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HCN Laser Interferometer on the EAST Superconducting Tokamak

Plasma Science and Technology, 2008
A single-channel far-infrared (FIR) laser interferometer was developed to measure the line averaged electron density on the EAST tokamak. The structure of the single-channel FIR laser interferometer is described in detail. The evolution of density sawtooth oscillation was measured by means the FIR laser interferometer, and was identified by electron ...
Xu Qiang +6 more
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Electron Cyclotron Emission Imaging on the EAST Tokamak

Plasma Science and Technology, 2011
An upgraded electron cyclotron emission imaging (ECEI) system consisting of new optics lenses with necessary electronics for receiving and processing signals for two dimension (2D) ECEI diagnostics was installed on EAST. Hyperboloid lens were adopted in the new system to optimize the spatial resolutions.
Ming Xu +12 more
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Operational region and sawteeth oscillation in the EAST tokamak

Plasma Physics and Controlled Fusion, 2007
The first plasma discharges were successfully achieved on the experimental advanced superconducting tokamak (EAST) in 2006. The sawteeth behaviours were observed by means of soft x-ray diagnostics and ECE signals in the EAST. The displacement and radius of the q = 1 surface was studied and compared with the result of equilibrium calculation.
H Q Liu +31 more
openaire +1 more source

Optimal Shaping of the Safety Factor Profile in the EAST Tokamak