RF techniques in plasma diagnostics

An overview is given on active and passive microwave diagnostics established on fusion experiments. The basic principles of the various techniques are briefly outlined and their limits as well as recent developments are discussed.

[1]  G. B. Warr,et al.  Multichannel interferometry using high‐order rotating diffraction gratings , 1992 .

[2]  Krug,et al.  Ion temperature measurement of tokamak plasmas by collective Thomson scattering of D2O laser radiation. , 1989, Physical review letters.

[3]  S. Segre,et al.  The polarization of an e.m. wave propagating in a plasma with magnetic shear. The measurement of poloidal magnetic field in a Tokamak , 1972 .

[4]  S. Martini,et al.  A two color multichord infrared interferometer for RFX , 1992 .

[5]  K. Sluis,et al.  A difluoromethane laser interferometer system on ATF , 1990 .

[6]  M. Scully,et al.  The Quantum Theory of Light , 1974 .

[7]  J. Lister,et al.  Ion Temperature-Measurements in a Tokamak by Collective Thomson Scattering , 1991 .

[8]  E. Mazzucato.  Spectrum of small-scale density fluctuations in tokamaks , 1982 .

[9]  F. Simonet,et al.  Measurement of electron density profile by microwave reflectometry on tokamaks , 1985 .

[10]  D. Brower,et al.  Hybrid electron cyclotron emission imaging array system for Texas experimental tokamak upgrade , 1997 .

[11]  E. de la Luna,et al.  Amplitude modulation reflectometry for large fusion devices , 1992 .

[12]  M. Hirsch,et al.  Amplitude modulated heterodyne reflectometer for density profile and density fluctuation profile measurements at W7‐AS , 1996 .

[13]  Kazuhiro Uehara,et al.  Millimeter‐wave phase‐imaging interferometer for the GAMMA 10 tandem mirror , 1991 .

[14]  C. Bennett,et al.  Measurement of CO2 laser small angle Thomson scattering on a magnetically confined plasma , 1993 .

[15]  Calvin Domier,et al.  Ultrashort‐pulse reflectometry (invited) , 1995 .

[16]  E. Holzhauer,et al.  Collective laser light scattering from electron density fluctuations in fusion research plasmas (invited) , 1990 .

[17]  P. Vandenplas,et al.  Time-dependent analysis of spatially resolved fluctuations observed by microwave scattering on TEXTOR , 1998 .

[18]  G. Ramponi,et al.  Perspectives of millimeter‐wave collective Thomson scattering of confined alphas in ignited plasmas , 1996 .

[19]  E. Doyle,et al.  Determination of the two‐dimensional density distribution in a tokamak plasma using phase‐imaging interferometry (invited) , 1986 .

[20]  W. Kunz,et al.  On the measurement of poloidal field distributions in Tokamaks by far-infrared polarimetry , 1978 .

[21]  B. Rice.  Fifteen chord FIR polarimetry system on MTX , 1992 .

[22]  R. Savage,et al.  Density profile reconstructions from 2‐D interferometric data on Microtor using novel tomographic analysis techniques , 1988 .

[23]  H. Bottollier-Curtet,et al.  Microwave reflectometry with the extraordinary mode on tokamaks: Determination of the electron density profile of Petula‐B , 1987 .

[24]  T. N. Carlstrom,et al.  Real-time, vibration-compensated CO2 interferometer operation on the DIII-D tokamak , 1988 .

[25]  J. Evans,et al.  Theory and practice of ionosphere study by Thomson scatter radar , 1969 .

[26]  T. Geist,et al.  Multichannel millimeter wave interferometer for W7-AS , 1997 .

[27]  S. L. Prunty,et al.  Bench test results on a new technique for far-infrared polarimetry , 1997 .

[28]  A. Wootton,et al.  Fluctuations and anomalous transport in tokamaks , 1990 .

[29]  G. Magyar,et al.  JET polari-interferometer , 1989 .

[30]  H. J. Hartfuss,et al.  Cotton-Mouton Effect Measurement in a Plasma at the W7-AS Stellarator , 1998 .

[31]  R. Kirkwood,et al.  Measurement of suprathermal electrons in tokamaks via electron cyclotron transmission , 1990 .

[32]  A. Donné,et al.  REVIEW ARTICLE: Reflectometry techniques for density profile measurements on fusion plasmas , 1996 .

[33]  H. Soltwisch.  Current distribution measurement in a tokamak by FIR polarimetry (invited) , 1986 .

[34]  R. Cano,et al.  Electron cyclotron emission and absorption in fusion plasmas , 1983 .

[35]  J. Lohr,et al.  Electron temperature fluctuation measurements and techniques in the DIII-D tokamak , 1997 .

[36]  J. Wilgen,et al.  A swept two‐frequency microwave reflectometer for edge density profile measurements on TFTR , 1992 .

[37]  T. Tokuzawa,et al.  Ultrafast broadband frequency-modulation reflectometer for density profile measurements in GAMMA 10 , 1997 .

[38]  M. Manso,et al.  Reflectometry in fusion devices , 1993 .

[39]  H. J. Hartfuss,et al.  Intensity interferometry for measurement of electron temperature fluctuations in fusion plasmas , 1993 .

[40]  M. Hirsch,et al.  Temperature fluctuation measurements with ECE on W7-AS , 1996 .

[41]  D. Mansfield,et al.  Midplane Faraday rotation: A densitometer for large tokamaks , 1992 .

[42]  B. Cohen,et al.  Simulations of broadband short-pulse reflectometry for diagnosing plasma density and magnetic-field profiles , 1998 .

[43]  F. Stauffer,et al.  TFTR Michelson interferometer electron cyclotron emission diagnostic , 1985 .

[44]  S. Tamor.  The absorption coefficient of a magnetized plasma for cyclotron radiation , 1978 .

[45]  G. Dodel,et al.  A far-infrared ‘polari-interferometer’ for simultaneous electron density and magnetic field measurements in plasmas , 1978 .

[46]  S. Heijnen,et al.  Pulse radar technique for reflectometry on thermonuclear plasmas , 1991 .

[47]  S. Segre.  Plasma polarimetry for large Cotton–Mouton and Faraday effects , 1995 .

[48]  G. Giruzzi,et al.  Diagnosis of superthermal electrons using cyclotron radiation , 1990 .

[49]  V. Erckmann,et al.  Collective Thomson scattering at W7-AS , 1997 .

[50]  G. Maddaluno,et al.  Experimental approach to polarimetric density measurement on FT machine , 1982 .

[51]  J. Harris,et al.  First results with amplitude modulation reflectometry on the PBX‐M tokamak , 1995 .

[52]  G. Conway.  2D modelling of radial correlation reflectometry , 1997 .

[53]  A. E. Costley,et al.  Electron cyclotron emission from a tokamak plasma: Experiment and theory , 1974 .

[54]  J. Howard.  Novel scanning interferometer for two-dimensional plasma density measurements , 1990 .

[55]  W. Kasparek,et al.  Simultaneous measurement of magnetic field direction and ion temperature in a plasma by collective scattering with a CO2 laser , 1983 .

[56]  Takaki Hatae,et al.  Dual CO2 laser interferometer with a wavelength combination of 10.6 and 9.27 μm for electron density measurement on large tokamaks , 1996 .

[57]  Società italiana di fisica,et al.  Diagnostics for contemporary fusion experiments : proceedings of the workshop held at Villa Monastero, Varenna, Italy, 27 August-6 September, 1991 , 1991 .

[58]  D. Baker.  CO2 interferometer operation in doublet III , 1980 .

[59]  F. Engelmann,et al.  Cyclotron radiation from a rarefied inhomogeneous magnetoplasma , 1973 .

[60]  P. Millot,et al.  First experiments of pulse compression radar reflectometry for density measurements on JET plasmas , 1995 .

[61]  C. Celata,et al.  Cyclotron radiation as a diagnostic tool for tokamak plasmas , 1977 .

[62]  R. Gandy,et al.  Third harmonic electron cyclotron emission measurements on the Advanced Toroidal Facility , 1993 .

[63]  A. Cavallo,et al.  Measurement of apparent turbulent temperature fluctuations on the TFR Tokamak , 1981 .

[64]  G. Vahala,et al.  Electromagnetic wave scattering from magnetic fluctuations in tokamaks , 1992 .

[65]  G. B. Warr,et al.  First results from the three-view far-infrared interferometer for the H1 heliac , 1997 .

[66]  A. Donné,et al.  Multichannel Interferometer Polarimeter System for the Rtp Tokamak , 1990 .

[67]  Savage,et al.  Multichannel scattering studies of the spectra and spatial distribution of tokamak microturbulence. , 1985, Physical review letters.

[68]  Devynck,et al.  Internal magnetic turbulence measurement in plasma by cross polarization scattering. , 1995, Physical review letters.

[69]  T. Tokuzawa,et al.  Millimeter-wave two-dimensional imaging array for the GAMMA 10 tandem mirror , 1997 .

[70]  H. J. Hartfuss,et al.  Fast multichannel heterodyne radiometer for electron cyclotron emission measurement on stellarator W VII‐A , 1985 .

[71]  S. L. Prunty,et al.  Improvement of interferometric measurements on far‐infrared polarimeter interferometer systems , 1996 .

[72]  D. Swanson.  Cyclotron absorption and emission in mode conversion layers{emdash}a new paradigm , 1995 .

[73]  M. Hirsch,et al.  Heterodyne methods in millimetre wave plasma diagnostics with applications to ECE, interferometry and reflectometry , 1997 .

[74]  E. Doyle,et al.  The UCLA frequency tunable correlation reflectometer system on DIII‐D , 1992 .

[75]  M. Kwon,et al.  Core temperature fluctuations and related heat transport in the Texas Experimental Tokamak-Upgrade , 1995 .

[76]  Hartfuss,et al.  Experimental evidence for electron temperature fluctuations in the core plasma of the W7-AS stellarator. , 1994, Physical review letters.

[77]  W. A. Peebles,et al.  X‐mode broadband reflectometric density profile measurements on DIII‐D , 1990 .

[78]  John Sheffield,et al.  Plasma Scattering of Electromagnetic Radiation , 1975 .

[79]  W. A. Peebles,et al.  Application of Interferometry and Faraday Rotation Techniques for Density Measurements on ITER , 1996 .

[80]  F. C. Schüller,et al.  The electron cyclotron absorption diagnostic at the Rijnhuizen tokamak project , 1997 .

[81]  K. Kawahata,et al.  Multichannel HCN laser interferometer for electron density measurements of the JIPP T‐IIU tokamak , 1989 .

[82]  P. Liewer.  Measurements of microturbulence in tokamaks and comparisons with theories of turbulence and anomalous transport , 1985 .

[83]  D. Trotman,et al.  A two color mm‐wave interferometer for the JET divertora) , 1995 .

[84]  A. Donné.  High spatial resolution interferometry and polarimetry in hot plasmas , 1995 .

[85]  B. Branas,et al.  Theoretical and experimental investigation of the phase-runaway in microwave reflectometry , 1998 .

[86]  H. Park,et al.  Multichannel far-infrared laser interferometer for electron density measurements on the tokamak fusion test reactor. , 1987, Applied optics.

[87]  C. A. Hugenholtz,et al.  Multichannel CO2‐laser interferometer using a PbSnTe detector array , 1982 .

[88]  F. Skiff,et al.  A system to measure suprathermal electron distribution functions in toroidal plasmas by electron cyclotron wave absorption , 1997 .

[89]  R. Gandy,et al.  Autocorrelation and crossed-sightline correlation of ECE for measurement of electron temperature and density fluctuations on ATF and TEXT , 1990 .

[90]  A. Donné,et al.  Advantages and Limitations of Microwave Diagnostics in ITER , 1996 .

[91]  Watts,et al.  Dynamics of Core Electron Temperature Fluctuations during Sawtooth Oscillations on TEXT-U. , 1995, Physical review letters.

[92]  M. Bornatici,et al.  Electron-cyclotron absorption and emission: Vexatae quaestiones'' , 1994 .

[93]  W. Kasparek,et al.  CO/sub 2/-laser scattering from thermal fluctuations in a plasma with two ion components , 1983 .

[94]  W H M Clark,et al.  The precision of electron cyclotron emission measurements from DITE Tokamak , 1983 .

[95]  U. Tartari.  Collective Thomson Scattering Diagnostic of Confined Alpha Particle Distributions in ITER , 1996 .

[96]  D. S. Komm,et al.  Electron cyclotron emission in Alcator tokamak , 1977 .