Current research into applications of tomography for fusion diagnostics

J Mlynar, T Craciunescu, DR Ferreira, P Carvalho… - Journal of fusion …, 2019 - Springer
Retrieving spatial distribution of plasma emissivity from line integrated measurements on
tokamaks presents a challenging task due to ill-posedness of the tomography problem and …

Modern numerical methods for plasma tomography optimisation

M Odstrcil, J Mlynar, T Odstrcil, B Alper, A Murari… - Nuclear Instruments and …, 2012 - Elsevier
Tomography is a technique which is widely applied to fusion plasmas as it can provide
improved understanding of plasma emissivity distributions. It is challenging because of the …

Inversion techniques in the soft-X-ray tomography of fusion plasmas: toward real-time applications

J Mlynar, V Weinzettl, G Bonheure… - Fusion Science and …, 2010 - Taylor & Francis
The tomography of fusion plasmas provides local information on plasma emissivity from line-
integrated measurements (projections). However, the corresponding inversion task presents …

Optimized tomography methods for plasma emissivity reconstruction at the ASDEX Upgrade tokamak

T Odstrčil, T Pütterich, M Odstrčil, A Gude… - Review of Scientific …, 2016 - pubs.aip.org
The soft X-ray (SXR) emission provides valuable insight into processes happening inside of
high-temperature plasmas. A standard method for deriving the local emissivity profiles of the …

[HTML][HTML] Implementing an X-ray tomography method for fusion devices

A Jardin, J Bielecki, D Mazon, Y Peysson, K Król… - The European Physical …, 2021 - Springer
In fusion devices, the X-ray plasma emissivity contains essential information on the
magnetohydrodynamic activity, the magnetic equilibrium and on the transport of impurities …

Phillips-Tikhonov regularization with a priori information for neutron emission tomographic reconstruction on Joint European Torus

J Bielecki, L Giacomelli, V Kiptily, M Scholz… - Review of Scientific …, 2015 - pubs.aip.org
A method of tomographic reconstruction of the neutron emissivity in the poloidal cross
section of the Joint European Torus (JET, Culham, UK) tokamak was developed. Due to very …

Minimum Fisher Tikhonov regularization adapted to real-time tomography

V Loffelmann, J Mlynar, M Imrisek… - Fusion Science and …, 2016 - Taylor & Francis
Tomography inversion has been used routinely for processing outputs of plasma radiation
diagnostics. Various tomographic algorithms have been developed, with those based on …

Dealing with artefacts in JET iterative bolometric tomography using masks

E Peluso, M Gelfusa, T Craciunescu… - Plasma Physics and …, 2022 - iopscience.iop.org
Bolometric tomography is a widely applied technique to infer important indirect quantities in
magnetically confined plasmas, such as the total radiated power. However, being an inverse …

Maximum likelihood bolometric tomography for the determination of the uncertainties in the radiation emission on JET TOKAMAK

T Craciunescu, E Peluso, A Murari, M Gelfusa… - Review of Scientific …, 2018 - pubs.aip.org
The total emission of radiation is a crucial quantity to calculate the power balances and to
understand the physics of any Tokamak. Bolometric systems are the main tool to measure …

Tomographic inversion techniques incorporating physical constraints for line integrated spectroscopy in stellarators and tokamaks

NA Pablant, RE Bell, M Bitter… - Review of Scientific …, 2014 - pubs.aip.org
Accurate tomographic inversion is important for diagnostic systems on stellarators and
tokamaks which rely on measurements of line integrated emission spectra. A tomographic …