Page 9 - MHD Mode Identification by Higher Order Singular Value Decomposition in C-2W
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Critical Density and Temperature Measurements
Interferometer/Polarimeter
§ Primary density diagnostic § Far-Infrared (FIR) interferometer
§ 14 chords at 433μm, 8 cm spacing
§ Sensitivity of 1016 m-2 @ > 1 MHz BW
§ Wide range of Plasma Modes observed § Real-time alignment in development
CV Thomson Scattering
§ New Nd:YAG laser with two modes:
FIR Interferometer
TS Beamline
Presenter: Thomas Roche – HTPD2020 Conference
§ §
§ 30 pulses at 1kHz, ≥ 2 J / pulse
§ 6 pulses 10-20 kHz, ≥ 2 J / pulse
Scattered light collection at 16 points spread between the core and SOL.
Up to 480 Te measurements per shot.
B.H. Deng et al., Rev. Sci. Instrum. 89, 10B109 (2018)
K. Zhai et al., Rev. Sci. Instrum.
89, 10C118 (2018)
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