Measurements of Electron Density and Electron Temperature of Arc Discharge Plasmas Containing Metallic Vapors Using Laser Thomson Scattering

2014 ◽  
Vol 188 (4) ◽  
pp. 1-8
Author(s):  
Kentaro Tomita ◽  
Shinya Yoshitake ◽  
Kiichiro Uchino ◽  
Daigo Takenaka ◽  
Hiroaki Toda ◽  
...  
Keyword(s):  
Electron Temperature ◽  
Electron Density ◽  
Arc Discharge ◽  
Thomson Scattering ◽  
Discharge Plasmas

Measurements of Electron Density and Electron Temperature of Arc Discharge Plasmas Containing Metallic Vapors using Laser Thomson Scattering

2013 ◽  
Vol 133 (9) ◽  
pp. 458-464 ◽  
Author(s):  
Kentaro Tomita ◽  
Shinya Yoshitake ◽  
Kiichiro Uchino ◽  
Daigo Takenaka ◽  
Hiroaki Toda ◽  
...  
Keyword(s):  
Electron Temperature ◽  
Electron Density ◽  
Arc Discharge ◽  
Thomson Scattering ◽  
Discharge Plasmas

Microwave Diagnostics of a Strong Arc Discharge Plasma in SF6

1975 ◽  
Vol 30 (8) ◽  
pp. 947-950 ◽  
Author(s):  
J. Musil ◽  
F. Žáček
Keyword(s):  
Electromagnetic Wave ◽  
Electron Density ◽  
Free Space ◽  
Discharge Plasma ◽  
Collision Frequency ◽  
Arc Discharge ◽  
Time Variable ◽  
Discharge Plasmas ◽  
Microwave Diagnostics ◽  
Basic Concepts

Abstract The paper deals with the microwave free-space diagnostics of high collision arc discharge plasmas. It is found that information about the electron density N and the collision frequency ν in such a plasma can be obtained from the energy transmitted through the plasma by an electromagnetic wave. The phase of the electromagnetic wave cannot be used since it is almost the same as that of a wave passing through vacuum. These basic concepts are verified experimentally at a frequency of 37.5 GHz. It is shown how the time dependence of the electron density in a plasma with constant and with time variable collision frequency may be evaluated.

OPTICAL EMISSION SPECTROSCOPY OF CARBON ARC DISCHARGE PLASMA

2015 ◽  
Vol 74 (8) ◽  
Author(s):  
Kashif Chaudhary ◽  
Usman Tariq ◽  
Sufi Roslan ◽  
Ong Shude ◽  
M. S. Aziz
Keyword(s):  
Electron Temperature ◽  
Electron Density ◽  
Emission Spectroscopy ◽  
Optical Emission Spectroscopy ◽  
Discharge Plasma ◽  
Arc Discharge ◽  
Ambient Pressure ◽  
Optical Emission ◽  
Plasma Dynamics ◽  
Arc Current

The arc discharge plasma is one of the efficient technique to fabricate nano-structures such as nanotubes, nanoparticles and thin films, which have variety of technological applications. In this study, plasma dynamics such as the electron density and temperature for arc discharge carbon plasma in methane ambient environment is presented to investigate the impact and contribution of physical parameter as arc current and ambient pressure on the plasma dynamics. The electron temperature and density is estimated applying in situ optical emission spectroscopy. The optical spectra are recorded for applied arc current 50A, 60A, 70A, 80A and 90A for ambient pressures 100torr, 300torr and 500torr. A rise in electron temperature and electron density is detected with increase in applied arc current and ambient pressure. The obtained results reveal that in arc discharge process, the arc current and ambient pressure have significant contribution towards the kinetics of the plasma species.

Thomson scattering on argon surfatron plasmas at intermediate pressures: Axial profiles of the electron temperature and electron density

2010 ◽  
Vol 65 (3) ◽  
pp. 225-233 ◽  
Author(s):  
J.M. Palomares ◽  
E. Iordanova ◽  
E.M. van Veldhuizen ◽  
L. Baede ◽  
A. Gamero ◽  
...  
Keyword(s):  
Electron Temperature ◽  
Electron Density ◽  
Thomson Scattering
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