, P., Hell, N., and Brown, G. V. L-shell spectroscopic diagnostics of radiation from krypton HED plasma sources. United States: N. p., 2016. Web. doi:10.1063/1.4960534.
Petkov, E. E., Safronova, A. S., Kantsyrev, V. L., Shlyaptseva, V. V., Rawat, R. S., Tan, K. S., Beiersdorfer, P., Hell, N., & Brown, G. V. L-shell spectroscopic diagnostics of radiation from krypton HED plasma sources. United States. doi:10.1063/1.4960534.
Petkov, E. E., Safronova, A. S., Kantsyrev, V. L., Shlyaptseva, V. V., Rawat, R. S., Tan, K. S., Beiersdorfer, P., Hell, N., and Brown, G. V. Tue . "L-shell spectroscopic diagnostics of radiation from krypton HED plasma sources". United States. doi:10.1063/1.4960534. https://www.osti.gov/servlets/purl/1408973.
@article{osti_1408973,
title = {L-shell spectroscopic diagnostics of radiation from krypton HED plasma sources},
author = {Petkov, E. E. and Safronova, A. S. and Kantsyrev, V. L. and Shlyaptseva, V. V. and Rawat, R. S. and Tan, K. S. and Beiersdorfer, P. and Hell, N. and Brown, G. V.},
abstractNote = {We report that X-ray spectroscopy is a useful tool for diagnosing plasma sources due to its non-invasive nature. One such source is the dense plasma focus (DPF). Recent interest has developed to demonstrate its potential application as a soft x-ray source. We present the first spectroscopic studies of krypton high energy density plasmas produced on a 3 kJ DPF device in Singapore. In order to diagnose spectral features, and to obtain a more comprehensive understanding of plasma parameters, a new non-local thermodynamic equilibrium L-shell kinetic model for krypton was developed. It has the capability of incorporating hot electrons, with different electron distribution functions, in order to examine the effects that they have on emission spectra. Finally, to further substantiate the validity of this model, it is also benchmarked with data gathered from experiments on the electron beam ion trap (EBIT) at Lawrence Livermore National Laboratory, where data were collected using the high resolution EBIT calorimeter spectrometer.},
doi = {10.1063/1.4960534},
journal = {Review of Scientific Instruments},
issn = {0034-6748},
number = 11,
volume = 87,
place = {United States},
year = {2016},
month = {8}
}

Journal Article:
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