Reduction of plasma electron density in a gas ionized by an electron beam: Use of a gaseous dielectric

1993 ◽  
Vol 73 (9) ◽  
pp. 4212-4217 ◽  
Author(s):  
Max B. Reid
Keyword(s):  
Electron Beam ◽  
Electron Density ◽  
Plasma Electron ◽  
Plasma Electron Density

Design and implementation of plasma electron density measurements based on FPGA with all-phase FFT for tokamak devices

2021 ◽  
Vol 92 (9) ◽  
pp. 093507
Author(s):  
Shuangbao Shu ◽  
Jin Lai ◽  
Zhiqiang Chen ◽  
Yong Wang ◽  
Yuzhong Zhang ◽  
...  
Keyword(s):  
Electron Density ◽  
Plasma Electron ◽  
Density Measurements ◽  
Design And Implementation ◽  
Plasma Electron Density

scholarly journals PARAMETERS OF HYDROGEN PLASMA STREAMS IN QSPA-M AND THEIR DEPENDENCE ON EXTERNAL MAGNETIC FIELD

2021 ◽  
pp. 61-64
Author(s):  
M.S. Ladygina ◽  
Yu.V. Petrov ◽  
D.V. Yeliseev ◽  
V.A. Makhlai ◽  
N.V. Kulik ◽  
...  
Keyword(s):  
Magnetic Field ◽  
Electron Density ◽  
Hydrogen Plasma ◽  
Experimental Studies ◽  
Optical Emission ◽  
Plasma Electron ◽  
Plasma Stream ◽  
Visible Radiation ◽  
Order Of Magnitude ◽  
Plasma Electron Density

Present experimental studies are aimed at analysis of hydrogen plasma stream parameters in various working regimes of QSPA-M operation. Temporal distributions of plasma electron density are reconstructed with optical emission spectroscopy. The magnetic field influence on plasma streams parameters is analyzed. It is shown that in regimes with additional magnetic field the plasma electron density increases by an order of magnitude in comparison with a density value without magnetic field. The plasma velocity and energy density parameters as well as their temporal behaviors were estimatedin different operating regimes of QSPA-M facility. Features of plasma visible radiation were analyzed. This information is important for QSPA-M applications in experiments on interaction of powerful plasma streams with material surfaces.

Investigation on Plasma Electron Density Distribution with Finite Holographic Interferometry

2015 ◽  
Vol 42 (1) ◽  
pp. 0102008
Author(s):  
雷岚 Lei Lan ◽  
曹娜 Cao Na ◽  
曹亮 Cao Liang ◽  
徐青 Xu Qing ◽  
韩长材 Han Changcai ◽  
...  
Keyword(s):  
Density Distribution ◽  
Electron Density ◽  
Holographic Interferometry ◽  
Electron Density Distribution ◽  
Plasma Electron ◽  
Plasma Electron Density

Influence of the pre-pulse plasma electron density on the performance of elemental copper vapour lasers

1998 ◽  
Vol 157 (1-6) ◽  
pp. 99-104 ◽  
Author(s):  
Robert J. Carman ◽  
Michael J. Withford ◽  
Daniel J.W. Brown ◽  
James A. Piper
Keyword(s):  
Electron Density ◽  
Plasma Electron ◽  
Pulse Plasma ◽  
Elemental Copper ◽  
Plasma Electron Density
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