A kilo-tesla level, quasi-static magnetic field (B-field), which is generated with an intense laser-driven capacitor-coil target, was measured by proton deflectometry with a proper plasma shielding. Proton deflectometry is a direct and reliable method to diagnose strong, mm3-scale laser-produced B-field; however, this was not successful in the previous experiment. A target-normal-sheath-accelerated proton beam is deflected by Lorentz force in the laser-produced magnetic field with the resulting deflection pattern recorded on a radiochromic film stack. A 610 ± 30 T of B-field amplitude was inferred by comparing the experimental proton pattern with Monte-Carlo calculations. The amplitude and temporal evolutions of the laser-generated B-field were also measured by a differential magnetic probe, independently confirming the proton deflectometry measurement results.
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29 February 2016
Research Article|
March 01 2016
Direct measurement of kilo-tesla level magnetic field generated with laser-driven capacitor-coil target by proton deflectometry
K. F. F. Law
;
K. F. F. Law
1Institute of Laser Engineering,
Osaka University
, 2-6 Yamada-oka, Suita, Osaka 565-0871, Japan
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M. Bailly-Grandvaux;
M. Bailly-Grandvaux
2
University of Bordeaux
, CNRS, CEA, CELIA (Centre Lasers Intenses et Applications), UMR 5107, F-33405 Talence, France
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A. Morace;
A. Morace
1Institute of Laser Engineering,
Osaka University
, 2-6 Yamada-oka, Suita, Osaka 565-0871, Japan
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S. Sakata;
S. Sakata
1Institute of Laser Engineering,
Osaka University
, 2-6 Yamada-oka, Suita, Osaka 565-0871, Japan
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K. Matsuo;
K. Matsuo
1Institute of Laser Engineering,
Osaka University
, 2-6 Yamada-oka, Suita, Osaka 565-0871, Japan
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S. Kojima;
S. Kojima
1Institute of Laser Engineering,
Osaka University
, 2-6 Yamada-oka, Suita, Osaka 565-0871, Japan
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S. Lee;
S. Lee
1Institute of Laser Engineering,
Osaka University
, 2-6 Yamada-oka, Suita, Osaka 565-0871, Japan
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X. Vaisseau;
X. Vaisseau
1Institute of Laser Engineering,
Osaka University
, 2-6 Yamada-oka, Suita, Osaka 565-0871, Japan
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Y. Arikawa;
Y. Arikawa
1Institute of Laser Engineering,
Osaka University
, 2-6 Yamada-oka, Suita, Osaka 565-0871, Japan
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A. Yogo;
A. Yogo
1Institute of Laser Engineering,
Osaka University
, 2-6 Yamada-oka, Suita, Osaka 565-0871, Japan
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K. Kondo;
K. Kondo
3Research Laboratory for Nuclear Reactors,
Tokyo Institute of Technology
, 2-12-1 Ookayama, Meguro-ku, Tokyo 152-8550, Japan
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Z. Zhang;
Z. Zhang
1Institute of Laser Engineering,
Osaka University
, 2-6 Yamada-oka, Suita, Osaka 565-0871, Japan
4National Laboratory for Condensed Matter Physics, Institute of Physics,
Chinese Academy of Sciences
, Beijing 100190, China
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C. Bellei;
C. Bellei
2
University of Bordeaux
, CNRS, CEA, CELIA (Centre Lasers Intenses et Applications), UMR 5107, F-33405 Talence, France
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J. J. Santos;
J. J. Santos
2
University of Bordeaux
, CNRS, CEA, CELIA (Centre Lasers Intenses et Applications), UMR 5107, F-33405 Talence, France
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S. Fujioka
;
S. Fujioka
a)
1Institute of Laser Engineering,
Osaka University
, 2-6 Yamada-oka, Suita, Osaka 565-0871, Japan
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H. Azechi
H. Azechi
1Institute of Laser Engineering,
Osaka University
, 2-6 Yamada-oka, Suita, Osaka 565-0871, Japan
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Appl. Phys. Lett. 108, 091104 (2016)
Article history
Received:
November 18 2015
Accepted:
February 18 2016
Citation
K. F. F. Law, M. Bailly-Grandvaux, A. Morace, S. Sakata, K. Matsuo, S. Kojima, S. Lee, X. Vaisseau, Y. Arikawa, A. Yogo, K. Kondo, Z. Zhang, C. Bellei, J. J. Santos, S. Fujioka, H. Azechi; Direct measurement of kilo-tesla level magnetic field generated with laser-driven capacitor-coil target by proton deflectometry. Appl. Phys. Lett. 29 February 2016; 108 (9): 091104. https://doi.org/10.1063/1.4943078
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