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Collective Thomson scattering capabilities to diagnose fusion plasmas

โœ Scribed by S.B. Korsholm; H. Bindslev; V. Furtula; F. Leipold; F. Meo; P.K. Michelsen; D. Moseev; S.K. Nielsen; M. Salewski; M. Stejner

Book ID
103859618
Publisher
Elsevier Science
Year
2010
Tongue
English
Weight
476 KB
Volume
623
Category
Article
ISSN
0168-9002

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โœฆ Synopsis

Collective Thomson scattering (CTS) is a versatile technique for diagnosing fusion plasmas. In particular, experiments on diagnosing the ion temperature and fast ion velocity distribution have been executed on a number of fusion devices. In this article the main aim is to describe the technique, focusing on the measurements of fast ion dynamics in the tokamaks TEXTOR and ASDEX Upgrade. Other potential applications such as measurements of bulk ion temperature, bulk ion rotation, and fuel ion ratio measurements will be mentioned.

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## Abstract Thomson scattering with a 1.5 ms long pulse mode 20 J ruby laser has been applied to a radiative argon plasma with electron densities __n__~__e__~ from 2.5 10^19^ m^โˆ’3^ to 1.5 10^20^ m^โˆ’3^ and an electron temperature __T__~__e__~ of about 3 eV. Photon counting techniques have been used.