001     12529
005     20240711113857.0
024 7 _ |a pmid:21133466
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024 7 _ |a 10.1063/1.3497305
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024 7 _ |a WOS:000285006500013
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024 7 _ |a 2128/16759
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037 _ _ |a PreJuSER-12529
041 _ _ |a eng
082 _ _ |a 530
084 _ _ |2 WoS
|a Instruments & Instrumentation
084 _ _ |2 WoS
|a Physics, Applied
100 1 _ |a Krämer-Flecken, A.
|b 0
|u FZJ
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245 _ _ |a Correlation Reflectometry at TEXTOR
260 _ _ |a [S.l.]
|b American Institute of Physics
|c 2010
300 _ _ |a 113502
336 7 _ |a Journal Article
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336 7 _ |a JOURNAL_ARTICLE
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336 7 _ |a article
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440 _ 0 |a Review of Scientific Instruments
|x 0034-6748
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|v 81
500 _ _ |a Record converted from VDB: 12.11.2012
520 _ _ |a In 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.
536 _ _ |a Fusion
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700 1 _ |a Soldatov, S.
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700 1 _ |a Vowinkel, B.
|b 2
|0 P:(DE-HGF)0
700 1 _ |a Müller, P.
|b 3
|0 P:(DE-HGF)0
773 _ _ |a 10.1063/1.3497305
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|v 81
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856 7 _ |u http://dx.doi.org/10.1063/1.3497305
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