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Type: Artigo de periódico
Title: The Application Of A Multipass System For Thomson Scattering Diagnostics In Magnetically Confined Plasmas
Author: Campos D.O.
Machida M.
Berni L.A.
Kantor M.
Moshkalyov S.A.
Lebedev S.V.
Abstract: Multipass systems are helpfull on Thomson scattering measurements for determination of electron temperatures and densities in plasmas, increasing the intensity of the scattered spectrum. A low cost, simple and effective multipass construction originally developed for aplications in tokamak plasmas was built and tested for the first time in a theta-pinch device, the compact torus TC-1. A detailed analysis about the gain on the scattered signal provided by the multipass system is discussed. The use of multipass for Thomson scattering experiments in theta-pinch devices or in more dense plasmas as well as in plasmas with higher Z eff can be recommended for reduction of the relation between laser and bremsstrahlung signals. The successfull results obtained are shown. Multipass and single pass measurements are compared. The application of this system on the recently installed tokamak NOVA-UNICAMP is also discussed.
Citation: Brazilian Journal Of Physics. , v. 26, n. 4, p. 742 - 746, 1996.
Rights: fechado
Date Issue: 1996
Appears in Collections:Unicamp - Artigos e Outros Documentos

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