Journal article
Design study of a combined interferometer and polarimeter for a high-field, compact tokamak
Physics of plasmas, Vol.27(4), 042516
04/01/2020
DOI: 10.1063/1.5142638
Abstract
This article is the first design study of a combined interferometer and polarimeter on a compact, high-field, high-density, net-energy tokamak. Recent advances in superconducting technology have made possible designs for compact, high magnetic field fusion power plants, such as ARC [Sorbom et al., Fusion Eng. Des. 100, 378 (2015)], and experiments, such as SPARC [Greenwald et al., PSFC Report No. RR-18-2 (2018)]. These new designs create both challenges and opportunities for plasma diagnostics. The diagnostic proposed in this work, called InterPol, takes advantage of unique opportunities provided by high magnetic field and density to measure both line-averaged density and poloidal magnetic field with a single set of CO2 and quantum cascade lasers. These measurements will be used for fast density feedback control, constraint of density and safety factor profiles, and density fluctuation measurements. Synthetic diagnostic testing using a model machine geometry, called MQ1 (Mission Q
>= 1), and profiles simulated with Tokamak Simulation Code indicate that InterPol will be able to measure steady state density and poloidal magnetic field, as well as fluctuations caused by toroidal Alfven eigenmodes and other phenomena on a high-field compact tokamak. (C) 2020 Author(s). All article content, except where otherwise noted, is licensed under a Creative Commons Attribution (CC BY) license (http:// creativecommons.org/licenses/by/4.0/).
Details
- Title: Subtitle
- Design study of a combined interferometer and polarimeter for a high-field, compact tokamak
- Creators
- Alexander J. Creely - Massachusetts Institute of TechnologyLucio M. Milanese - Massachusetts Institute of TechnologyElizabeth A. Tolman - Massachusetts Institute of TechnologyJames H. Irby - Massachusetts Institute of TechnologySean B. Ballinger - Massachusetts Institute of TechnologySamuel Frank - Massachusetts Institute of TechnologyAdam Q. Kuang - Massachusetts Institute of TechnologyBryan L. Linehan - Massachusetts Institute of TechnologyWilliam McCarthy - Massachusetts Institute of TechnologyKevin J. Montes - Massachusetts Institute of TechnologyTheodore Mouratidis - Massachusetts Institute of TechnologyJulian F. Picard - Massachusetts Institute of TechnologyPablo Rodriguez-Fernandez - Massachusetts Institute of TechnologyAaron M. Rosenthal - Massachusetts Institute of TechnologyAlexander J. Sandberg - Massachusetts Institute of TechnologyFrancesco Sciortino - Massachusetts Institute of TechnologyRaspberry A. Simpson - Massachusetts Institute of TechnologyR. Alexander Tinguely - Massachusetts Institute of TechnologyMuni Zhou - Massachusetts Institute of TechnologyAnne E. White - Massachusetts Institute of Technology
- Resource Type
- Journal article
- Publication Details
- Physics of plasmas, Vol.27(4), 042516
- DOI
- 10.1063/1.5142638
- ISSN
- 1070-664X
- eISSN
- 1089-7674
- Publisher
- AIP Publishing
- Number of pages
- 9
- Grant note
- U.S. DoD; United States Department of Defense 32 CFR 168a / Air Force Office of Scientific Research under the National Defense Science and Engineering Graduate (NDSEG) Fellowship; United States Department of Defense; Air Force Office of Scientific Research (AFOSR) DE-FG02-91ER54109 / DoE; United States Department of Energy (DOE) Massachusetts Institute of Technology, Department of Nuclear Science and Engineering DGE-1122374 / National Science Foundation Graduate Research Fellowship; National Science Foundation (NSF)
- Language
- English
- Date published
- 04/01/2020
- Academic Unit
- Physics and Astronomy
- Record Identifier
- 9985113641202771
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