Bulletin of the American Physical Society
60th Annual Meeting of the APS Division of Plasma Physics
Volume 63, Number 11
Monday–Friday, November 5–9, 2018; Portland, Oregon
Session TP11: Poster Session VII: Basic Plasma Physics: Pure Electron Plasma, Strongly Coupled Plasmas, Self-Organization, Elementary Processes, Dusty Plasmas, Sheaths, Shocks, and Sources; Mini-conference on Nonlinear Waves and Processes in Space Plasmas - Posters; MHD and Stability, Transients (2), Runaway Electrons; NSTX-U; Spherical Tokamaks; Analytical and Computational Techniques; Diagnostics (9:30am-12:30pm)
Thursday, November 8, 2018
OCC
Room: Exhibit Hall A1&A
Abstract ID: BAPS.2018.DPP.TP11.150
Abstract: TP11.00150 : Electron Cyclotron Emission Imaging (ECEI) System for the J-TEXT Tokamak*
Presenter:
Calvin W Domier
(UC Davis)
Authors:
Calvin W Domier
(UC Davis)
Jinhua Cao
(UC Davis)
Guanying Yu
(UC Davis)
Yilun Zhu
(UC Davis)
Xiaoming Pan
(Huazhong University of Science and Technology)
Zhoujun Yang
(Huazhong University of Science and Technology)
N.C. Luhmann, Jr.
(UC Davis)
A dual array Electron Cyclotron Emission Imaging (ECEI) system is being developed for the J-TEXT tokamak in Wuhan, China. Each 16-element array (expandable to 20 element) provides 2-D 16x8 time-resolved images of Te profiles and fluctuations over extended regions of the J-TEXT plasma. Unique to the J-TEXT ECEI system is an electronics architecture that takes full advantage of the capabilities of PXI multifunction I/O modules which not only provide simultaneous 16-bit 2 MS/s sampling of the ECEI data, but also provide digital I/O signals that are used to remotely control individual RF channel attenuations. These are coupled with Arduino-based controllers which provide remote control of RF channel spacings (selectable between 0.8, 1.0 and 1.3 GHz) and video bandwidths. Details of this ECEI system are presented.
*This work was supported in part by U.S. DOE Grant DE-FG02-99ER54531, and by HUST.
To cite this abstract, use the following reference: http://meetings.aps.org/link/BAPS.2018.DPP.TP11.150
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