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000012529 084__ $$2WoS$$aInstruments & Instrumentation
000012529 084__ $$2WoS$$aPhysics, Applied
000012529 1001_ $$0P:(DE-Juel1)130075$$aKrämer-Flecken, A.$$b0$$uFZJ
000012529 245__ $$aCorrelation Reflectometry at TEXTOR
000012529 260__ $$a[S.l.]$$bAmerican Institute of Physics$$c2010
000012529 300__ $$a113502
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000012529 440_0 $$05309$$aReview of Scientific Instruments$$v81$$x0034-6748$$y11
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000012529 520__ $$aIn high temperature fusion plasmas the transport of energy and particles is commonly believed to be driven by turbulence. Turbulence quantities as correlation length and decorrelation time are important for the confinement properties of a plasma. Besides other diagnostics, correlation reflectometry has proven to be a suitable tool for the measurement of turbulence properties. At the medium sized Toroidal EXperiment for Technical Oriented Research (TEXTOR) the existing correlation reflectometry has been recently upgraded. A new reflectometer based on a microwave synthesizer has been developed and installed for the investigation of turbulence properties in a fusion plasma. Together with the existing reflectometer the measurement of radial correlation length and decorrelation time becomes available. Both reflectometers are computer controlled and allow to program individual frequency sequences and the duration of each frequency step. With the existing poloidal antenna array at θ=0° and on top of the vacuum vessel, the system allows the measurement of radial correlation and poloidal correlations at the same time. First experiments have been performed and the results on the radial correlation length of density fluctuations in a fusion plasma are presented.
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000012529 7001_ $$0P:(DE-Juel1)VDB3593$$aSoldatov, S.$$b1$$uFZJ
000012529 7001_ $$0P:(DE-HGF)0$$aVowinkel, B.$$b2
000012529 7001_ $$0P:(DE-HGF)0$$aMüller, P.$$b3
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000012529 8567_ $$uhttp://dx.doi.org/10.1063/1.3497305
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000012529 9131_ $$0G:(DE-Juel1)FUEK403$$bEnergie$$kP13$$lFusion$$vFusion$$x0
000012529 9132_ $$0G:(DE-HGF)POF3-174$$1G:(DE-HGF)POF3-170$$2G:(DE-HGF)POF3-100$$aDE-HGF$$bForschungsbereich Energie$$lKernfusion$$vPlasma-Wall-Interaction$$x0
000012529 9141_ $$y2010
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