Vacuum-Ultraviolet spectrometer system for impurity emission measurement on a Compact Torus Injection System of EAST
Yongcai Shen,
Yufan Niu,
Defeng Kong
et al.
Abstract:Recently, a compact torus injection (CTI) system was
developed for central fueling on experimental advanced
superconducting tokamak (EAST). As impurity generated by the
interaction between CTI plasma and the electrode material can dilute
the fuel particle, it is important to measure impurity content in
CTI and evaluate the effect of impurity on the plasma before the
application of CTI to EAST. A vacuum-ultraviolet (VUV) spectrometer
that utilizes a concave holographic grating with
1200 groove m… Show more
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