Technique for fabrication of ultrathin foils in cylindrical geometry for liner-plasma implosion experiments with sub-megaampere currents

Yager-Elorriaga, D. A.; Steiner, A. M.; Patel, S. G.; Jordan, N. M.; Lau, Y. Y.; Gilgenbach, R. M.

doi:10.1063/1.4935838

Title: Technique for fabrication of ultrathin foils in cylindrical geometry for liner-plasma implosion experiments with sub-megaampere currents

Journal Article · Thu Nov 19 00:00:00 EST 2015 · Review of Scientific Instruments

DOI:https://doi.org/10.1063/1.4935838· OSTI ID:1229753

Yager-Elorriaga, D. A. ^[1]; Steiner, A. M. ^[1]; Patel, S. G. ^[1];

^[1]; Lau, Y. Y. ^[1];

^[1]

Univ. of Michigan, Ann Arbor, MI (United States)

In this study, we describe a technique for fabricating ultrathin foils in cylindrical geometry for liner-plasma implosion experiments using sub-MA currents. Liners are formed by wrapping a 400 nm, rectangular strip of aluminum foil around a dumbbell-shaped support structure with a non-conducting center rod, so that the liner dimensions are 1 cm in height, 6.55 mm in diameter, and 400 nm in thickness. The liner-plasmas are imploded by discharging ~600 kA with ~200 ns rise time using a 1 MA linear transformer driver, and the resulting implosions are imaged four times per shot using laser-shadowgraphy at 532 nm. As a result, this technique enables the study of plasma implosion physics, including the magneto Rayleigh-Taylor, sausage, and kink instabilities on initially solid, imploding metallic liners with university-scale pulsed power machines.

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Research Organization:: Univ. of Michigan, Ann Arbor, MI (United States)

Sponsoring Organization:: USDOE

Grant/Contract Number:: SC0012328

OSTI ID:: 1229753

Alternate ID(s):: OSTI ID: 1226511

Journal Information:: Review of Scientific Instruments, Vol. 86, Issue 11; ISSN 0034-6748

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

Country of Publication:: United States

Language:: English

Citation Metrics:

Cited by: 13 works

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References (24)

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Cited By (5)

Seeded and unseeded helical modes in magnetized, non-imploding cylindrical liner-plasmas Yager-Elorriaga, D. A.; Zhang, P.; Steiner, A. M. Physics of Plasmas, Vol. 23, Issue 10 https://doi.org/10.1063/1.4965240	journal	October 2016
Discrete helical modes in imploding and exploding cylindrical, magnetized liners Yager-Elorriaga, D. A.; Zhang, P.; Steiner, A. M. Physics of Plasmas, Vol. 23, Issue 12 https://doi.org/10.1063/1.4969082	journal	December 2016
Technique for insulated and non-insulated metal liner X-pinch radiography on a 1 MA pulsed power machine Atoyan, L.; Shelkovenko, T. A.; Pikuz, S. A. Review of Scientific Instruments, Vol. 88, Issue 11 https://doi.org/10.1063/1.4989985	journal	November 2017
The electro-thermal stability of tantalum relative to aluminum and titanium in cylindrical liner ablation experiments at 550 kA Steiner, Adam M.; Campbell, Paul C.; Yager-Elorriaga, David A. Physics of Plasmas, Vol. 25, Issue 3 https://doi.org/10.1063/1.5012891	journal	March 2018
Evolution of sausage and helical modes in magnetized thin-foil cylindrical liners driven by a Z-pinch Yager-Elorriaga, D. A.; Lau, Y. Y.; Zhang, P. Physics of Plasmas, Vol. 25, Issue 5 https://doi.org/10.1063/1.5017849	journal	May 2018

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70 PLASMA PHYSICS AND FUSION TECHNOLOGY
Rayleigh-Taylor instability
aluminum
plasma instability
z-pinch
linear transformer driver
macroinstabilities
magnetic fields
anodes

Title: Technique for fabrication of ultrathin foils in cylindrical geometry for liner-plasma implosion experiments with sub-megaampere currents

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