A synthetic diagnostic for beam emission spectroscopy in the helically symmetric experiment stellarator
Abstract
The Helically Symmetric Experiment (HSX) has a number of active spectroscopy diagnostics. Due to the relatively large beam width compared to the plasma minor radius, it is difficult to achieve good spatial resolution at the core of the HSX plasma. This is due to the fact that the optical sightline cuts through many flux surfaces with varying field vectors within the beam. It is important to accurately model the beam width effects in order to compare the experimental results with theoretical models. We've developed a synthetic diagnostic for this purpose. This synthetic diagnostic calculates the effect of spot size and beam width on the measurements of quantities of interest, including radial electric field, flow velocity, and Stark polarization.
- Authors:
-
- Univ. of Wisconsin, Madison, WI (United States). Dept. of Electrical and Computer Engineering and HSX Plasma Lab.
- Publication Date:
- Research Org.:
- Univ. of Wisconsin, Madison, WI (United States). Dept. of Electrical and Computer Engineering
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1287267
- Grant/Contract Number:
- FG02-93ER54222
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Review of Scientific Instruments
- Additional Journal Information:
- Journal Volume: 87; Journal Issue: 11; Conference: 21st Topical Conference on High-Temperature Plasma Diagnostics, Madison, Wisconsin, USA, June 2016; Journal ID: ISSN 0034-6748
- Publisher:
- American Institute of Physics (AIP)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 70 PLASMA PHYSICS AND FUSION TECHNOLOGY; HSX
Citation Formats
Dobbins, T. J., Kumar, S. T. A., and Anderson, D. T. A synthetic diagnostic for beam emission spectroscopy in the helically symmetric experiment stellarator. United States: N. p., 2016.
Web. doi:10.1063/1.4960068.
Dobbins, T. J., Kumar, S. T. A., & Anderson, D. T. A synthetic diagnostic for beam emission spectroscopy in the helically symmetric experiment stellarator. United States. https://doi.org/10.1063/1.4960068
Dobbins, T. J., Kumar, S. T. A., and Anderson, D. T. Wed .
"A synthetic diagnostic for beam emission spectroscopy in the helically symmetric experiment stellarator". United States. https://doi.org/10.1063/1.4960068. https://www.osti.gov/servlets/purl/1287267.
@article{osti_1287267,
title = {A synthetic diagnostic for beam emission spectroscopy in the helically symmetric experiment stellarator},
author = {Dobbins, T. J. and Kumar, S. T. A. and Anderson, D. T.},
abstractNote = {The Helically Symmetric Experiment (HSX) has a number of active spectroscopy diagnostics. Due to the relatively large beam width compared to the plasma minor radius, it is difficult to achieve good spatial resolution at the core of the HSX plasma. This is due to the fact that the optical sightline cuts through many flux surfaces with varying field vectors within the beam. It is important to accurately model the beam width effects in order to compare the experimental results with theoretical models. We've developed a synthetic diagnostic for this purpose. This synthetic diagnostic calculates the effect of spot size and beam width on the measurements of quantities of interest, including radial electric field, flow velocity, and Stark polarization.},
doi = {10.1063/1.4960068},
journal = {Review of Scientific Instruments},
number = 11,
volume = 87,
place = {United States},
year = {Wed Aug 03 00:00:00 EDT 2016},
month = {Wed Aug 03 00:00:00 EDT 2016}
}
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Works referencing / citing this record:
Radial electric field and ion parallel flow in the quasi-symmetric and Mirror configurations of HSX
journal, March 2018
- Kumar, S. T. A.; Dobbins, T. J.; Talmadge, J. N.
- Plasma Physics and Controlled Fusion, Vol. 60, Issue 5