FONCK, RAYMOND J. / Physics / Researchers

International Center for Scientific Research

Researchers

Physics / FONCK, RAYMOND J.

rjfonckwisc.edu

Position

Experimental physicist,

Professor in the Department of Engineering Physics, University of Wisconsin-Madison,
Madison, U.S.A.

Research interests

* plasma & fusion science and technology
* plasma turbulence
* burning plasmas
* tokamaks
* alternative fusion schemes
* atomic physics and applied optics
* high temperature plasma diagnostics

His main research focus is on the properties of magnetically confined plasmas for thermonuclear fusion energy applications.

Professor Fonck has developed a variety of diagnostic techniques for measuring the particle and energy content and the stability of very-high-temperature plasmas. Current applications focus on studies of density and energy microturbulence in hot plasmas to determine the basic source of anomalous plasma particle and energy losses. This includes studies of spatial and temporal correlations between fluctuating modes, plus nonlinear coupling between turbulent modes in the plasma.

Prizes and awards

Steenbock Professor in Physical Science
Fellow of the American Physical Society
Member, Executive Committee, APS Division of Plasma Physics
Fusion Power Associates Fusion Leadership Award, 2004
* Member, National Research Council Board on Physics and Astronomy
* Co-Chair, National Research Council Burning Plasma Assessment Committee, 2002-2003
* President, University Fusion Association, 1999-2001
* Member, National Research Council Fusion Science Assessment Committee, 1999-2001
* Excellence in Plasma Physics Research Award, American Physical Society
* Byron Byrd Award for Excellence in Research Publication, University of Wisconsin
* Mid-Career Achievement Award, University of Wisconsin

Publications

Effect of ion grad-B drift direction on density fluctuation poloidal flow and flow shear, C. Fenzi,G. McKee, K.H. Burrell, T.N. Carlstrom, R.J. Fonck, R.J. Groebner, Phys. Plasmas 12,062307 (2005).

Turbulence Velocimetry of Density Fluctuation Imaging Data, G. R. McKee, R. J. Fonck, D. K.Gupta, D. J. Schlossberg, M. W. Shafer, C. Holland, G. Tynan, Rev. Sci. Instrum. 75, 3490(2004).

Enhanced Sensitivity Beam Emission Spectroscopy System for Nonlinear Turbulence Stuides,D.K. Gupta, R.J. Fonck, G.R. McKee, D.J. Schlossberg, M.W. Shafer, Rev. Sci. Instrum. 75,3493 (2004).

Investigation of the time-delay estimation method for turbulent velocity inference, C. Holland,G. R. Tynan, G. R. McKee, and R. J. Fonck, Rev. Sci. Instrum. 75, 4278 (2004).

Dynamics of pedestal perturbations by ELMs and edge harmonic oscillations in DIII-D, L Zeng,G Wang, E J Doyle, T L Rhodes, W A Peebles, G R McKee, R Fonck, K H Burrell, M EFenstermacher, J Boedo and R Moyer, Plasma Phys. Control. Fusion 46 A121 (2004).

Observation and characterization of radially sheared zonal flows in DIII-D, G. R. McKee, R.J.Fonck, M. Jakubowski et al., Plasma Phys. Contr. Fus. 45, A477 (2003).

Experimental characterization of coherent, radially-sheared zonal flows in the DIII-D tokamak(INVITED), G.R. McKee, R.J. Fonck, M. Jakubowski, K.H. Burrell, K. Hallatschek, R.A.Moyer, D.L. Rudakov, W. Nevins, G.D. Porter, P. Schoch, X. Xu, Phys. Plasmas 10, 1712(2003).

Turbulence imaging and applications using beam emission spectroscopy on DIII-D, G.R.McKee,C. Fenzi, R.J. Fonck, M. Jakubowski, Rev. Sci. Instrum.74, 2014 (2003).

Observation of Coherent Sheared Turbulence Flows in DIII-D, M. Jakubowski, R.J. Fonck, G.R.McKee, Phys. Rev. Lett. 89, 265003 (2002).

Images of Turbulence in a Tokamak Plasma, G.R. McKee, C. Fenzi, R.J. Fonck, IEEE Trans.Plasma Sci. 30 (1), 62 (2002).

Comparing simulation of plasma turbulence with experiment, D.W. Ross, R.V. Bravenec, W.Dorland, M.A. Beer, G.W. Hammett, G.R. McKee, R.J. Fonck, M. Murakami, K.H. Burrell,G.L. Jackson, G.M. Staebler, Phys. Plasmas 9 (1), 177 (2002).

Transport by intermittent convection in the boundary of the DIII-D tokamak, J. Boedo, D.Rudakov, R. Moyer, S. Kraseninnikov, D. Whyte, G. McKee, G. Tynan, M. Schaffer, P.Stangeby, P. West, S. Allen, T. Evans, R. Fonck , E. Hollmann, A. Leonard, A. Mahdavi, G.Porter, M. Tillack, G. Antar, Phys. Plasmas 8 (11), 4826 (2001).

The nondimensional scaling of turbulence characteristics and turbulent diffusivity, G.R. McKee,C.C. Petty, R.E. Waltz, C. Fenzi, R.J. Fonck, K.H. Burrell, D.R. Baker, E.J. Doyle, X.Garbet, J.E. Kinsey, T.C. Luce, R.A. Moyer, C.L. Rettig, T.L. Rhodes, D.R. Ross, G.M.Staebler, R. Sydora, M.R. Wade, Proceedings of the 18th IAEA Fusion Energy Conference,Sorrento, Italy, 2000 (International Atomic Energy Agency, Vienna), Nucl. Fusion 41, 1235(2001).

A Lyman-alpha-based (VUV) plasma density fluctuation diagnostic design, G.R. McKee, R.J.Fonck, C. Fenzi, B.P. Leslie, Rev. Sci. Instrum. 72, 992 (2001).

2D turbulence imaging in DIII-D via beam emission spectroscopy, C. Fenzi, R.J. Fonck, M.Jakubowski, G.R. McKee, Rev. Sci. Instrum. 72, 988 (2001).

Wavelet-based time-delay estimation for time-resolved turbulent flow analysis, M. Jakubowski,R.J. Fonck, C. Fenzi, G.R. McKee, Rev. Sci. Instrum.72, 996 (2001).

Large-scale behavior of the tokamak density fluctuations, G. M. Zaslavsky, M. Edelman, H.Weitzner, B. Carreras, G. McKee, R. Bravenec, R. Fonck, Phys. Plasmas 7, 3691 (2000).

Impurity-Induced Turbulence Suppression and Reduced Transport in the DIII-D Tokamak, G. R.McKee, M. Murakami, J. A. Boedo, N. H. Brooks, K. H. Burrell, D. R. Ernst, R. J. Fonck, G.L. Jackson, M. Jakubowski, R. J. LaHaye, A. M. Messiaen, C. L. Rettig, J. Ongena, B. W.Rice, C. Rost, G. M. Staebler, R. Sydora, D. M. Thomas, M. R. Wade, W. P. West, Phys.Plasmas 7, 1870 (2000).

Impurity-induced suppression of core turbulence and transport in the DIII-D tokamak, G.McKee, K. Burrell, R. Fonck, G. Jackson, M. Murakami, G. Staebler, D. Thomas, P. West,Phys. Rev. Lett. 80, 1922 (2000).

Comparative studies of core and edge transport barrier dynamics of DIII-D and TFTR tokamakplasmas, E.J. Synakowski, M.A. Beer, R.E. Bell, K.H. Burrell, B.A. Carreras, P.H. Diamond,E.J. Doyle, D. Ernst, R.J. Fonck, P. Gohil, C.M. Greenfield, T.S. Hahm, G.W. Hammett,F.M. Levinton, E. Mazzucato, G. McKee, D.E. Newman, H.K. Park, C.L. Rettig, G.Rewoldt, T.L. Rhodes, B.W. Rice, G. Taylor, M.C. Zarnstorff, Nucl. Fus. 39, 1733 (1999).

Experimental Investigations of Plasma Turbulence Suppression in the DIII-D Tokamak, G. R.McKee, K. H. Burrell, E. J. Doyle, C. M. Greenfield, R. J. Fonck, G. L. Jackson, M.Murakami, C. L. Rettig, G. M. Staebler, J. Plasma Fusion Res. SERIES Vol. 2, 85 (1999).

The Beam Emission Spectroscopy Diagnostic on the DIII-D Tokamak, G. McKee, R. Ashley, R.Durst, R. Fonck, M. Jakubowski, K. Tritz, K. Burrell, C. Greenfield, J. Robinson, Rev. Sci.Instrum 70 (1), 913 (1999).

Application of wavelet spectral analysis to plasma fluctuation measurements using beamemission spectroscopy, M. Jakubowski, R. Fonck, J. S. Kim, G.McKee, Rev. Sci. Instrum.70, 874 (1999).

Transport Measurements For Confined Nonthermal Alpha Particles in TFTR D-T Plasmas, G.McKee, R. Fonck, B. Stratton et al., Nucl. Fusion 37, 501 (1997).

Observation of Sawtooth Redistribution of Nonthermal, Confined Alpha Particles in TFTR D-T Discharges, B. Stratton, R. Fonck, G. McKee, R. Budny, Z. Chang, F. Wising, Nucl. Fus.36, 1586 (1996).

Confined Alpha Distribution Measurements in a Deuterium-Tritium Tokamak Plasma, G.McKee, R. Fonck, B. Stratton et al., Phys. Rev. Lett. 75, 649 (1995).

Implementation of the α-CHERS diagnostic for D-T Operation of TFTR, G. McKee, R. Fonck,B. Stratton, T. Thorson, Rev. Sci. Instrum., 66, 643 (1995).

Spectroscopic observation of 0-300 keV 3 He Ions Produced by ICRF Heating in TFTR, B.Stratton, R. Fonck, G. McKee, T. Thorson et al., Nucl. Fusion 34, 734 (1994).

Alpha-CHERS: A spectroscopic experiment to detect nonthermal alpha particles on TFTR, B.Stratton, R. Fonck, G. McKee, T. Thorson, Rev. Sci. Instrum. 63, 5179 (1992).

Spectrometer system and detector tests for the TFTR alpha-CHERS experiment, T. Thorson, G.McKee, R. Fonck, B. Stratton, Rev. Sci. Instrum. 63, 5182 (1992).


PRESENTATIONS:

“Core Turbulence Dynamics During Hybrid Scenario Tokamak Plasmas on DIII-D,” G.R.McKee, R.J. Fonck, D. Gupta, M. Shafer, D. Schlossberg, G. Jackson, R. Groebner, C. Petty,T. Luce, M. Wade, Transport Task Force, Napa, California (2005).

“Turbulence Velocimetry with BES Fluctuation Imaging Data on DIII-D,” G. R. McKee, R. J.Fonck, D. K. Gupta, D. J. Schlossberg, M. W. Shafer, C. Holland, G. Tynan, AmericanPhysical Society, Savannah, GA (2004).

“Turbulence Velocimetry of Beam Emission Spectroscopy Fluctuation Imaging Data,” G.McKee, R. Fonck, D. Gupta, D. Schlossberg, M. Shafer, Plasma Physics Seminar, Universityof Wisconsin-Madison, Madison, WI (2004).


“Turbulence Velocimetry of Beam Emission Spectroscopy Density Fluctuation Imaging Data,”G. R. McKee, R. J. Fonck, D. K. Gupta, D. J. Schlossberg, M. W. Shafer, C. Holland, G.Tynan, Transport Task Force, Salt Lake City, UT (2004).

“Turbulence Velocimetry of Density Fluctuation Imaging Data,” G. R. McKee, R. J. Fonck, D.K. Gupta, D. J. Schlossberg, M. W. Shafer, C. Holland, G. Tynan, High Temperature PlasmaDiagnostics, San Diego, CA, (2004).

“Dependence of Turbulence and Transport on the Electron to Ion Temperature Ratio”, G.R.McKee, R. Fonck, D. Gupta et al., American Physics Society-Division of Plasma Physics,Albuquerque, NM (2003).

“Observation and characterization of Coherent, Radially-Sheared Zonal Flows in the DIII-DTokamak,” (INVITED) G. R. McKee, R.J. Fonck, M. Jakubowski et al., European PhysicalSociety, St. Petersburg, Russia (2003).

“Experimental Observation and Characterization of Coherent, Radially-Sheared Zonal Flows inthe DIII-D Tokamak (INVITED),” G.R. McKee, R.J. Fonck, M. Jakubowski, K. Burrell etal., American Physical Society-Division of Plasma Physics, Orlando, FL (2002).

“Turbulence Regulation and Stabilization by Sheared Equilibrium and Coherent TurbulenceFlows,” G.R. McKee, R.J. Fonck, M. Jakubowski et al., 19thIAEA Fusion EnergyConference, Lyon, France (2002).

“Turbulence Imaging, Analysis and Applications using Beam Emission Spectroscopy(INVITED),” G. McKee, C. Fenzi, R.J. Fonck, M. Jakubowski, High Temperature PlasmaDiagnostics Conference, Madison, WI (2002).

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