Stefan Kragh Nielsen

Stefan Kragh Nielsen

Senior Scientist

DTU PHYSICS
Department of Physics

Technical University of Denmark

Fysikvej

Building 309, room 145

2800 Kgs. Lyngby

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2019
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Design and development of the ITER CTS diagnostic

Korsholm, Søren Bang ; Gonçalves, Bruno ; Gutierrez, Heidi E. ; Henriques, Elsa ; Infante, Virginia ; Jensen, Thomas ; Jessen, Martin ; Klinkby, Esben Bryndt ; Larsen, Axel Wright ; Leipold, Frank ; Lopes, André ; Luis, Raul ; Naulin, Volker ; Nielsen, Stefan K. ; Nonbøl, Erik ; Rasmussen, Jesper ; Salewski, Mirko ; Stejner, Morten ; Taormina, Arianna ; Vale, Alberto ; Vidal, Catarina ; Sanchez, Laura ; Ballester, Raul M. ; Udintsev, Victor
in: EPJ Web of Conferences, vol: 203
Presented at:
20th Joint Workshop on Electron Cyclotron Emission and Electron Cyclotron Resonance Heating

Type: Conference article (Peer reviewed)

Status: Published     |    Year: 2019     |    DOI: https://doi.org/10.1051/epjconf/201920303002

 

Diagnostic of fast-ion energy spectra and densities in magnetized plasmas

Salewski, Mirko ; Nocente, M. ; Madsen, Birgitte ; Abramovic, I. ; Gorini, G. ; Jacobsen, A. S. ; Kiptily, V. ; Korsholm, Søren Bang ; Moseev, Dmitry ; Nielsen, Stefan Kragh ; Poulsen, Andreas Feldt Lomholt ; Rasmussen, Jesper ; Tardocchi, M. ; Geiger, B. ; Eriksson, J. ; ,
in: Journal of Instrumentation, vol: 14
Presented at:
5th International Conference Frontiers in Diagnostcs Technologies

Type: Conference article (Peer reviewed)

Status: Published     |    Year: 2019     |    DOI: https://doi.org/10.1088/1748-0221/14/05/C05019

 

Mitigation of EC breakdown in the gyrotron transmission line of the ITER Collective Thomson Scattering diagnostic via a Split Biased Waveguide

Larsen, A. W. ; Korsholm, S. B. ; Gonçalves, B. ; Gutierrez, H. E. ; Henriques, E. ; Infante, V. ; Jensen, T. ; Jessen, M. ; Klinkby, Esben Bryndt ; Nonbøl, Erik ; Luis, R. ; Vale, A. ; Lopes, A. ; Naulin, Volker ; Nielsen, S.K. ; Salewski, Mirko ; Rasmussen, J. ; Taormina, A. ; Møllsøe, Claus ; Mussenbrock, T. ; Trieschmann, J.
in: Journal of Instrumentation, vol: 14, issue: 11
Presented at:
3rd European Conference on Plasma Diagnostics

Type: Conference article (Peer reviewed)

Status: Published     |    Year: 2019     |    DOI: https://doi.org/10.1088/1748-0221/14/11/c11009

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Observation and Modelling of the Onset of Parametric Decay Instabilities during Gyrotron Operation at ASDEX Upgrade

, ; Hansen, S. K. ; Nielsen, S. K. ; Stober, J. ; Rasmussen, J. ; Stejner, M.
in: EPJ Web of Conferences, vol: 203
Presented at:
20th Joint Workshop on Electron Cyclotron Emission and Electron Cyclotron Resonance Heating

Type: Conference article (Peer reviewed)

Status: Published     |    Year: 2019     |    DOI: https://doi.org/10.1051/epjconf/201920302007

 

Optimization of the Collective Thomson scattering diagnostic for future operation

, ; Abramovic, I. ; Moseev, D. ; Stange, T. ; Marsen, S. ; Kasparek, W. ; Nielsen, S.K. ; Tancetti, A. ; Salewski, M. ; Pavone, A. ; Svensson, J. P. ; Wolf, R.C. ; Laqua, H.P. ; Cardozo, N.J. Lopes
in: Journal of Instrumentation, vol: 14, issue: 10
Presented at:
3rd European Conference on Plasma Diagnostics

Type: Conference article (Peer reviewed)

Status: Published     |    Year: 2019     |    DOI: https://doi.org/10.1088/1748-0221/14/10/C10021

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Parametric Decay Instabilities during Electron Cyclotron Resonance Heating at ASDEX Upgrade

, ; Hansen, Søren Kjer ; Nielsen, Stefan Kragh ; Stober, J. ; Rasmussen, Jesper ; Salewski, Mirko ; Pedersen, Morten Stejner ; Hoelzel, M.
part of: Proceedings of the 46th EPS Conference on Plasma Physics, 2019, European Physical Society
Presented at:
46th EPS Conference on Plasma Physics

Type: Article in proceedings (Peer reviewed)

Status: Published     |    Year: 2019

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Particle-in-cell simulations of two plasmon decay in a non-monotonic density profile

Senstius, M. G. ; Nielsen, S. K. ; Vann, R. G. L.
Presented at:
46th EPS Conference on Plasma Physics

Type: Paper (Peer reviewed)

Status: Published     |    Year: 2019

2017
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Parametric decay instability near the upper hybrid resonance and anomalous mm-wave scattering in tokamak and stellarator plasmas

Hansen, S. K. ; Nielsen, Stefan Kragh ; Salewski, Mirko ; Pedersen, Morten Stejner ; Stober, J. ; Team, ASDEX Upgrade
in: E P J Web of Conferences, vol: 149
Presented at:
10th International Workshop "Strong Microwaves and Terahertz Waves: Sources and Applications"

Type: Conference article (Peer reviewed)

Status: Published     |    Year: 2017     |    DOI: https://doi.org/10.1051/epjconf/201714903020

2016
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High power microwave diagnostic for the fusion energy experiment ITER

Korsholm, Søren Bang ; Leipold, Frank ; Goncalves, B. ; Gutierrez Espinoza, Heidi Estibaliz ; Jensen, Thomas ; Jessen, Martin ; Klinkby, Esben Bryndt ; Larsen, Axel Wright ; Naulin, Volker ; Nielsen, Stefan Kragh ; Nonbøl, Erik ; Oosterbeek, H. ; Rasmussen, Jesper ; Salewski, Mirko ; Sanchez, P. ; Pedersen, Morten Stejner ; Taormina, Arianna
part of: 2016 41st International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz) , 2016, IEEE
Presented at:
41st International Conference on Infrared, Millimeter and Terahertz Waves

Type: Article in proceedings (Peer reviewed)

Status: Published     |    Year: 2016     |    DOI: https://doi.org/10.1109/IRMMW-THz.2016.7758537

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High Power Microwave Diagnostic for the Fusion Energy Experiment ITER

Korsholm, Søren Bang ; Leipold, Frank ; Gonçalves, B. ; Gutierrez Espinoza, Heidi Estibaliz ; Jensen, Thomas ; Jessen, Martin ; Klinkby, Esben Bryndt ; Larsen, Axel Wright ; Naulin, Volker ; Nielsen, Stefan Kragh ; Nonbøl, Erik ; Oosterbeek, H. ; Rasmussen, Jesper ; Salewski, Mirko ; Sanchez, L. ; Sanchez, P. ; Pedersen, Morten Stejner ; Taormina, Arianna
Presented at:
41st International Conference on Infrared, Millimeter and Terahertz Waves

Type: Poster (Peer reviewed)

Status: Published     |    Year: 2016