Initial operation and data processing on a system for real-time evaluation of Thomson scattering signals on the Large Helical Device

K. C. Hammond; F. M. Laggner; A. Diallo; S. Doskoczynski; C. Freeman; H. Funaba; D. A. Gates; R. Rozenblat; G. Tchilinguirian; Z. Xing; I. Yamada; R. Yasuhara; G. Zimmer; E. Kolemen

doi:10.1063/5.0041507

Initial operation and data processing on a system for real-time evaluation of Thomson scattering signals on the Large Helical Device

K. C. Hammond, F. M. Laggner, A. Diallo, S. Doskoczynski, C. Freeman, H. Funaba, D. A. Gates, R. Rozenblat, G. Tchilinguirian, Z. Xing, I. Yamada, R. Yasuhara, G. Zimmer, E. Kolemen

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4 Scopus citations

Abstract

A scalable system for real-time analysis of electron temperature and density based on signals from the Thomson scattering diagnostic, initially developed for and installed on the NSTX-U experiment, was recently adapted for the Large Helical Device and operated for the first time during plasma discharges. During its initial operation run, it routinely recorded and processed signals for four spatial points at the laser repetition rate of 30 Hz, well within the system’s rated capability for 60 Hz. We present examples of data collected from this initial run and describe subsequent adaptations to the analysis code to improve the fidelity of the temperature calculations.

Original language	English (US)
Article number	063523
Journal	Review of Scientific Instruments
Volume	92
Issue number	6
DOIs	https://doi.org/10.1063/5.0041507
State	Published - Jun 1 2021

All Science Journal Classification (ASJC) codes

Instrumentation

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10.1063/5.0041507

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Hammond, K. C., Laggner, F. M., Diallo, A., Doskoczynski, S., Freeman, C., Funaba, H., Gates, D. A., Rozenblat, R., Tchilinguirian, G., Xing, Z., Yamada, I., Yasuhara, R., Zimmer, G., & Kolemen, E. (2021). Initial operation and data processing on a system for real-time evaluation of Thomson scattering signals on the Large Helical Device. Review of Scientific Instruments, 92(6), Article 063523. https://doi.org/10.1063/5.0041507

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title = "Initial operation and data processing on a system for real-time evaluation of Thomson scattering signals on the Large Helical Device",

abstract = "A scalable system for real-time analysis of electron temperature and density based on signals from the Thomson scattering diagnostic, initially developed for and installed on the NSTX-U experiment, was recently adapted for the Large Helical Device and operated for the first time during plasma discharges. During its initial operation run, it routinely recorded and processed signals for four spatial points at the laser repetition rate of 30 Hz, well within the system{\textquoteright}s rated capability for 60 Hz. We present examples of data collected from this initial run and describe subsequent adaptations to the analysis code to improve the fidelity of the temperature calculations.",

author = "Hammond, {K. C.} and Laggner, {F. M.} and A. Diallo and S. Doskoczynski and C. Freeman and H. Funaba and Gates, {D. A.} and R. Rozenblat and G. Tchilinguirian and Z. Xing and I. Yamada and R. Yasuhara and G. Zimmer and E. Kolemen",

note = "Publisher Copyright: {\textcopyright} 2021 Government.",

year = "2021",

month = jun,

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doi = "10.1063/5.0041507",

language = "English (US)",

volume = "92",

journal = "Review of Scientific Instruments",

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Hammond, KC, Laggner, FM, Diallo, A, Doskoczynski, S, Freeman, C, Funaba, H, Gates, DA, Rozenblat, R, Tchilinguirian, G, Xing, Z, Yamada, I, Yasuhara, R, Zimmer, G & Kolemen, E 2021, 'Initial operation and data processing on a system for real-time evaluation of Thomson scattering signals on the Large Helical Device', Review of Scientific Instruments, vol. 92, no. 6, 063523. https://doi.org/10.1063/5.0041507

TY - JOUR

T1 - Initial operation and data processing on a system for real-time evaluation of Thomson scattering signals on the Large Helical Device

AU - Hammond, K. C.

AU - Laggner, F. M.

AU - Diallo, A.

AU - Doskoczynski, S.

AU - Freeman, C.

AU - Funaba, H.

AU - Gates, D. A.

AU - Rozenblat, R.

AU - Tchilinguirian, G.

AU - Xing, Z.

AU - Yamada, I.

AU - Yasuhara, R.

AU - Zimmer, G.

AU - Kolemen, E.

PY - 2021/6/1

Y1 - 2021/6/1

N2 - A scalable system for real-time analysis of electron temperature and density based on signals from the Thomson scattering diagnostic, initially developed for and installed on the NSTX-U experiment, was recently adapted for the Large Helical Device and operated for the first time during plasma discharges. During its initial operation run, it routinely recorded and processed signals for four spatial points at the laser repetition rate of 30 Hz, well within the system’s rated capability for 60 Hz. We present examples of data collected from this initial run and describe subsequent adaptations to the analysis code to improve the fidelity of the temperature calculations.

AB - A scalable system for real-time analysis of electron temperature and density based on signals from the Thomson scattering diagnostic, initially developed for and installed on the NSTX-U experiment, was recently adapted for the Large Helical Device and operated for the first time during plasma discharges. During its initial operation run, it routinely recorded and processed signals for four spatial points at the laser repetition rate of 30 Hz, well within the system’s rated capability for 60 Hz. We present examples of data collected from this initial run and describe subsequent adaptations to the analysis code to improve the fidelity of the temperature calculations.

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ER -

Initial operation and data processing on a system for real-time evaluation of Thomson scattering signals on the Large Helical Device

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