A single-channel far-infrared(FIR)laser interferometer was developed to measurethe line averaged electron density on the EAST tokamak.The structure of the sing
A distribution of the magnetic field produced by permanent magnets in the DNBion source is calculated and analyzed in order to understand the plasma confinemen
Thomson scattering diagnostic is important for measuring electron temperature and density profiles.To improve the signal-to-noise ratio,a silicon avalanche pho