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Internal magnetic turbulence measurement in plasma by cross polarization scattering

Abstract

For the first time, the internal magnetic turbulence is measured by a new cross polarization scattering diagnostic in Tore Supra tokamak. The principle of this experiment is presented. It is based on the polarization change or mode conversion of the e.m. wave scattering by magnetic fluctuations. The role of different physical processes on the signal formation are investigated. From the Observation, a rough estimate for the relative magnetic fluctuations of about 10{sup -4} is obtained. A strong correlation of the measured signal with additional heating is observed. (author). 14 refs., 4 figs.
Publication Date:
Sep 01, 1994
Product Type:
Technical Report
Report Number:
EUR-CEA-FC-1525
Reference Number:
SCA: 700320; 700340; PA: AIX-28:016358; EDB-97:031311; SN: 97001732014
Resource Relation:
Other Information: PBD: Sep 1994
Subject:
70 PLASMA PHYSICS AND FUSION; TORE SUPRA TOKAMAK; PLASMA DIAGNOSTICS; TURBULENCE; ELECTROMAGNETIC RADIATION; FLUCTUATIONS; MAGNETIC FIELDS; PLASMA HEATING; POLARIZED BEAMS; SCATTERING
OSTI ID:
425000
Research Organizations:
Association Euratom-CEA, Centre d`Etudes Nucleaires de Cadarache, 13 - Saint-Paul-lez-Durance (France). Dept. de Recherches sur la Fusion Controlee
Country of Origin:
France
Language:
English
Other Identifying Numbers:
Other: ON: TI97613457; TRN: FR9601635016358
Availability:
INIS; OSTI as TI97613457
Submitting Site:
FRN
Size:
[16] p.
Announcement Date:

Citation Formats

Zou, X L, Colas, L, Paume, M, Chareau, J M, Laurent, L, Devynck, P, and Gresillon, D. Internal magnetic turbulence measurement in plasma by cross polarization scattering. France: N. p., 1994. Web.
Zou, X L, Colas, L, Paume, M, Chareau, J M, Laurent, L, Devynck, P, & Gresillon, D. Internal magnetic turbulence measurement in plasma by cross polarization scattering. France.
Zou, X L, Colas, L, Paume, M, Chareau, J M, Laurent, L, Devynck, P, and Gresillon, D. 1994. "Internal magnetic turbulence measurement in plasma by cross polarization scattering." France.
@misc{etde_425000,
title = {Internal magnetic turbulence measurement in plasma by cross polarization scattering}
author = {Zou, X L, Colas, L, Paume, M, Chareau, J M, Laurent, L, Devynck, P, and Gresillon, D}
abstractNote = {For the first time, the internal magnetic turbulence is measured by a new cross polarization scattering diagnostic in Tore Supra tokamak. The principle of this experiment is presented. It is based on the polarization change or mode conversion of the e.m. wave scattering by magnetic fluctuations. The role of different physical processes on the signal formation are investigated. From the Observation, a rough estimate for the relative magnetic fluctuations of about 10{sup -4} is obtained. A strong correlation of the measured signal with additional heating is observed. (author). 14 refs., 4 figs.}
place = {France}
year = {1994}
month = {Sep}
}