NDLI: Implosions of larger size wire arrays at enhanced current of 1.5

Content Provider	IEEE Xplore Digital Library
Author	Safronova, A.S. Esaulov, A.A. Kantsyrev, V.L. Stafford, A. Weller, M.E. Shlyaptseva, V.V. Zunino, H.A. Shrestha, I. Osborne, G.C. Keim, S.F. Chuvatin, A.S. Coverdale, C.A.
Copyright Year	2012
Description	Author affiliation: Ecole Polytechnique, 91128 Palaiseau, France (Chuvatin, A.S.) \|\| Sandia National Laboratories, Albuquerque, NM 87185, USA (Coverdale, C.A.) \|\| University of Nevada, Reno, 89557, USA (Safronova, A.S.; Esaulov, A.A.; Kantsyrev, V.L.; Stafford, A.; Weller, M.E.; Shlyaptseva, V.V.; Zunino, H.A.; Shrestha, I.; Osborne, G.C.; Keim, S.F.)
Abstract	Summary form only given. Experiments on Zebra with a Load Current Multiplier (LCM, which provides an enhanced current of 1.5–1.7 MA) allow the implosion of larger wire array loads than possible with the standard current of 1 MA. Advantages of the larger wire arrays include enhanced energy coupling to plasmas and better diagnostic access to observable plasma regions. Diagnostics, fielded on 10 beam lines, included PCD, XRD, and EUV detectors, X-ray/EUV spectrometers and X-ray pinhole cameras, and laser shadowgraphy. For this work, we collected and analyzed the experimental results from standard and modified triple planar wire arrays (TPWA), as well as cylindrical wire arrays (CWA). The anode-cathode gap in these experiments with LCM was 1 cm, which is half the gap used in the standard mode. For TPWAs, two outer wire planes were made out of mid-atomic-number wire material (Ni or Cu) with the inter-row gap increased from 1.5 or 3 mm (usually used at 1 MA current) up to 4.5 mm. The different designs of a central wire plane from Al were implemented to investigate its role as a magnetic field extruder to prevent the formation of closed magnetic configurations around each wire plane. Previous work has shown that larger double planar wire arrays (at a standard current) can block the inward motion of ablated plasma jets. Therefore, multi-planar wire arrays provide a new test bed to study jet formations in larger wire arrays for laboratory astrophysics. In addition, we measured higher linear radiation yield and the high-temperature precursor Al plasmas, not previously observable in experiments on Zebra at 1 Ma current. However, the observation of high-temperature precursor plasmas from Cu CWAs at enhanced current was consistent with previous findings at a standard current of 1 MA.
File Size	98875
File Format	PDF
ISBN	9781457721274
ISSN	07309244
e-ISBN	9781457721298
e-ISBN	9781457721281
DOI	10.1109/PLASMA.2012.6384037
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-07-08
Publisher Place	United Kingdom
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Wires Standards Plasmas Laboratories X-ray lasers USA Councils Laser beams
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics Condensed Matter Physics Electrical and Electronic Engineering

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Implosions of Larger Size Wire Arrays at Enhanced Current of 1.5-1.7 MA on Zebra with LCM.

New Regimes of Implosions of Larger Sized Wire Arrays With and Without Modified Central Plane at 1.5-1.7 MA ZEBRA.

Characteristics of the electron beam driven K-shell emission from brass wire array implosions on the zebra generator

Analysis of Ni-60 alloy precursor wire array experiments on the 1.7 MA Zebra generator at UNR

Diagnosing K- and L-shell spectra from wire array implosions on refurbished Z

Double planar wire arrays at enhanced current on Zebra

High-Resolution UV Laser Diagnostics on the 1-MA Zebra Generator

Study of 1 MA wire array Z pinches using x-ray radiography and UV laser diagnostics

Analysis of Al precursor wire array experiments on the 1 MA zebra generator at UNR

Implosions of larger size wire arrays at enhanced current of 1.5–1.7 MA on zebra with LCM

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Implosions of Larger Size Wire Arrays at Enhanced Current of 1.5-1.7 MA on Zebra with LCM.

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