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

Anderson, A. A.; Ivanov, V. V.; Astanovitskiy, A. L.; Papp, D.; Wiewior, P. P.; Chalyy, O.

doi:10.1063/1.4934980

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

Journal Article · Fri Nov 06 00:00:00 EST 2015 · Physics of Plasmas

DOI:https://doi.org/10.1063/1.4934980· OSTI ID:1469598

Anderson, A. A. ^[1];

^[1]; Astanovitskiy, A. L. ^[1]; Papp, D. ^[2]; Wiewior, P. P. ^[1]; Chalyy, O. ^[1]

Univ. of Nevada, Reno, NV (United States)
Univ. of Nevada, Reno, NV (United States); ELI-ALPS, Szeged (Hungary)

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.

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Research Organization:: Univ. of Nevada, Reno, NV (United States)

Sponsoring Organization:: USDOE Office of Science (SC), Fusion Energy Sciences (FES); USDOE National Nuclear Security Administration (NNSA)

Grant/Contract Number:: SC0008824; NA0002075

OSTI ID:: 1469598

Alternate ID(s):: OSTI ID: 1225402

Journal Information:: Physics of Plasmas, Vol. 22, Issue 11; ISSN 1070-664X

Publisher:: American Institute of Physics (AIP)Copyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 3 works

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References (28)

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Experimental platform for investigations of high-intensity laser plasma interactions in the magnetic field of a pulsed power generator Ivanov, V. V.; Maximov, A. V.; Swanson, K. J. Review of Scientific Instruments, Vol. 89, Issue 3 https://doi.org/10.1063/1.5016973	journal	March 2018
Investigation of wire-array Z-pinches by laser probing diagnostics Ivanov, V. V.; Anderson, A. A.; Papp, D. Matter and Radiation at Extremes, Vol. 4, Issue 1 https://doi.org/10.1063/1.5081453	journal	January 2019

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

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