Circuit for the Display of Langmuir Probe Characteristics

The use of Langmuir probes for plasma measurements usually entails laborious graphical reduction of data to obtain the electron temperature, and errors are often introduced by drift in the plasma characteristics while the measurements are being taken. This paper describes a simple and accurate elect...

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Published in:Review of scientific instruments 1963-01, Vol.34 (4), p.416-420
Main Author: Harp, R. S.
Format: Article
Language:English
Subjects:
INSTRUMENTS AND INSTRUMENTATION
LANGMUIR PROBE
PLASMA
SAMPLING
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description The use of Langmuir probes for plasma measurements usually entails laborious graphical reduction of data to obtain the electron temperature, and errors are often introduced by drift in the plasma characteristics while the measurements are being taken. This paper describes a simple and accurate electronic device for reducing the probe data and displaying the results on an oscilloscope. The circuit employs commercially available plug‐in amplifiers to provide maximum ease of construction, and high accuracy is obtained with a minimum of calibration adjustments.
doi_str_mv 10.1063/1.1718384
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ispartof Review of scientific instruments, 1963-01, Vol.34 (4), p.416-420
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source American Institute of Physics; AIP Digital Archive
subjects INSTRUMENTS AND INSTRUMENTATION
LANGMUIR PROBE
PLASMA
SAMPLING
title Circuit for the Display of Langmuir Probe Characteristics
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