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Opticopyrometric Determination of Temperature in an Ar ICP

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Abstract:

The temperature/spatial profile of an Ar ICP has been obtained by two-color infrared (IR) optical pyrometry. The temperatures range from 1668 to 2543 K, depending upon position and radio frequency (rf) input power. Results show at powers of 1.5 to 2.0 kW that the spatial dependence of the temperature closely resembles the spatial dependence of electron number density, suggesting that the electron number density plays an important role in determining the thermodynamic temperature.

Keywords: Emission spectroscopy; Instrumentation, emission spectroscopy; Optical pyrometry; Spectroscopic techniques

Document Type: Research Article

DOI: http://dx.doi.org/10.1366/0003702914336354

Affiliations: Department of Chemistry, University of Cincinnati, Cincinnati, Ohio 45221-0172

Publication date: July 1, 1991

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sas/sas/1991/00000045/00000006/art00018
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