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Far-infrared tangential interferometer/polarimeter design and installation for NSTX-U.
Scott, E R; Barchfeld, R; Riemenschneider, P; Domier, C W; Muscatello, C M; Sohrabi, M; Kaita, R; Ren, Y; Luhmann, N C.
  • Scott ER; Department of Mechanical and Aerospace Engineering, University of California, Davis, California 95616, USA.
  • Barchfeld R; Department of Applied Science, University of California, Davis, California 95616, USA.
  • Riemenschneider P; Department of Electrical and Computer Engineering, University of California, Davis, California 95616, USA.
  • Domier CW; Department of Electrical and Computer Engineering, University of California, Davis, California 95616, USA.
  • Muscatello CM; General Atomics, San Diego, California 92121, USA.
  • Sohrabi M; Department of Electrical and Computer Engineering, University of California, Davis, California 95616, USA.
  • Kaita R; Princeton Plasma Physics Laboratory, Princeton, New Jersey 08540, USA.
  • Ren Y; Princeton Plasma Physics Laboratory, Princeton, New Jersey 08540, USA.
  • Luhmann NC; Department of Electrical and Computer Engineering, University of California, Davis, California 95616, USA.
Rev Sci Instrum ; 87(11): 11E114, 2016 Nov.
Article en En | MEDLINE | ID: mdl-27910494
ABSTRACT
The Far-infrared Tangential Interferometer/Polarimeter (FIReTIP) system has been refurbished and is being reinstalled on the National Spherical Torus Experiment-Upgrade (NSTX-U) to supply real-time line-integrated core electron density measurements for use in the NSTX-U plasma control system (PCS) to facilitate real-time density feedback control of the NSTX-U plasma. Inclusion of a visible light heterodyne interferometer in the FIReTIP system allows for real-time vibration compensation due to movement of an internally mounted retroreflector and the FIReTIP front-end optics. Real-time signal correction is achieved through use of a National Instruments CompactRIO field-programmable gate array.
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Banco de datos: MEDLINE Idioma: En Año: 2016 Tipo del documento: Article
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Banco de datos: MEDLINE Idioma: En Año: 2016 Tipo del documento: Article