Development of a High Resolution X-Ray Imaging Crystal Spectrometer for Measurement of Ion-Temperature and Rotation-Velocity Profiles in Fusion Energy Research Plasmas

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概要

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• A new imaging high resolution x-ray crystal spectrometer (XCS) has been developed to measure continuous profiles of ion temperature and rotation velocity in fusion plasmas. Following proof-of-principle tests on the Alcator C-Mod tokamak and the NSTX spherical tokamak, and successful testing of a new silicon, pixilated detector with 1 MHz count rate capability per pixel, an imaging XCS is being designed to measure full profiles of Ti and vφ on C-Mod. The imaging XCS design has also been adopted for ITER. Ion-temperature uncertainty and minimum measurable rotation velocity are calculated for the C-Mod spectrometer. The affects of x-ray and nuclear-radiation background on the measurement uncertainties are calculated to predict performance on ITER.

著者

• Bitter M.

  Princeton University

• Hill K.

  Princeton University

• BITTER M.

  Princeton University Plasma Physics Laboratory, Princeton, NJ, USA

• BROENNIMANN Ch.

  SLS, Paul Scherrer Institute, Villigen, Switzerland

• EIKENBERRY E.

  SLS, Paul Scherrer Institute, Villigen, Switzerland

• Ince-CUSHMAN A.

  PSFC, MIT, Cambridge, MA, USA

• LEE S.G.

  NFRC, Korea Basic Science Institute, Daejeon, Korea

• RICE J.E.

  PSFC, MIT, Cambridge, MA, USA

• SCOTT S.

  Princeton University Plasma Physics Laboratory, Princeton, NJ, USA

• BARNSLEY R.

  Queen's University Belfast and EFDA/JET

• BARNSLEY R.

  Queen's University Belfast and EFDA/JET

• HILL K.

  Princeton University Plasma Physics Laboratory, Princeton, NJ, USA

関連論文

• Status and Plans for the National Spherical Torus Experimental Research Facility
• Development of a High Resolution X-Ray Imaging Crystal Spectrometer for Measurement of Ion-Temperature and Rotation-Velocity Profiles in Fusion Energy Research Plasmas

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