Magnetic field measurements via visible spectroscopy on the Z machine

被引：30
作者：
Gomez, M. R. [1 ]
Hansen, S. B. [1 ]
Peterson, K. J. [1 ]
Bliss, D. E. [1 ]
Carlson, A. L. [1 ]
Lamppa, D. C. [1 ]
Schroen, D. G. [2 ]
Rochau, G. A. [1 ]
机构：
[1] Sandia Natl Labs, Albuquerque, NM 87185 USA
[2] Gen Atom Co, San Diego, CA 92121 USA
来源：
REVIEW OF SCIENTIFIC INSTRUMENTS | 2014年 / 85卷 / 11期
关键词：
D O I：
10.1063/1.4891304
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
Sandia's Z Machine uses its high current to magnetically implode targets relevant to inertial confinement fusion. Since target performance is highly dependent on the applied drive field, measuring magnetic field at the target is essential for accurate simulations. Recently, the magnetic field at the target was measured through splitting of the sodium 3s-3p doublet at 5890 and 5896 angstrom. Spectroscopic dopants were applied to the exterior of the target, and spectral lines were observed in absorption. Magnetic fields in excess of 200 T were measured, corresponding to drive currents of approximately 5 MA early in the pulse. (C) 2014 AIP Publishing LLC.
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页数：3
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