Development of multichord ion Doppler spectroscopy system for toroidal flow measurement of field-reversed configuration

A double-chord ion Doppler spectroscopy (IDS) system was developed to measure the ion temperature and flow velocity of field-reversed configuration (FRC) plasmas in the FRC amplification via a translation-collisional merging (FAT-CM) device. Adopting a Czerny–Turner mount monochromator and 16-channe...

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Veröffentlicht in:Review of scientific instruments 2022-12, Vol.93 (12), p.123512-123512
Hauptverfasser: Araoka, K., Asai, T., Kobayashi, D., Seki, T., Takahashi, T., Morelli, J., Gota, H.
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Sprache:eng
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Zusammenfassung:A double-chord ion Doppler spectroscopy (IDS) system was developed to measure the ion temperature and flow velocity of field-reversed configuration (FRC) plasmas in the FRC amplification via a translation-collisional merging (FAT-CM) device. Adopting a Czerny–Turner mount monochromator and 16-channel photomultiplier tube array, the developed IDS system achieves high wavelength resolution and fast time response. In addition, two vertically aligned optical paths share the optical system up to the monochromator and then branch just before the detector, successfully reducing crosstalk to
ISSN:0034-6748
1089-7623
DOI:10.1063/5.0101878