4 papers
Simulation and analysis of a high-k electron scale turbulence diagnostic for MAST-U
David C. Speirs, Juan Ruiz-Ruiz, Maurizio Giacomin +7
Plasma turbulence on disparate spatial and temporal scales plays a key role in defining the level of confinement achievable in tokamaks, with the development of reduced numerical m…
Beam focusing and consequences for Doppler Backscattering measurements
Juan Ruiz Ruiz, Felix I. Parra, Valerian H. Hall-Chen +5
The phenomenon of beam focusing of microwaves in a plasma near a turning-point caustic is discussed in the context of the analytical solution to the Gaussian beam-tracing equations…
Using Convolutional Neural Networks to detect Edge Localized Modes in DIII-D from Doppler Backscattering measurements
N. Q. X. Teo, V. H. Hall-Chen, K. Barada +6
In H-mode tokamak plasmas, the plasma is sometimes ejected beyond the edge transport barrier. These events are known as edge localized modes (ELMs). ELMs cause a loss of energy and…
First data and preliminary experimental results from a new Doppler Backscattering system on the MAST-U spherical tokamak
P. Shi, R. Scannell, J. Wen +7
A new Doppler backscattering (DBS) system, consisting of Q-band and V-band, has been installed and achieved its first data on the MAST-U spherical tokamak. The Q-band and V-band ha…