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Initial operation of a newly developed multichord motional Stark effect diagnostic in KSTAR

J Chung, J Ko, H Wi, M Messmer, S Schenkelaars, M Scheffer and Roger Jaspers (UGent)
(2016) REVIEW OF SCIENTIFIC INSTRUMENTS. 87(11).
Author
Organization
Abstract
A photo-elastic modulator based 25-chord motional Stark effect (MSE) diagnostic has been successfully developed and commissioned in Korea Superconducting Tokamak Advanced Research. The diagnostic measures the radial magnetic pitch angle profile of the Stark splitting of a D-alpha line at 656.1 nm by the electric field associated with the neutral deuterium heating beam. A tangential view of the neutral beam provides a good spatial resolution of 1-3 cm for covering the major radius from 1.74 m to 2.28 m, and the time resolution is achieved at 10 ms. An in-vessel calibration before the vacuum closing as well as an in situ calibration during the tokamak operation was performed by means of specially designed polarized lighting sources. In this work, we present the final design of the installed MSE diagnostic and the first results of the commissioning. Published by AIP Publishing.

Citation

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MLA
Chung, J., et al. “Initial Operation of a Newly Developed Multichord Motional Stark Effect Diagnostic in KSTAR.” REVIEW OF SCIENTIFIC INSTRUMENTS, vol. 87, no. 11, Amer Inst Physics, 2016, doi:10.1063/1.4955483.
APA
Chung, J., Ko, J., Wi, H., Messmer, M., Schenkelaars, S., Scheffer, M., & Jaspers, R. (2016). Initial operation of a newly developed multichord motional Stark effect diagnostic in KSTAR. REVIEW OF SCIENTIFIC INSTRUMENTS, 87(11). https://doi.org/10.1063/1.4955483
Chicago author-date
Chung, J, J Ko, H Wi, M Messmer, S Schenkelaars, M Scheffer, and Roger Jaspers. 2016. “Initial Operation of a Newly Developed Multichord Motional Stark Effect Diagnostic in KSTAR.” REVIEW OF SCIENTIFIC INSTRUMENTS 87 (11). https://doi.org/10.1063/1.4955483.
Chicago author-date (all authors)
Chung, J, J Ko, H Wi, M Messmer, S Schenkelaars, M Scheffer, and Roger Jaspers. 2016. “Initial Operation of a Newly Developed Multichord Motional Stark Effect Diagnostic in KSTAR.” REVIEW OF SCIENTIFIC INSTRUMENTS 87 (11). doi:10.1063/1.4955483.
Vancouver
1.
Chung J, Ko J, Wi H, Messmer M, Schenkelaars S, Scheffer M, et al. Initial operation of a newly developed multichord motional Stark effect diagnostic in KSTAR. REVIEW OF SCIENTIFIC INSTRUMENTS. 2016;87(11).
IEEE
[1]
J. Chung et al., “Initial operation of a newly developed multichord motional Stark effect diagnostic in KSTAR,” REVIEW OF SCIENTIFIC INSTRUMENTS, vol. 87, no. 11, 2016.
@article{8517510,
  abstract     = {{A photo-elastic modulator based 25-chord motional Stark effect (MSE) diagnostic has been successfully developed and commissioned in Korea Superconducting Tokamak Advanced Research. The diagnostic measures the radial magnetic pitch angle profile of the Stark splitting of a D-alpha line at 656.1 nm by the electric field associated with the neutral deuterium heating beam. A tangential view of the neutral beam provides a good spatial resolution of 1-3 cm for covering the major radius from 1.74 m to 2.28 m, and the time resolution is achieved at 10 ms. An in-vessel calibration before the vacuum closing as well as an in situ calibration during the tokamak operation was performed by means of specially designed polarized lighting sources. In this work, we present the final design of the installed MSE diagnostic and the first results of the commissioning. Published by AIP Publishing.}},
  articleno    = {{11E503}},
  author       = {{Chung, J and Ko, J and Wi, H and Messmer, M and Schenkelaars, S and Scheffer, M and Jaspers, Roger}},
  issn         = {{0034-6748}},
  journal      = {{REVIEW OF SCIENTIFIC INSTRUMENTS}},
  language     = {{eng}},
  location     = {{Madison, WI}},
  number       = {{11}},
  pages        = {{3}},
  publisher    = {{Amer Inst Physics}},
  title        = {{Initial operation of a newly developed multichord motional Stark effect diagnostic in KSTAR}},
  url          = {{http://doi.org/10.1063/1.4955483}},
  volume       = {{87}},
  year         = {{2016}},
}
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