Diagnostics
Most diagnostics systems will be installed from the initial operation of JT-60SA. A large fraction of the present diagnostics system in JT-60U will be reused, after modifications in order to fit the new machine.
Essential actuators and sensors for plasma control must be operational for a plasma pulse to be launched.
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Machine Protection and Operation |
Fundamental Parameter Measurement |
Physics Understanding |
235U 238U neutron monitor |
YAG laster Thomson scattering |
Soft X-ray detector arrray |
Neutron activation measurement |
Tangential and vertical CO2 laser interferometer/polarimeter |
Neutron profile monitor, 14 MeV neutron detector, neutron spectrometer |
Visible TV camera |
ECE (FTS, GP, HR) |
Li-beam probe |
Da emission monitor |
CXRS (toroidal and poloidal) |
Reflectometer |
Divertor Langmuir probe |
Zeff monitor |
Reciprocating Mach probe |
IRTV camera (divertor, first wall) |
VUV spectrometer |
Visible spectrometer for divertor |
Utility system for diagnostics |
MSE polarimeter |
Neutral gas pressure gauge |
Data acquisition system |
Bolometer (main and divertor) |
VUV spectrometer for divertor |
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