A New Method for Measurements of the Poloidal Rotation Velocities and Wavelength Calibration of X-ray Imaging Crystal Spectrometer in Magnetic Fusion Devices

SHI Yuejiang (石跃江); LYU Bo (吕波); WANG Fudi (王福地); M. BITTER; K. W. HILL; YE Minyou (叶民友)

doi:10.1088/1009-0630/17/4/01

Plasma Science and Technology > 2015 > 17(4): 265-267. > DOI: 10.1088/1009-0630/17/4/01

SHI Yuejiang (石跃江), LYU Bo (吕波), WANG Fudi (王福地), M. BITTER, K. W. HILL, YE Minyou (叶民友). A New Method for Measurements of the Poloidal Rotation Velocities and Wavelength Calibration of X-ray Imaging Crystal Spectrometer in Magnetic Fusion Devices[J]. Plasma Science and Technology, 2015, 17(4): 265-267. DOI: 10.1088/1009-0630/17/4/01

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A New Method for Measurements of the Poloidal Rotation Velocities and Wavelength Calibration of X-ray Imaging Crystal Spectrometer in Magnetic Fusion Devices

1 University of Science and Technology of China, Hefei 230026, China 2 Institute of Plasma Physics, Chinese Academy of Sciences, Hefei 230031, China 3 Princeton Plasma Physics Laboratory, Princeton, New Jersey 08543, USA

Funds: supported by National Natural Science Foundation of China (Nos. 11175208, 11305212 and 11405212), the National Magnetic Confinement Fusion Science Program of China (No. 2013GB112004), and JSPS-NRF-NSFC A3 Foresight Program in the Field of Plasma Physics (No. 11261140328)

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Received Date: December 02, 2014

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Abstract

Abstract

A new simple method is presented for the wavelength calibration and measurement of poloidal rotation velocities with X-ray imaging crystal spectrometer (XICS) in magnetic fusion devices. In this method, the toroidal rotation of plasma is applied for high precise alignment and wavelength calibration of the poloidal XICS. The measurement threshold of poloidal rotation velocity can be lowered to 1-3 km/s with this method.
- X-ray imaging crystal spectrometer,
- wavelength calibration,
- poloidal rotation velocity

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