HBT-EP Related Publications (reverse chronological order)

Wei, Y., et al., “MHD Mode Tracking Using High-Speed Cameras and Deep Learning.” Submitted to Plas. Phys. Cont. Fus. (2023)
Saperstein, A.R., et al., “Disruption halo current rotation scaling on Alcator C-Mod and HBT-EP,” Submitted to Phys. Plas. (2023)
Chandra, R.N., et al., “An optical-input Maximum Likelihood Estimation feedback system demonstrated on tokamak horizontal equilibrium control,” Fus. Eng. Des. 191, 113565 (2023). DOI: https://doi.org/10.1016/j.fusengdes.2023.113565
Saperstein, A.R., et al., “Halo current rotation scaling in post-disruption plasmas,” Nuc. Fusion 62, 026044 (2021). DOI: https://doi.org/10.1088/1741-4326/ac4186
Wei, Y., et al., “A dimensionality reduction algorithm for mapping tokamak operational regimes using a Variational Autoencoder (VAE) neural network,” Nuc. Fusion 61, 126063 (2021). DOI: https://doi.org/10.1088/1741-4326/ac3296
Stewart, I.G., et al., “Suppression of ITG turbulence due to spectral shift during biasing induced H-mode on HBT-EP,” Phys. Plas. 28, https: (2021). DOI: https://doi.org/10.1063/5.0040265
Brooks, J.W., et al., “Suppression of MHD modes with active phase-control of probe-injected currents,” Nuc. Fusion 61, 096017 (2021). DOI: https://doi.org/10.1088/1741-4326/ac1544
Levesque, J.P., et al., “Active control of kink modes using a non-magnetic, extreme ultraviolet sensor array,” Proc. from the 47^th EPS Conf. on Plas. Phys. (Paper P4.1053), (21-25 June 2021). Available at: http://ocs.ciemat.es/EPS2021PAP/pdf/P4.1053.pdf
Brooks, J.W., et al., “Mode rotation control in HBT-EP with a feedback-driven biased electrode,” Rev. Sci. Instrum. 90, 023503 (2019). DOI: https://doi.org/10.1063/1.5062271
Hughes, P.E., et al., “Dynamics of MHD instabilities near a ferromagnetic wall,” Nuc. Fusion 58, 126009 (2018). DOI: https://doi.org/10.1088/1741-4326/aade58
Rhodes, D.J., et al., “Shaping effects on toroidal magnetohydrodynamic modes in the presence of plasma and wall resistivity,” Phys. Plas. 25, 012517 (2018). DOI: https://doi.org/10.1063/1.4991873
Levesque, J.P., et al., “Measurement of scrape-off-layer current dynamics during MHD activity and disruptions in HBT-EP,” Nuc. Fus. 57, 086035 (2017). DOI: https://doi.org/10.1088/1741-4326/aa75ea
Peng, Q., et al., “Improved feedback control of wall-stabilized kink modes with different plasma-wall couplings and mode rotation,” Plasma Phys. Control. Fus. 58, 045001 (2016). DOI: https://doi.org/10.1088/0741-3335/58/4/045001
Hughes, P.E., et al., “Design and Installation of a Ferromagnetic Wall in Tokamak Geometry,” Rev. Sci. Instrum. 86, 103504 (2015). DOI: https://doi.org/10.1063/1.4932312
Levesque, J.P., et al., “Active and passive kink mode studies in a tokamak with a movable ferromagnetic wall,” Phys. Plasmas 22, 056102 (2015). DOI: http://dx.doi.org/10.1063/1.4918360
Angelini, S.M., et al., “High-Speed imaging of the plasma response to resonant magnetic perturbations in HBT-EP,” Plasma Phys. Control. Fus., 57, 045008 (2015). DOI: http://dx.doi.org/10.1088/0741-3335/57/4/045008
Rath, N., et al., “Fast, multi-channel real-time processing of signals with microsecond latency using graphics processing units,” Rev. Sci. Instr. 85, 045114 (2014). DOI: http://dx.doi.org/10.1063/1.4870901
Rath, N., et al., “Adaptive Feedback Control of Rotating External Kink Modes in HBT-EP,” Nuc. Fusion, 53, 073052 (2013a). DOI: http://dx.doi.org/10.1088/0029-5515/53/7/073052
Rath, N., et al., “Adaptive Control of Rotating Magnetic Perturbations in HBT-EP using GPU Processing,” Plasma Phys. Control. Fus. 55, 084003 (2013b). DOI: http://dx.doi.org/10.1088/0741-3335/55/8/084003
Shiraki, D., et al., “In-Situ “Artificial Plasma” Calibration of Tokamak Magnetic Sensors,” Rev. Sci. Instr., 84, 063502 (2013a). DOI: http://dx.doi.org/10.1063/1.4808366
Levesque, J.P., et al., “Multimode observations and 3D magnetic control of the boundary of a tokamak plasma,” Nuc. Fusion, 53, 073037 (2013). DOI: http://dx.doi.org/10.1088/0029-5515/53/7/073037
Shiraki, D., et al., “Measurement of 3D Plasma Response to External Magnetic Perturbations in the Presence of a Rotating External Kink,” Phys. Plasmas, 20, 102503 (2013b). DOI: http://dx.doi.org/10.1063/1.4824345
Maurer, D.A., et al., “High resolution detection and excitation of resonant magnetic perturbations in a wall-stabilized tokamak,” Phys. Plasmas, 19, 056123 (2012). DOI: http://dx.doi.org/10.1063/1.4718330
Rath, N., et al. “High-speed, multi-input, multi-output control using GPU processing in the HBT-EP tokamak,” Fusion Eng. Des., 87, 1895 (2012a). DOI: http://dx.doi.org/10.1016/j.fusengdes.2012.04.003
Levesque, J.P., et al., “A high-power spatial filter for Thomson scattering stray light reduction,” Rev. Sci. Instr. 82, 033501 (2011). DOI: http://dx.doi.org/10.1063/1.3549142
Maurer, D.A., et al., “The high beta tokamak-extended pulse magnetohydrodynamic mode control research program,” Plasma Phys. Control. Fus., 53, 074016 (2011). DOI: http://dx.doi.org/10.1088/0741-3335/53/7/074016
Hanson, J.M., et al., “A digital control system for external magnetohydrodynamic modes in tokamak plasmas,” Rev. Sci. Instr., 80(4), 043503 (2009a). DOI: http://dx.doi.org/10.1063/1.3112607
Hanson, J.M., et al., “A Kalman filter for feedback control of rotating external kink instabilities in the presence of noise,” Phys. Plasmas, 16 (5), 056112 (2009b). DOI: http://dx.doi.org/10.1063/1.3110110
Hanson, J.M., et al., “Feedback suppression of rotating external kink instabilities in the presence of noise,” Phys. Plasmas, 15 (8), 080704 (2008). DOI: http://dx.doi.org/10.1063/1.2974797
Katsuro-Hopkins, O., et al. “Enhanced ITER resistive wall mode feedback performance using optimal control techniques,” Nuc. Fusion, 47, 1157-1165 (2007). DOI: http://dx.doi.org/10.1088/0029-5515/47/9/012
Pedersen, T.S., et al., “Experiments and modelling of external kink mode control using modular internal feedback coils,” Nuc. Fusion 47 (9) 1293-1299 (2007). DOI: http://dx.doi.org/10.1088/0029-5515/47/9/028
Maurer, D. A., et al., “Controllability and reduced state space models for feedback control of the resistive wall kink mode,” Proceedings 45th IEEE CDC, WeIT.13 (2006). DOI: http://dx.doi.org/10.1109/CDC.2006.377492
Reimerdes, H., et al., “Cross-machine comparison of resonant field amplification and resistive wall mode stabilization by plasma rotation,” Phys. Plasmas 13, 056107 (2006). DOI: http://dx.doi.org/10.1063/1.2177134
Klein, A.J., et al., “Suppression of rotating external kink instabilities using optimized mode control feedback,” Phys. Plasmas, 12, 040730 (2005). DOI: http://dx.doi.org/10.1063/1.1868732
Mauel, M.E., et al., “Dynamics and control of resistive wall modes with magnetic feedback coils: Theory and Experiment,” Nuc. Fusion, 45, 285 (2005). DOI: http://dx.doi.org/10.1088/0029-5515/45/4/010
Liu, Y., et al., “A high spatial resolution Hall sensor array for edge plasma magnetic field measurements,” Rev. Sci. Instr. 76, 093501 (2005). DOI: http://dx.doi.org/10.1063/1.2018628
Shilov, M., et al., “Dynamical Plasma Response of Resistive Wall Modes to Changing External Magnetic Perturbations,” Phys. Plasmas 11, 2573 (2004). DOI: http://dx.doi.org/10.1063/1.1688793
Paul, S.F., et al., “High-speed optical diagnostic that uses interference filters to measure Doppler shifts,” Rev. Sci. Instr. 10, 4077 (2004). DOI: http://dx.doi.org/10.1063/1.1790057
Paul, S. F., “Real-time plasma rotation diagnostic for measuring small Doppler shifts,” Rev. Sci. Instr., 74 (3), 2098 (2003). DOI: http://dx.doi.org/10.1063/1.1537438
Maurer, D.A., et al., “3D VALEN Modeling and HBT-EP Experiments,” IAEA-CN-94/TH/P3-13, IAEA (2002). http://www.iaea.org/inis/collection/NCLCollectionStore/_Public/35/074/35074052.pdf
Taylor, E. D., et al., “Effect of magnetic islands on the local plasma behavior in a tokamak experiment,” Phys. Plasmas, 3938 (2002). DOI: http://dx.doi.org/10.1063/1.1499715
Bialek, J., et al., “Modeling of Active Control of External Magnetohydrodynamic Instabilities,” Phys. Plasmas, 8 2170 (2001). DOI: http://dx.doi.org/10.1063/1.1362532
Nadle, D.L., et al., “The Feedback Phase Instability in the HBT-EP Tokamak,” Nuc. Fusion 40 1791 (2000). DOI: http://dx.doi.org/10.1088/0029-5515/40/10/309
Cates, C., et al., “Suppression of resistive wall instabilities with distributed, independently controlled, active feedback coils,” Phys. Plasmas, 7, 133 (2000). DOI: http://dx.doi.org/10.1063/1.874223
Taylor, E. D., et al., “Nonstationary signal analysis of magnetic islands in plasmas,” Rev. Sci. Instr. 70, (1999). DOI: http://dx.doi.org/10.1063/1.1150110
Mauel, M.E., et al., “Suppression of Magnetic Islands through Synchronous and Asynchronous Application of Resonant Magnetic Fields,” Plasma Physics and Controlled Fusion Research, IAEA, (1998). http://www-pub.iaea.org/MTCD/publications/PDF/csp_001c/pdf/exp3_09.pdf
Navratil, G.A., et al., “Active control of 2/1 magnetic islands in a tokamak,” Phys. Plasmas 5, 1855 (1998). DOI: http://dx.doi.org/10.1063/1.872856
Garofalo, A. M., et al., “Stabilization of kink instabilities by eddy currents in a segmented wall and comparison with ideal MHD theory,” Nuc. Fusion 38, 1029 (1998). DOI: http://dx.doi.org/10.1088/0029-5515/38/7/306
Mauel, M.E., “Eddy-Current Characterization and Plasma Rotation Control in Wall-Stabilized Tokamak Discharges,” Plasma Physics and Controlled Fusion Research, IAEA (1996). http://www.iaea.org/inis/collection/NCLCollectionStore/_Public/28/062/28062985.pdf
Ivers, T. H., et al., “Observation of wall stabilization and active control of low-n magnetohydrodynamic instabilities in a tokamak,” Phys. Plasmas 3, 1926 (1996). DOI: http://dx.doi.org/10.1063/1.871988
Ivers, T. H., et al., “Passive and Active Control of MHD Instabilities in the HBT-EP Tokamak,” Plasma Physics and Controlled Fusion Research, IAEA, (1994).http://www.iaea.org/inis/collection/NCLCollectionStore/_Public/27/049/27049293.pdf
Sankar, M. K. V., et al., “Initial high beta operation of the HBT-EP tokamak,” J. Fusion Energy 12, 303 (1993). DOI: http://dx.doi.org/10.1007/BF01079674

Stewart, I.G., Transport Barrier Formation on HBT-EP,, Ph.D. Thesis, Columbia University (2021); DOI: https://doi.org/10.7916/d8-bjpx-qs61
Brooks, J.W., Active Feedback Control of MHD Modes and Plasma Rotation Using Currents Driven from a Bias Electrode Array,, Ph.D. Thesis, Columbia University (2020); DOI: https://doi.org/10.7916/d8-nvkv-k580
Rhodes, D.J., Shaping Effects on Magnetohydrodynamic Instabilities in a Tokamak Plasma Surrounded by a Resistive Wall,, Ph.D. Thesis, Columbia University (2017); DOI: https://doi.org/10.7916/D8FB5FB8
Byrne, P.J., Study of External Kink Modes in Shaped HBT-EP Plasmas,, Ph.D. Thesis, Columbia University (2017); DOI: https://doi.org/10.7916/D8R78SJ0
Peng, Q., Improved magnetic feedback system on the fast-rotating kink mode,, Ph.D. Thesis, Columbia University (2016); DOI: https://doi.org/10.7916/D8VD6ZPR
Hughes, P.E., MHD Effects of a Ferritic Wall on Tokamak Plasmas,, Ph.D. Thesis, Columbia University (2015); DOI: https://doi.org/10.7916/D87D2V64
Stoafer, C.C., Study of kink modes and error fields through rotation control with a biased electrode, Ph.D. Thesis, Columbia University (2015); DOI: https://doi.org/10.7916/D8X92B0D
Angelini, S.M., High-Speed Videography on HBT-EP, Ph.D. Thesis, Columbia University (2014); DOI: https://doi.org/10.7916/D87942VV
DeBono, B.A., How Rotation affects Instabilities and the Plasma Response to Magnetic Perturbations in a Tokamak Plasma, Ph.D. Thesis, Columbia University (2014); DOI: https://doi.org/10.7916/D8J964HR
Rath, N., GPU-based, Microsecond Latency, Hecto-Channel MIMO Feedback Control of Magnetically Confined Plasmas, Ph.D. Thesis, Columbia University (2012); DOI: https://doi.org/10.7916/D8M90GRC
Levesque, J.P., Multimode Structure of Resistive Wall Modes near the Ideal Wall Stability Limit, Ph.D. Thesis, Columbia University (2012); DOI: https://doi.org/10.7916/D8C82HC3
Shiraki, D., High-Resolution MHD Spectroscopy of External Kinks in a Tokamak Plasma, Ph.D. Thesis, Columbia University (2012); DOI: https://doi.org/10.7916/D8BP08W0
Hanson, J.M., A Kalman Filter for Active Feedback on Rotating External Kink Instabilities in a Tokamak Plasma, Ph.D. Thesis, Columbia University (2009); DOI: https://doi.org/10.7916/d8-jk5z-ch20
James, R.W., Dα Emissions as a Tool for Long Wavelength Instability Investigations of Fusion Tokamak Plasmas, Ph.D. Thesis, Stevens Institute of Technology (2008); ProQuest: https://www.proquest.com/docview/305103609/9159AF24C85340F8PQ
Liu, Y., Study of External Kink Stability With a Conducting Wall, Ph.D. Thesis, Columbia University (2006); ProQuest: https://www.proquest.com/docview/305360855/5BFAF57FE5C48B0PQ
Klein, A.J., High-speed Digital Mode Control Feedback on Magneto-hydrodynamic Instabilities in the HBT-EP Tokamak, Ph.D. Thesis, Columbia University (2005); ProQuest: https://www.proquest.com/docview/305361329/1E06A782CB6E4F5DPQ
Cates, C.J., Active Feedback Suppression of Resistive Wall Instabilities on HBT-EP, Ph.D. Thesis, Columbia University (2005); ProQuest: https://www.proquest.com/openview/446588ee9379d9f2a0ff40d2290921bb/1?pq-origsite=gscholar&cbl=18750&diss=y
Shilov, M., Measurement of the Response of External Kink modes to Resonant Magnetic Perturbation in HBT-EP Tokamak Plasmas, Ph.D. Thesis, Columbia University (2005); ProQuest: https://www.proquest.com/docview/305008667/866266B8C0774133PQ
Maurer, D.A., Interaction of Rotating Magnetic Perturbations with Magnetic Islands in the HBT-EP Tokamak, Ph.D. Thesis, Columbia University (2000); ProQuest: https://www.proquest.com/docview/304595961/CAE216986C95424APQ/2?accountid=10226
Taylor, E. D., Effect of Magnetic Islands on the Local Plasma Behavior in a Tokamak, Ph.D. Thesis, Columbia University (1999); ProQuest: https://www.proquest.com/docview/304601560/F871742ED97A4E5FPQ
Nadle, D. L., Magnetic Feedback Experiments on the m/n = 2/1 Tearing Mode in the HBT-EP Tokamak, Ph.D. Thesis, Columbia University (1999); ProQuest: https://www.proquest.com/docview/304623475/CAE216986C95424APQ
Eisner, E., The Effects of Wall Coverage, Symmetry, and Plasma-Wall Separation on the Stability of Tokamak Plasmas, Ph.D. Thesis, Columbia University (1998); ProQuest: https://www.proquest.com/docview/304435773/8D2C94406F204D8FPQ
Kombargi, R., The Influence of a Conducting Wall on Disruptions in HBT-EP, Ph.D. Thesis, Columbia University (1998); ProQuest: https://www.proquest.com/docview/304343990/2EF7B4339D64B4BPQ
Xiao Q., Effect of Applied Resonant Magnetic Fields on the Measured MHD Mode Structure in a Tokamak Plasmas, Ph.D. Thesis, Columbia University (1998)
Garofalo A., A. M., Measurement and Interpretation of Eddy Current Induced in a Segmented Conducting Wall by MHD Instabilities in a Tokamak, Ph.D. Thesis, Columbia University (1997)
Gates, D., Stabilization of MHD Instabilities Using a Conducting Wall on HBT-EP, Ph.D. Thesis, Columbia University (1993)