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Title: Inductively coupled 30 T magnetic field platform for magnetized high-energy-density plasma studies

Abstract

A pulsed high magnetic field device based on the inductively coupled coil concept [D. H. Barnak et al., Rev. Sci. Instrum. 89, 033501 (2018)] is described. The device can be used for studying magnetized high-energy-density plasma and is capable of producing a pulsed magnetic field of 30 T inside a single-turn coil with an inner diameter of 6.5 mm and a length of 6.3 mm. The magnetic field is created by discharging a high-voltage capacitor through a multi-turn solenoid, which is inductively coupled to a small single-turn coil. The solenoid electric current pulse of tens of kA and a duration of several μs is inductively transformed to hundreds of kA in the single-turn coil, thus enabling a high magnetic field. Unlike directly driven single-turn systems that require a high-current and low-inductive power supply, the inductively coupled system operates using a relatively low-current power supply with very relaxed requirements for its inductance. Finally, this arrangement significantly simplifies the design of the power supply and also makes it possible to place the power supply at a significant distance from the coil. In addition, the device is designed to contain possible wire debris, which makes it attractive for debris-sensitive applications.

Authors:
 [1];  [2]; ORCiD logo [3]; ORCiD logo [4];  [5]; ORCiD logo [6];  [2];  [6];  [2];  [5]
  1. Univ. of Michigan, Ann Arbor, MI (United States). Center for Ultrafast Optical Science
  2. Univ. of Michigan, Ann Arbor, MI (United States). Space Research Lab.
  3. Univ. of Rochester, NY (United States). Lab. for Laser Energetics; Univ. of Rochester, NY (United States). Dept. of Physics and Astronomy
  4. National Cheng Kung Univ., Tainan (Taiwan). Inst. of Space and Plasma Sciences
  5. Univ. of Rochester, NY (United States). Lab. for Laser Energetics; Univ. of Rochester, NY (United States). Dept. of Mechanical Engineering
  6. Univ. of Rochester, NY (United States). Lab. for Laser Energetics
Publication Date:
Research Org.:
Univ. of Rochester, NY (United States)
Sponsoring Org.:
USDOE Office of Science (SC)
OSTI Identifier:
1540233
Alternate Identifier(s):
OSTI ID: 1464322
Grant/Contract Number:  
SC0016258
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Review of Scientific Instruments
Additional Journal Information:
Journal Volume: 89; Journal Issue: 8; Journal ID: ISSN 0034-6748
Publisher:
American Institute of Physics (AIP)
Country of Publication:
United States
Language:
English
Subject:
Instruments & Instrumentation; Physics

Citation Formats

Fiksel, G., Backhus, R., Barnak, D. H., Chang, P. -Y., Davies, J. R., Jacobs-Perkins, D., McNally, P., Spielman, R. B., Viges, E., and Betti, R. Inductively coupled 30 T magnetic field platform for magnetized high-energy-density plasma studies. United States: N. p., 2018. Web. doi:10.1063/1.5040756.
Fiksel, G., Backhus, R., Barnak, D. H., Chang, P. -Y., Davies, J. R., Jacobs-Perkins, D., McNally, P., Spielman, R. B., Viges, E., & Betti, R. Inductively coupled 30 T magnetic field platform for magnetized high-energy-density plasma studies. United States. doi:10.1063/1.5040756.
Fiksel, G., Backhus, R., Barnak, D. H., Chang, P. -Y., Davies, J. R., Jacobs-Perkins, D., McNally, P., Spielman, R. B., Viges, E., and Betti, R. Mon . "Inductively coupled 30 T magnetic field platform for magnetized high-energy-density plasma studies". United States. doi:10.1063/1.5040756. https://www.osti.gov/servlets/purl/1540233.
@article{osti_1540233,
title = {Inductively coupled 30 T magnetic field platform for magnetized high-energy-density plasma studies},
author = {Fiksel, G. and Backhus, R. and Barnak, D. H. and Chang, P. -Y. and Davies, J. R. and Jacobs-Perkins, D. and McNally, P. and Spielman, R. B. and Viges, E. and Betti, R.},
abstractNote = {A pulsed high magnetic field device based on the inductively coupled coil concept [D. H. Barnak et al., Rev. Sci. Instrum. 89, 033501 (2018)] is described. The device can be used for studying magnetized high-energy-density plasma and is capable of producing a pulsed magnetic field of 30 T inside a single-turn coil with an inner diameter of 6.5 mm and a length of 6.3 mm. The magnetic field is created by discharging a high-voltage capacitor through a multi-turn solenoid, which is inductively coupled to a small single-turn coil. The solenoid electric current pulse of tens of kA and a duration of several μs is inductively transformed to hundreds of kA in the single-turn coil, thus enabling a high magnetic field. Unlike directly driven single-turn systems that require a high-current and low-inductive power supply, the inductively coupled system operates using a relatively low-current power supply with very relaxed requirements for its inductance. Finally, this arrangement significantly simplifies the design of the power supply and also makes it possible to place the power supply at a significant distance from the coil. In addition, the device is designed to contain possible wire debris, which makes it attractive for debris-sensitive applications.},
doi = {10.1063/1.5040756},
journal = {Review of Scientific Instruments},
issn = {0034-6748},
number = 8,
volume = 89,
place = {United States},
year = {2018},
month = {8}
}

Journal Article:
Free Publicly Available Full Text
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Figures / Tables:

FIG. 1 FIG. 1: (a) A schematic of an inductively coupled coil. A power supply drives a pulse of current (yellow arrows) through the solenoid, inducing an oppositely directed current (green arrows) in the conductive shell. The induced current flows around the tip of the shell, thus inducing a strong magnetic fieldmore » on the axis of the small field-coil. For clarity, the flanges covering the sides of the cavity are not shown. (b) A photo of the device showing the copper shell with the inserted solenoid.« less

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Works referenced in this record:

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    Figures/Tables have been extracted from DOE-funded journal article accepted manuscripts.