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Title: Study of ablation and implosion stages in wire arrays using coupled ultraviolet and X-ray probing diagnostics

Abstract

In this paper, star and cylindrical wire arrays were studied using laser probing and X-ray radiography at the 1-MA Zebra pulse power generator at the University of Nevada, Reno. The Leopard laser provided backlighting, producing a laser plasma from a Si target which emitted an X-ray probing pulse at the wavelength of 6.65 Å. A spherically bent quartz crystal imaged the backlit wires onto X-ray film. Laser probing diagnostics at the wavelength of 266 nm included a 3-channel polarimeter for Faraday rotation diagnostic and two-frame laser interferometry with two shearing interferometers to study the evolution of the plasma electron density at the ablation and implosion stages. Dynamics of the plasma density profile in Al wire arrays at the ablation stage were directly studied with interferometry, and expansion of wire cores was measured with X-ray radiography. Finally, the magnetic field in the imploding plasma was measured with the Faraday rotation diagnostic, and current was reconstructed.

Authors:
 [1]; ORCiD logo [1];  [1];  [2];  [1];  [1]
  1. Univ. of Nevada, Reno, NV (United States)
  2. Univ. of Nevada, Reno, NV (United States); ELI-ALPS, Szeged (Hungary)
Publication Date:
Research Org.:
Univ. of Nevada, Reno, NV (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Fusion Energy Sciences (FES); USDOE National Nuclear Security Administration (NNSA)
OSTI Identifier:
1469598
Alternate Identifier(s):
OSTI ID: 1225402
Grant/Contract Number:  
SC0008824; NA0002075
Resource Type:
Accepted Manuscript
Journal Name:
Physics of Plasmas
Additional Journal Information:
Journal Volume: 22; Journal Issue: 11; Journal ID: ISSN 1070-664X
Publisher:
American Institute of Physics (AIP)
Country of Publication:
United States
Language:
English
Subject:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY; electron density; plasma confinement; plasma density; interferometry; lasers; radiography; interferometers; crystalline solids; polarimeters; Faraday effect

Citation Formats

Anderson, A. A., Ivanov, V. V., Astanovitskiy, A. L., Papp, D., Wiewior, P. P., and Chalyy, O. Study of ablation and implosion stages in wire arrays using coupled ultraviolet and X-ray probing diagnostics. United States: N. p., 2015. Web. doi:10.1063/1.4934980.
Anderson, A. A., Ivanov, V. V., Astanovitskiy, A. L., Papp, D., Wiewior, P. P., & Chalyy, O. Study of ablation and implosion stages in wire arrays using coupled ultraviolet and X-ray probing diagnostics. United States. https://doi.org/10.1063/1.4934980
Anderson, A. A., Ivanov, V. V., Astanovitskiy, A. L., Papp, D., Wiewior, P. P., and Chalyy, O. Fri . "Study of ablation and implosion stages in wire arrays using coupled ultraviolet and X-ray probing diagnostics". United States. https://doi.org/10.1063/1.4934980. https://www.osti.gov/servlets/purl/1469598.
@article{osti_1469598,
title = {Study of ablation and implosion stages in wire arrays using coupled ultraviolet and X-ray probing diagnostics},
author = {Anderson, A. A. and Ivanov, V. V. and Astanovitskiy, A. L. and Papp, D. and Wiewior, P. P. and Chalyy, O.},
abstractNote = {In this paper, star and cylindrical wire arrays were studied using laser probing and X-ray radiography at the 1-MA Zebra pulse power generator at the University of Nevada, Reno. The Leopard laser provided backlighting, producing a laser plasma from a Si target which emitted an X-ray probing pulse at the wavelength of 6.65 Å. A spherically bent quartz crystal imaged the backlit wires onto X-ray film. Laser probing diagnostics at the wavelength of 266 nm included a 3-channel polarimeter for Faraday rotation diagnostic and two-frame laser interferometry with two shearing interferometers to study the evolution of the plasma electron density at the ablation and implosion stages. Dynamics of the plasma density profile in Al wire arrays at the ablation stage were directly studied with interferometry, and expansion of wire cores was measured with X-ray radiography. Finally, the magnetic field in the imploding plasma was measured with the Faraday rotation diagnostic, and current was reconstructed.},
doi = {10.1063/1.4934980},
journal = {Physics of Plasmas},
number = 11,
volume = 22,
place = {United States},
year = {Fri Nov 06 00:00:00 EST 2015},
month = {Fri Nov 06 00:00:00 EST 2015}
}

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Cited by: 3 works
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Works referencing / citing this record:

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Investigation of wire-array Z-pinches by laser probing diagnostics
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