Measurements of shock waves using Thomson and Rayleigh scattering on an expanding plasma

M.C.M. Sanden, van de, G.M. Janssen, J.M. Regt, de, D.C. Schram, J.J.A.M. Mullen, van der, B. Sijde, van der

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Abstract

A new combined Thomson and Rayleigh scattering setup is presented. A key problem in developing a Thomson-Rayleigh scattering setup is the level of the unwanted stray light. The level in the new setup is decreased to 10-2 torr Ar, making possible the measurement of neutral densities down to 1020 m-3. The setup is used to measure ne, n0, and Te in an expanding magnetized cascaded arc plasma, which, depending on the operating mode, has electron densities in the range 5 * 1017-1021 m-3, neutral densities in the range 1020-1023 m-3, and electron temps. of 1000-25,000 K. [on SciFinder (R)]
Original languageEnglish
Title of host publication5th international symposium on Laser-aided plasma diagnostics : proceedings, Physikzentrum, Bad-Honnef, August 19-23, 1991
Place of PublicationJülich
PublisherForschungszentrum Jülich
Pages297-302
ISBN (Print)3-89336-075-1
Publication statusPublished - 1991

Publication series

NameKonferenzen des Forschungszentrums Jülich
Volume9
ISSN (Print)0938-6521

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