Fast bolometric diagnostic in the RFX reversed field pinch experiment

Bolometric measurements are performed in the RFX reversed field pinch experiment by means of a low noise miniaturized multichannel metal resistor bolometer module. The first tests on RFX, an experiment with geometrical dimensions comparable with those of large tokamaks but characterized by a much fa...

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Bibliographic Details
Published in:Review of Scientific Instruments 1992-10, Vol.63 (10), p.4714-4716
Main Authors: Mast, K. F., Gadani, G., Gaggini, P., Giubbilei, M., Guatieri, R., Martin, P., Murari, A., Parini, A., Perdon, E.
Format: Article
Language:English
Subjects:
Exact sciences and technology
Physics
Physics of gases, plasmas and electric discharges
Physics of plasmas and electric discharges
Plasma diagnostic techniques and instrumentation
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Summary:Bolometric measurements are performed in the RFX reversed field pinch experiment by means of a low noise miniaturized multichannel metal resistor bolometer module. The first tests on RFX, an experiment with geometrical dimensions comparable with those of large tokamaks but characterized by a much faster plasma dynamics, show that this thin film bolometer can be operated with high bandwidth and high time resolution in very different fusion experiments. A new data analysis technique, which allows the derivation of the power absorbed by the bolometer at a high time resolution (Δt=3×10−5 s) for the study of fast phenomena is presented.
ISSN:0034-6748
1089-7623
DOI:10.1063/1.1143616