A space-resolved extreme ultraviolet (EUV) spectrometer has been used to observe the
spatial distribution and temporal behavior of core impurity emissions at the experimental …

A flat-field extreme ultraviolet (EUV) spectrometer, which covers a wavelength range of 5–
50nm, has been developed for the experimental advanced superconducting tokamak …

A flat-field extreme ultraviolet (EUV) spectrometer working in the 20-500 Å wavelength range
with fast time response has been newly developed to measure line emissions from highly …

Two pairs of space-resolved extreme ultraviolet (EUV) spectrometers working at 5–138 Å
with different vertical observation ranges of− 7≤ Z≤ 19 and− 18≤ Z≤ 8 cm have been …

Extreme ultraviolet (EUV) spectra emitted from iron and copper ions in a range of 8–500 Å
and molybdenum ions in a range of 8–400 Å were measured in Experimental Advanced …

High-Z impurity accumulation suppression and mitigation in core plasma is frequently
observed in EAST edge localized mode mitigation experiments by using resonant magnetic …

Extreme ultraviolet (EUV) spectra emitted from low-Z impurity ions in the wavelength range
of 10–500 Å were observed in Experimental Advanced Superconducting Tokamak (EAST) …

The dominant wavelength range of edge impurity emissions moves from the visible range to
the vacuum ultraviolet (VUV) range, as heating power increasing in the Experimental …

Impurities degrade tokamak plasma confinement by causing energy loss, diluting fuel
concentration, and even terminating discharge in some extreme cases. Previously, the …

Spectroscopy plays an essential role in plasma diagnostics of magnetically confined fusion
research [1]. In particular, impurity diagnostics is very important in studying energy balance …