Development of a far-infrared scattering apparatus for the study of collective plasma fluctuations

The feasibility of studying plasma density fluctuations by collecting scattering of submillimetre radiation is demonstrated. Scattering of 800 μm radiation from driven ion acoustic waves in an unmagnetized plasma ( n c ∼ 10 10 cm 3, T c ≃ 3 eV) has been observed. Density fluctuations as low as 2 × 1...

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Bibliographic Details
Published in:Infrared physics 1978-01, Vol.18 (5), p.777-779
Main Authors: Luhmann, N.C., Peebles, W.A., Semet, A., de Grauuw, Th, Gustincic, J.
Format: Article
Language:English
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Summary:The feasibility of studying plasma density fluctuations by collecting scattering of submillimetre radiation is demonstrated. Scattering of 800 μm radiation from driven ion acoustic waves in an unmagnetized plasma ( n c ∼ 10 10 cm 3, T c ≃ 3 eV) has been observed. Density fluctuations as low as 2 × 10 7 cm 3 were easily detected.
ISSN:0020-0891
DOI:10.1016/0020-0891(78)90103-3