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Ion and mode rotation in the EXTRAP T2R device during discharges with and without the application of feedback control
KTH, School of Engineering Sciences (SCI), Physics, Atomic and Molecular Physics.
KTH, School of Electrical Engineering (EES), Centres, Alfvén Laboratory Centre for Space and Fusion Plasma Physics.
KTH, School of Engineering Sciences (SCI), Physics, Atomic and Molecular Physics.
KTH, School of Engineering Sciences (SCI), Physics, Atomic and Molecular Physics.ORCID iD: 0000-0001-7389-5501
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2005 (English)Conference paper, Published paper (Refereed)
Place, publisher, year, edition, pages
2005. 1650-1653 p.
Series
Europhysics Conference Abstracts, 29C
National Category
Atom and Molecular Physics and Optics
Identifiers
URN: urn:nbn:se:kth:diva-8960Scopus ID: 2-s2.0-84873366278ISBN: 978-162276332-0 (print)OAI: oai:DiVA.org:kth-8960DiVA: diva2:14468
Conference
32nd European Physical Society Conference on Plasma Physics and Controlled Fusion combined with the 8th International Workshop on Fast Ignition of Fusion Targets; Tarragona; Spain; 27 June 2005 through 1 July 2005
Note

QC 20101207

Available from: 2005-12-23 Created: 2005-12-23 Last updated: 2014-09-24Bibliographically approved
In thesis
1. Radial profiling using local and line integrated spectroscopic measurements
Open this publication in new window or tab >>Radial profiling using local and line integrated spectroscopic measurements
2005 (English)Licentiate thesis, comprehensive summary (Other scientific)
Place, publisher, year, edition, pages
Stockholm: KTH, 2005. xiv, 34 p.
Series
Trita-FYS, ISSN 0280-316X ; 2005:25
Keyword
Atomic and molecular physics, Atom- och molekylfysik
National Category
Atom and Molecular Physics and Optics
Identifiers
urn:nbn:se:kth:diva-346 (URN)91-7178-047-5 (ISBN)
Presentation
2005-05-20, Sal FB51, AlbaNova, Roslagstullbacken 21, Stockholm, 10:00
Supervisors
Note
QC 20101207Available from: 2005-08-01 Created: 2005-08-01 Last updated: 2010-12-07Bibliographically approved
2. Visible spectroscopy as a sensitive diagnostic tool for fusion plasmas
Open this publication in new window or tab >>Visible spectroscopy as a sensitive diagnostic tool for fusion plasmas
2005 (English)Licentiate thesis, comprehensive summary (Other scientific)
Abstract [en]

To further the understanding and knowledge about fusion plasmas and their behaviour during different conditions, it is important to be able to collect information about the plasma and the processes occurring within it. Visible spectroscopy, or the study of the visible wavelength light emitted by the plasma, is a useful tool in this search for knowledge.

This thesis is based on experiments where visible wavelength light has been measured and analysed in order to determine quantities about the emitting source. Doppler shift measurements of spectral lines have been utilised to determine the toroidal rotation velocities of plasma impurity ions and to study the correlation with mode rotation and the effect of active feedback control of the resistive wall modes. Information on the impurities present in the plasma has been determined and the calibrated intensities of spectral lines has yielded impurity concentrations, particle fluxes and electron temperature and densities. Ion temperatures have been determined from Doppler broadening measurements.

The measured vibrational and rotational band structure of deuterium molecular spectra has been analysed in order to calculate rotational and vibrational temperatures, relative populations and molecular particle fluxes. The effect of the molecular flux on simple calculations of atomic flux has also been studied. Specific molecular states and transitions of deuterium have also been probed with synchrotron radiation to study the level and transition energies.

The measurement and analysis of visible wavelength light has been demonstrated to be a sensitive diagnostic tool in the quest for increased knowledge about fusion plasmas and molecular structure.

Place, publisher, year, edition, pages
Stockholm: KTH, 2005. 29 p.
Series
Trita-FYS, ISSN 0280-316X ; 2005:64
National Category
Atom and Molecular Physics and Optics
Identifiers
urn:nbn:se:kth:diva-572 (URN)91-7178-222-2 (ISBN)
Presentation
2005-12-06, Sal FA31, AlbaNova, Roslagstullsbacken 21, Stockholm, 10:15 (English)
Opponent
Supervisors
Note
QC 20101215Available from: 2005-12-23 Created: 2005-12-23 Last updated: 2010-12-15Bibliographically approved

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Rachlew, ElisabethBrunsell, Per

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