The co-located arrangement of ECEI and MIR microwave imaging diagnostics on EAST tokamak

Abstract The co-located configuration of Passive Electron Cyclotron Emission Imaging (ECEI) and active Microwave Imaging Reflectometry (MIR) diagnostics systems has been successfully implemented on the EAST fusion reactor. These advanced 2D microwave diagnostic tools offer 10–20 mm poloidal spatial...

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Bibliographic Details
Published in:Journal of instrumentation 2023-10, Vol.18 (10), p.C10018
Main Authors: Qu, C.M., Xie, J.L., Zhu, Y.L., Xu, X.H., Zhang, L.F., Li, Z.H., Zhuang, G., Liu, W.D.
Format: Article
Language:English
Subjects:
Cyclotrons
Electron energy
Fusion reactors
Imaging
Plasma density
Plasma diagnostics - interferometry, spectroscopy and imaging
Plasma diagnostics - probes
Quasi-optics
Spatial resolution
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Summary:Abstract The co-located configuration of Passive Electron Cyclotron Emission Imaging (ECEI) and active Microwave Imaging Reflectometry (MIR) diagnostics systems has been successfully implemented on the EAST fusion reactor. These advanced 2D microwave diagnostic tools offer 10–20 mm poloidal spatial resolution through large aperture quasi optics. This arrangement not only optimizes the utilization of limited observation windows but also facilitates concurrent measurements of plasma density and electron temperature at specific toroidal positions. This co-located setup holds great promise for enhancing research into electron heat transport and other pivotal plasma phenomena.
ISSN:1748-0221
1748-0221
DOI:10.1088/1748-0221/18/10/C10018