Electronic Resource
Woodbury, NY
:
American Institute of Physics (AIP)
Applied Physics Letters
60 (1992), S. 1304-1306
ISSN:
1077-3118
Source:
AIP Digital Archive
Topics:
Physics
Notes:
A method of determining the temperature of a thermal plasma by laser scattering, without frequency resolution of the scattered signal, is introduced. The method gives valid measurements of the gas temperature across the complete diameter of a free-burning argon arc, even in regions in which local thermodynamic equilibrium does not exist. The results show that the maximum temperature in a 100 A arc, with a 60° conical thoriated-tungsten cathode, is over 18 000 K, in agreement with our previous spectroscopic measurements.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1063/1.107324
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