Study of a Laser-Produced Plasma by Langmuir Probes

C. T. Chang; M. Hasimi; H. C. Pant

doi:10.1088/0032-1028/19/12/004

Study of a Laser-Produced Plasma by Langmuir Probes

C. T. Chang, M. Hasimi, H. C. Pant

Research output: Contribution to journal › Journal article › Research › peer-review

Abstract

The structure, the parameters and the expansion of the plasma produced by focusing a 7 J, 20 ns Nd-glass laser on stainless-steel and glass targets suspended in a high-vacuum chamber were investigated by Langmuir probes. It was observed that the probe signals consisted of a photoelectric-emission peak and the main plasma from the target. The flow velocity, density and electron temperature of the plasma were determined. The expansion of the plasma was found to be adiabatic, yielding gamma =5/3. The spatial distribution of the plasma was observed to be strongly anisotropic.

Original language	English
Journal	Plasma Physics and Controlled Fusion
Volume	19
Issue number	12
Pages (from-to)	1129-1138
ISSN	0741-3335
DOIs	https://doi.org/10.1088/0032-1028/19/12/004
Publication status	Published - 1977

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abstract = "The structure, the parameters and the expansion of the plasma produced by focusing a 7 J, 20 ns Nd-glass laser on stainless-steel and glass targets suspended in a high-vacuum chamber were investigated by Langmuir probes. It was observed that the probe signals consisted of a photoelectric-emission peak and the main plasma from the target. The flow velocity, density and electron temperature of the plasma were determined. The expansion of the plasma was found to be adiabatic, yielding gamma =5/3. The spatial distribution of the plasma was observed to be strongly anisotropic.",

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AU - Chang, C. T.

AU - Hasimi, M.

AU - Pant, H. C.

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N2 - The structure, the parameters and the expansion of the plasma produced by focusing a 7 J, 20 ns Nd-glass laser on stainless-steel and glass targets suspended in a high-vacuum chamber were investigated by Langmuir probes. It was observed that the probe signals consisted of a photoelectric-emission peak and the main plasma from the target. The flow velocity, density and electron temperature of the plasma were determined. The expansion of the plasma was found to be adiabatic, yielding gamma =5/3. The spatial distribution of the plasma was observed to be strongly anisotropic.

AB - The structure, the parameters and the expansion of the plasma produced by focusing a 7 J, 20 ns Nd-glass laser on stainless-steel and glass targets suspended in a high-vacuum chamber were investigated by Langmuir probes. It was observed that the probe signals consisted of a photoelectric-emission peak and the main plasma from the target. The flow velocity, density and electron temperature of the plasma were determined. The expansion of the plasma was found to be adiabatic, yielding gamma =5/3. The spatial distribution of the plasma was observed to be strongly anisotropic.

U2 - 10.1088/0032-1028/19/12/004

DO - 10.1088/0032-1028/19/12/004

M3 - Journal article

SN - 0741-3335

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SP - 1129

EP - 1138

JO - Plasma Physics and Controlled Fusion

JF - Plasma Physics and Controlled Fusion

IS - 12

ER -

Study of a Laser-Produced Plasma by Langmuir Probes

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