A tomography diagnostic in the visible spectrum to investigate turbulence and coherent modes in the linear plasma column Mistral

In this paper, we describe a newly installed tomography diagnostic on the linear magnetized plasma device Mistral. The diagnostic is composed of 128 lines of sight covering a 20 cm diameter section and an acquisition rate up to 1 MHz. The measurements are done in the visible spectrum using silicon p...

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Bibliographic Details
Published in:Review of scientific instruments 2017-11, Vol.88 (11), p.113507-113507
Main Authors: David, P., Escarguel, A., Camenen, Y., Baude, R., Ferrand, D.
Format: Article
Language:English
Subjects:
Diagnostic systems
Photomultiplier tubes
Rotating plasmas
Scientific apparatus & instruments
Tomography
Visible spectrum
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Summary:In this paper, we describe a newly installed tomography diagnostic on the linear magnetized plasma device Mistral. The diagnostic is composed of 128 lines of sight covering a 20 cm diameter section and an acquisition rate up to 1 MHz. The measurements are done in the visible spectrum using silicon photomultiplier arrays that require a lower amplification voltage than photomultiplier tubes for similar gains and have a fast response. Tomographic reconstruction of a rotating plasma mode is shown to illustrate the capabilities of the diagnostic.
ISSN:0034-6748
1089-7623
DOI:10.1063/1.4998017