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• The Dynamics of Magnetism in Fe-Cr Alloys with Cr Precipitation
  Magnetic plasma confinement is a key element of fusion tokamak power plant design, yet changes in magnetic properties of alloys and steels occurring under neutron irradiation are often overlooked. We perform a quantitative study exploring how irradiation-induc…
  datacite Chapman, Jacob 2018 置信度 0.66
• Explosive ballooning flux tubes in tokamaks
  The stability of a tokamak plasma to “ballooning” displacements of a thin elliptical magnetic flux tube is examined. Above a critical pressure the energy stored in a tokamak plasma may be lowered by finite displacements of such tubes but not infinitesimal disp…
  datacite Ham, Christopher 2015 置信度 0.66
• Hamiltonian description for magnetic field lines: a tutorial
  Under certain circumstances, the equations for the magnetic field lines can be recast in a canonical form, after defining a suitable field line Hamiltonian. This analogy is extremely useful for dealing with a variety of problems involving magnetically confined…
  datacite Viana, Ricardo L., Mugnaine, Michele, Caldas, Iberê L. 2023 置信度 0.66 Plasma Physics (physics.plasm-ph)FOS: Physical sciencesFOS: Physical sciences
• Beam model of Doppler backscattering
  We use beam tracing -- implemented with a newly-written code, Scotty -- and the reciprocity theorem to derive a model for the linear backscattered power of the Doppler Backscattering (DBS) diagnostic. Our model works for both the O-mode and X-mode in tokamak g…
  datacite Hall-Chen, Valerian H, Parra, Felix I, Hillesheim, Jon C 2021 置信度 0.66 Plasma Physics (physics.plasm-ph)FOS: Physical sciencesFOS: Physical sciences
• Experimental measurement of microwave broadening by fluctuations on the DIII-D tokamak
  High gain, disruption free operation in tokamak fusion reactors requires the use of localized heating and current drive. Microwave power is the ideal tool for this purpose. Microwave power from gyrotrons is injected in focused, steerable beams which are absorb…
  datacite Brookman, Michael William, 0000-0002-5838-1630 2017 置信度 0.66 Microwave depositionDensity fluctuations
• X-point and divertor filament dynamics from Gas Puff Imaging on TCV
  A new Gas Puff Imaging (GPI) diagnostic has been installed on the TCV tokamak, providing two-dimensional insights into Scrape-Off-Layer (SOL) turbulence dynamics above, at and below the magnetic X-point. A detailed study in L-mode, attached, lower single-null …
  datacite Wüthrich, Curdin, Theiler, Christian, Offeddu, Nicola, Galassi, Davide 等 2022 置信度 0.66 Plasma Physics (physics.plasm-ph)FOS: Physical sciencesFOS: Physical sciences
• Excitation of Large-ktheta Ion-Berstein Waves in Tokamaks
  The mode-converted ion-Bernstein wave excited in tokamaks is shown to exhibit certain very interesting behavior, including the attainment of very small poloidal phase velocities, the reversal of poloidal direction, and up-down asymmetries in propagation and da…
  datacite Valeo, E. J., Fisch, N. J. 1995 置信度 0.66 Plasma Physics (physics.plasm-ph)FOS: Physical sciencesFOS: Physical sciences
• Long-lived filaments in fusion plasmas: review of observations and status of hypothesis of microdust-assembled skeletons
  A brief review is given of the progress in studying the long-lived filaments (LLFs) in fusion plasmas (tokamaks, Z-pinch, plasma focus). The paper reports on (i) resolving the fine structure of LLFs, and (ii) verification of our hypothesis (1998) which suggest…
  datacite Kukushkin, A. B., Rantsev-Kartinov, V. A. 2001 置信度 0.66 Plasma Physics (physics.plasm-ph)General Physics (physics.gen-ph)FOS: Physical sciencesFOS: Physical sciences
• Modeling Time Series of Real Systems using Genetic Programming
  Analytic models of two computer generated time series (Logistic map and Rossler system) and two real time series (ion saturation current in Aditya Tokamak plasma and NASDAQ composite index) are constructed using Genetic Programming (GP) framework. In each case…
  datacite Ahalpara, Dilip P., Parikh, Jitendra C. 2006 置信度 0.66 Chaotic Dynamics (nlin.CD)FOS: Physical sciencesFOS: Physical sciences
• Pressure-gradient-induced Alfven eigenmodes: I. Ideal MHD and finite ion Larmor radius effects
  In the second magnetohydrodynamic (MHD) ballooning stable domain of a high-beta tokamak plasma, the Schroedinger equation for ideal MHD shear Alfven waves has discrete solutions corresponding to standing waves trapped between pressure-gradient-induced potentia…
  datacite Bierwage, Andreas, Chen, Liu, Zonca, Fulvio 2009 置信度 0.66 Plasma Physics (physics.plasm-ph)FOS: Physical sciencesFOS: Physical sciences
• The nonlinear dispersion relation of geodesic acoustic modes
  The energy input and frequency shift of geodesic acoustic modes (GAMs) due to turbulence in tokamak edge plasmas are investigated in numerical two-fluid turbulence studies. Surprisingly, the turbulent GAM dispersion relation is qualitatively equivalent to the …
  datacite Hager, Robert, Hallatschek, Klaus 2011 置信度 0.66 Plasma Physics (physics.plasm-ph)FOS: Physical sciencesFOS: Physical sciences
• Ion cyclotron emission from fusion-born ions in large tokamak plasmas: a brief review from JET and TFTR to ITER
  Ion cyclotron emission (ICE) was the first collective radiative instability, driven by confined fusion-born ions, observed from deuterium-tritium plasmas in JET and TFTR. ICE comprises strongly suprathermal emission, which has spectral peaks at multiple ion cy…
  datacite Dendy, R O, McClements, K G 2014 置信度 0.66 Plasma Physics (physics.plasm-ph)FOS: Physical sciencesFOS: Physical sciences
• Profile measurements in the plasma edge of MAST using a ball pen probe
  The ball pen probe (BPP) technique is used successfully to make profile measurements of plasma potential, electron temperature and radial electric field on the Mega Amp Spherical Tokamak (MAST). The potential profile measured by the BPP is shown to significant…
  datacite Walkden, N. R., Adamek, J., Allan, S., Dudson, B. D. 等 2014 置信度 0.66 Plasma Physics (physics.plasm-ph)FOS: Physical sciencesFOS: Physical sciences
• Electron and ion heating characteristics during magnetic reconnection in MAST
  Local electron and ion heating characteristics during merging reconnection startup on the MAST spherical tokamak have been revealed for the first time using a 130 channel YAG-TS system and a new 32 chord ion Doppler tomography diagnostic. 2D local profile meas…
  datacite Tanabe, H., Yamada, T., Watanabe, T., Gi, K. 等 2015 置信度 0.66 Plasma Physics (physics.plasm-ph)FOS: Physical sciencesFOS: Physical sciences
• Partial and Total Dielectronic Recombination rate coefficients for W73+ to W56+
  Dielectronic recombination (DR) is a key atomic process which affects the spectroscopic diagnostic modelling of tungsten, most of whose ionization stages will be found somewhere in the ITER fusion reactor: in the edge, divertor, or core plasma. Accurate DR dat…
  datacite Preval, S. P., Badnell, N. R., O'Mullane, M. G. 2016 置信度 0.66 Atomic Physics (physics.atom-ph)Plasma Physics (physics.plasm-ph)FOS: Physical sciencesFOS: Physical sciences
• An analytical solution of the gyrokinetic equation for the calculation of neoclassical effects
  The purpose of this document is to find an analytical solution for the gyrokinetic equation under specific, simplificative hypotheses. The case I am considering is that of a collisional plasma in the presence of a chain of magnetic islands. The presence of the…
  datacite Casolari, Andrea 2016 置信度 0.66 Plasma Physics (physics.plasm-ph)FOS: Physical sciencesFOS: Physical sciences
• A fast low-to-high mode bifurcation dynamics in a tokamak edge plasma gyrokinetic simulation
  Transport barrier formation and its relation to sheared flows in fluids and plasmas are of fundamental interest in various natural and laboratory observations and of critical importance in achieving an economical energy production in a magnetic fusion device. …
  datacite Chang, C. S., Ku, S., Tynan, G. R., Hager, R. 等 2017 置信度 0.66 Plasma Physics (physics.plasm-ph)FOS: Physical sciencesFOS: Physical sciences
• Recombination of open-f-shell tungsten ions
  We review experimental and theoretical efforts aimed at a detailed understanding of the recombination of electrons with highly-charged tungsten ions characterised by an open 4f sub-shell. Highly-charged tungsten occurs as a plasma contaminant in ITER-like toka…
  datacite Krantz, Claude, Badnell, Nigel R., Müller, Alfred, Schippers, Stefan 等 2017 置信度 0.66 Atomic Physics (physics.atom-ph)FOS: Physical sciencesFOS: Physical sciences
• Sub-microsecond temporal evolution of edge density during edge localized modes in KSTAR tokamak plasmas inferred from ion cyclotron emission
  Ion cyclotron emission (ICE) is detected during edge localised modes (ELMs) in the KSTAR tokamak at harmonics of the proton cyclotron frequency in the outer plasma edge. The emission typically chirps downward (occasionally upward) during ELM crashes, and is dr…
  datacite Chapman, B., Dendy, R. O., McClements, K. G., Chapman, S. C. 等 2017 置信度 0.66 Plasma Physics (physics.plasm-ph)FOS: Physical sciencesFOS: Physical sciences
• Lévy flights on a comb and the plasma staircase
  We formulate the problem of confined Lévy flight on a comb. The comb represents a sawtooth-like potential field $V(x)$, with the asymmetric teeth favoring net transport in a preferred direction. The shape effect is modeled as a power-law dependence $V(x) \prop…
  datacite Milovanov, Alexander V., Rasmussen, Jens Juul 2018 置信度 0.66 Statistical Mechanics (cond-mat.stat-mech)Chaotic Dynamics (nlin.CD)FOS: Physical sciencesFOS: Physical sciences
• Neutron diagnostics for the physics of a high-field, compact, $Q\geq1$ tokamak
  Advancements in high temperature superconducting technology have opened a path toward high-field, compact fusion devices. This new parameter space introduces both opportunities and challenges for diagnosis of the plasma. This paper presents a physics review of…
  datacite Tinguely, R. A., Rosenthal, A., Simpson, R., Ballinger, S. B. 等 2019 置信度 0.66 Plasma Physics (physics.plasm-ph)FOS: Physical sciencesFOS: Physical sciences
• Micro-Faraday cup matrix detector for ion beam measurements in fusion plasmas
  Atomic Beam Probe (ABP) is an extension of the routinely used Beam Emission Spectroscopy (BES) diagnostic for plasma edge current fluctuation measurement at magnetically confined plasmas. Beam atoms ionized by the plasma are directed to a curved trajectory by …
  datacite Réfy, Dániel Imre, Zoletnik, Sándor, Dunai, Dániel, Anda, Gábor 等 2019 置信度 0.66 Plasma Physics (physics.plasm-ph)FOS: Physical sciencesFOS: Physical sciences
• Training Distributed Deep Recurrent Neural Networks with Mixed Precision on GPU Clusters
  In this paper, we evaluate training of deep recurrent neural networks with half-precision floats. We implement a distributed, data-parallel, synchronous training algorithm by integrating TensorFlow and CUDA-aware MPI to enable execution across multiple GPU nod…
  datacite Svyatkovskiy, Alexey, Kates-Harbeck, Julian, Tang, William 2019 置信度 0.66 Machine Learning (cs.LG)FOS: Computer and information sciencesFOS: Computer and information sciences
• The JOREK non-linear extended MHD code and applications to large-scale instabilities and their control in magnetically confined fusion plasmas
  JOREK is a massively parallel fully implicit non-linear extended MHD code for realistic tokamak X-point plasmas. It has become a widely used versatile code for studying large-scale plasma instabilities and their control developed in an international community.…
  datacite Hoelzl, M, Huijsmans, GTA, Pamela, SJP, Becoulet, M 等 2020 置信度 0.66 Plasma Physics (physics.plasm-ph)Computational Physics (physics.comp-ph)FOS: Physical sciencesFOS: Physical sciences
• Measuring the Electron Temperature and Identifying Plasma Detachment using Machine Learning and Spectroscopy
  A machine learning approach has been implemented to measure the electron temperature directly from the emission spectra of a tokamak plasma. This approach utilized a neural network (NN) trained on a dataset of 1865 time slices from operation of the DIII-D toka…
  datacite Samuell, C. M., Mclean, A. G., Johnson, C. A., Glass, F. 等 2020 置信度 0.66 Plasma Physics (physics.plasm-ph)Instrumentation and Detectors (physics.ins-det)FOS: Physical sciencesFOS: Physical sciences
• Drift kinetic theory of alpha transport by tokamak perturbations
  Upcoming tokamak experiments fueled with deuterium and tritium are expected to have large alpha particle populations. Such experiments motivate new attention to the theory of alpha particle confinement and transport. A key topic is the interaction of alphas wi…
  datacite Tolman, Elizabeth A., Catto, Peter J. 2020 置信度 0.66 Plasma Physics (physics.plasm-ph)FOS: Physical sciencesFOS: Physical sciences
• A self-consistent model of the plasma staircase and nonlinear Schrödinger equation with subquadratic power nonlinearity
  A new basis has been found for the theory of self-organization of transport avalanches and jet zonal flows in L-mode tokamak plasma, the so-called "plasma staircase." The jet zonal flows are considered as a wave packet of coupled nonlinear oscillators characte…
  datacite Milovanov, Alexander V., Rasmussen, Jens Juul, Dif-Pradalier, Guilhem 2021 置信度 0.66 Plasma Physics (physics.plasm-ph)Chaotic Dynamics (nlin.CD)FOS: Physical sciencesFOS: Physical sciences
• A new technique for tokamak edge density measurement based on microwave interferometer
  Novel approach for density measurements at the edge of a hot plasma device is presented - Microwave Interferometer in the Limiter Shadow (MILS). The diagnostic technique is based on measuring the change in phase and power of a microwave beam passing tangential…
  datacite Usoltceva, Mariia, Heuraux, Stéphane, Khabibullin, Ildar, Faugel, Helmut 2021 置信度 0.66 Plasma Physics (physics.plasm-ph)FOS: Physical sciencesFOS: Physical sciences
• On Use Of Semiconductor Detector Arrays On Compass Tokamak
  Semiconductor detector arrays are widely used in high-temperature plasma diagnostics. They have a fast response, which allows observation of many processes and instabilities in tokamaks. In this paper, there are reviewed several diagnostics based on semiconduc…
  datacite V. Weinzettl, M. Imrisek, J. Havlicek, J. Mlynar 等 2012 置信度 0.66 Bolometryplasma diagnosticssoft X-raystokamak.
• On Use Of Semiconductor Detector Arrays On Compass Tokamak
  Semiconductor detector arrays are widely used in high-temperature plasma diagnostics. They have a fast response, which allows observation of many processes and instabilities in tokamaks. In this paper, there are reviewed several diagnostics based on semiconduc…
  datacite V. Weinzettl, M. Imrisek, J. Havlicek, J. Mlynar 等 2012 置信度 0.66 Bolometryplasma diagnosticssoft X-raystokamak.
• Automatisierter Entwurf magnetischer Divertor-Konfigurationen für die optimale Wärmeleistungsabfuhr
  The so-called divertor is the standard particle and power exhaust system of nuclear fusion tokamaks. In essence, the magnetic configuration hereby `diverts' the plasma to a specific divertor structure. The design of this divertor is still a key issue to be res…
  datacite Blommaert, M. 2017 置信度 0.66 continuous adjoint method ; computational fluid dynamics ; plasma edge transport simulation ; free-boundary magnetic equilibrium ; globalized one-shot optimization ; PDE-constrained optimization ; magnetic confinement fusion ; divertor power exhaust
• An experimental investigation into tokamak edge MHD behaviour
  The HELIOS-CELESTE hybrid diagnostic (Carolan et al., 2001) is a multi-chord, multi-time active spectroscopic diagnostic attached to the COMPASS-D (Fielding et al., 1996) tokamak. Line intensity ratios from a neutral helium jet are used to measure ne and Te at…
  datacite Phill Jones 2014 置信度 0.66 Plasma Physics
• Magnetic islands under the influence of heating and current
  This is an invited talk given at the annual UKMHD Meeting, which took place at Durham University, 20-21 April 2017. The talk was entitled "Magnetic islands under the influence of heating and current". Abstract: Magnetic reconnection is a fundamental processes …
  datacite Pratt, Jane 2017 置信度 0.66 Computational PhysicsPlasma Physics20204 Plasma Physics; Fusion Plasmas; Electrical DischargesFOS: Physical sciencesFOS: Physical sciences
• High-power gyrotrons for electron cyclotron heating and current drive
  In many tokamak and stellarator experiments around the globe that are investigating energy production via controlled thermonuclear fusion, electron cyclotron heating and current drive (ECH&CD) are used for plasma start-up, heating, non-inductive current dr…
  datacite Thumm, Manfred, Denisov, G. G., Sakamoto, Keishi, Tran, Minh Quang 2019 置信度 0.66
• Efd-P(13)59 Effects Of Magnetic Shear On Toroidal Rotation In Tokamak Plasmas With Lhcd
  Application of lower hybrid current drive (LHCD) in tokamak plasmas can induce both co- and counter-current directed changes in toroidal rotation, depending on the core magnetic shear, s. For discharges with s > 1, rotation increments in the countercurrent …
  datacite J.E. Rice, Y.A. Podpaly, M.L. Reinke, R. Mumgaard 等 2013 置信度 0.66
• Efd-P(13)61 Key Impact Of Energetic Ions On The Establishment Of Advanced Tokamak Regimes
  Detailed gyrokinetic and magnetohydrodynamic (MHD) analyses show how a population of energetic ions in a tokamak reduces microturbulence and at the same time improves MHD stability by significantly modifying the pressure profile in the plasma core. For the fir…
  datacite J. Garcia, J. Citrin, G. Giruzzi, P. Maget 等 2013 置信度 0.66
• Efd-P(13)38 Response Of Labr3(Ce) Scintillators To 2.5Mev Fusion Neutrons
  Measurements of the response function of LaBr3(Ce) to 2.5MeV neutrons have been carried out at the Frascati Neutron Generator and at tokamak facilities with deuterium plasmas. The observed spectrum has been interpreted by means of a MCNP model. It is found tha…
  datacite C. Cazzaniga, M. Nocente, M. Tardocchi, G. Croci 等 2013 置信度 0.66
• Efd-P(13)37 Tomographic Analysis Of Neutron And Gamma Pulse Shape Distributions From Liquid Scintillation Detectors At Jet
  The Joint European Torus (JET, Culham, UK) is the largest tokamak in the world devoted to nuclear fusion experiments of magnetic confined Deuterium (D)/Deuterium-Tritium (DT) plasmas. Neutrons produced in these plasmas are measured using various types of neutr…
  datacite L. Giacomelli, S. Conroy, G. Gorini, L. Horton 等 2013 置信度 0.66
• Efd-P(13)16 Nonlinear Stabilization Of Tokamak Microturbulence By Fast Ions
  J. Citrin, F. Jenko, P. Mantica, D. Told, C. Bourdelle, J. Garcia, J.W. Haverkort, G.M.D. Hogeweij, T. Johnson, M.J. Pueschel and JET EFDA contributors Nonlinear electromagnetic stabilization by suprathermal pressure gradients found in specific regimes is show…
  datacite J. Citrin, F. Jenko, P. Mantica, D. Told 等 2013 置信度 0.66
• Experimental results of amplitude modulation reflectometry on the FTU tokamak
  The amplitude modulation (AM) reflectometer realized for the FTU tokamak has been successfully operated in a wide range of plasma conditions. The reflectometer has been calibrated using the signal reflected by the inner part of the vacuum chamber (back wall) i…
  crossref M. Zerbini, P. Amadeo, P. Buratti 2002-07-26T12:03:30Z 置信度 0.70
• Fast single loop diamagnetic measurements on the TCV tokamak
  Measurement of the plasma generated diamagnetic flux on tokamak à configuration variable (TCV) is used to derive the plasma pressure, as on other magnetic confinement experiments. However, specificities of the device make the measurement more difficult: for pa…
  crossref J.-M. Moret, F. Buhlmann, G. Tonetti 2003-10-31T00:54:00Z 置信度 0.70
• Small-Scale Magnetic Fluctuations Inside the Macrotor Tokamak.
  crossref S. J. Zweben, C. R. Menyuk, R. J. Taylor 2002-07-27T04:00:44Z 置信度 0.70
• Measurements of the Effect of Tokamak Magnetic Field Helicity on Lower Hybrid Resonance Cones
  crossref P. M. Bellan 2002-07-27T04:05:59Z 置信度 0.70
• Grad-Shafranov Equilibria with Negative Core Toroidal Current in Tokamak Plasmas
  crossref Paulo Rodrigues, João P. S. Bizarro 2005-06-27T17:42:17Z 置信度 0.70
• Polarization in millimeter-wavelength collective Thomson scattering on FTU tokamak
  We investigate performance degradation caused in mm-wave collective Thomson scattering on the high-field tokamak FTU by the joint effects of refraction and polarization. It is shown that optimized performances can be recovered, in different parts of the FTU de…
  crossref U. Tartari, G. Grosso, S. Nowak 2002-07-26T12:04:50Z 置信度 0.70
• Physics analysis database for the DIII-D tokamak
  Centralized databases for handling reduced data for physics analysis have been implemented for the DIII-D tokamak. Each database record corresponds to a specific snapshot in time for a selected discharge. Features of the database environment include automatic …
  crossref D. P. Schissel, G. Bramson, J. C. DeBoo 2002-07-26T13:19:38Z 置信度 0.70
• Small-Scale Magnetic Fluctuations Inside the Macrotor Tokamak
  crossref S. J. Zweben, C. R. Menyuk, R. J. Taylor 2002-07-27T04:00:44Z 置信度 0.70
• Tokamak-independent software analysis suite for multi-spectral line-polarization MSE diagnostics
  A tokamak-independent analysis suite has been developed to process data from Motional Stark Effect (mse) diagnostics. The software supports multi-spectral line-polarization mse diagnostics which simultaneously measure emission at the mse σ and π lines as well …
  crossref S. D. Scott, R. T. Mumgaard 2016-07-20T17:00:22Z 置信度 0.70
• Anomalous Transport Scaling in the DIII-D Tokamak Matched by Supercomputer Simulation
  crossref J. Candy, R. E. Waltz 2003-07-23T20:47:45Z 置信度 0.70
• Magnetic-field scaling of dimensionally similar tokamak discharges
  crossref R. E. Waltz, J. C. DeBoo, M. N. Rosenbluth 2002-07-27T01:23:03Z 置信度 0.70
• Soft x-ray tomography diagnostic at the RTP tokamak
  An 80-channel soft x-ray tomography system has been constructed for diagnosing the RTP (Rijnhuizen Tokamak Project) tokamak plasma. Five pinhole cameras, each with arrays of 16 detectors are distributed more or less homogeneously around a poloidal plasma cross…
  crossref D. F. da Cruz, A. J. H. Donné 2002-07-26T13:58:11Z 置信度 0.70
• Role of Flow Shear in the Ballooning Stability of Tokamak Transport Barriers
  crossref A. J. Webster, H. R. Wilson 2004-04-22T21:16:06Z 置信度 0.70
• Supersaturation and nonlinear crash of tokamak sawtooth oscillations
  crossref Tetsuya Sato, Yuichiro Nakayama, Takaya Hayashi, Kunihiko Watanabe 等 2002-07-27T01:20:21Z 置信度 0.70
• An inversion technique to obtain full poloidal velocity profiles in a tokamak plasma (abstract)
  An inversion technique has been developed to calculate local poloidal rotation velocities of impurity ions from line-integrated measurements of an extended emission source in a tokamak plasma. This technique can recover radial spatial resolution that is lost d…
  crossref Ronald E. Bell 2002-07-26T12:03:30Z 置信度 0.70
• Multipoint Thomson scattering diagnostic for the ETE tokamak
  To measure the electron temperature and plasma density profiles on the Experimento Tokamak Esférico tokamak a multiplexed Thomson scattering diagnostic was implemented. The diagnostic is based on a 10 J ruby laser and a single five spectral channel filter poly…
  crossref L. A. Berni, M. P. Alonso, R. M. Oliveira 2004-10-06T22:56:58Z 置信度 0.70
• Runaway electrons in a Tokamak: A free-electron maser
  In Ohmic divertor plasma discharges of the ASDEX Upgrade tokamak a small population of runaway electrons is purposely generated at the beginning of the discharge. About 1.5 s after the runaways’ generation fluctuating emission in the microwave region with a ve…
  crossref B. Kurzan, K.-H. Steuer, W. Suttrop 2002-07-26T12:03:30Z 置信度 0.70
• Sequentially framing soft x-ray pinhole camera for tokamak plasma studies
  The x-ray camera techniques developed in laser fusion have been applied to view tokamak discharges in 1–3-keV light. The camera consists of an image intensifier fluor combination viewing the plasma tangentially through a pinhole. The resultant image is optical…
  crossref A. J. Lieber, R. Snider 2002-07-26T13:22:31Z 置信度 0.70
• Application of correlation techniques to the angular spectrum of scattered radiation from tokamak plasmas
  In the limit of the first Born approximation for a partially coherent secondary source consisting of a spatially random plasma illuminated by a coherent plane wave, it is shown that the spectral coherence of the scattered radiation conveys information on the t…
  crossref Raffi Nazikian 2002-07-26T13:22:31Z 置信度 0.70
• Fast reciprocating probe system on the HL-2A tokamak
  A reciprocating probe system has been installed at the midplane of the HL-2A tokamak. The probe is used to measure plasma edge density, temperature, floating potential, and corresponding fluctuation profiles with 8cm scan from the scrape-off layer to the plasm…
  crossref Longwen Yan, Wenyu Hong, Jun Qian, Cuiwen Luo 等 2005-09-15T22:01:44Z 置信度 0.70
• Nonthermal electron velocity distribution measured by electron cyclotron emission in Alcator C tokamak
  crossref K. Kato, I. H. Hutchinson 2002-07-27T01:13:58Z 置信度 0.70
• New data acquisition system for the JFT-2M tokamak
  A new VAX-based data acquisition and analysis system for JFT-2M has been developed to handle various types of data flexibly. It consists of two main VAX4200 computers sharing data disks (2GB*2) with DSSI cluster and distributed VAXstations. One VAX computer ac…
  crossref T. Matsuda, S. Hidekuma, M. Kojima, M. Suzuki 2002-07-26T12:37:13Z 置信度 0.70
• Stray light analysis for the Thomson scattering diagnostic of the ETE Tokamak
  Thomson scattering is a well-established diagnostic for measuring local electron temperature and density in fusion plasma, but this technique is particularly difficult to implement due to stray light that can easily mask the scattered signal from plasma. To mi…
  crossref L. A. Berni, B. F. C. Albuquerque 2010-12-15T00:01:45Z 置信度 0.70
• Enhancement of the spectroscopic method for mapping microwave fields in tokamak plasmas
  A significantly enhanced spectroscopic method for mapping microwave fields in tokamak plasmas is suggested. The method employs the laser-induced fluorescence from a hydrogen or deuterium beam. The first draft of the method was published by us previously and im…
  crossref V. P. Gavrilenko, E. Oks 2002-07-26T12:04:50Z 置信度 0.70
• Edge and core Thomson scattering systems and their calibration on the ASDEX Upgrade tokamak
  A new 10 channel Thomson scattering (TS) system was installed on the ASDEX Upgrade tokamak to measure radial profiles of electron density and temperature at the plasma edge with high radial resolution. Together with the already existing TS system, which is now…
  crossref B. Kurzan, H. D. Murmann 2011-10-05T15:09:08Z 置信度 0.70
• Plasma density measurements on COMPASS-C tokamak from electron cyclotron emission cutoffs
  Electron cyclotron emission (ECE) is a standard diagnostic in present day tokamak devices for temperature measurement. When the plasma density is high enough the emission at some frequencies is cut off. Of these cutoff frequencies, the first frequency to cut o…
  crossref D. Chenna Reddy, T. Edlington 2002-07-26T12:39:37Z 置信度 0.70
• Diamagnetic loop measurement in Korea Superconducting Tokamak Advanced Research machine
  Diamagnetic loop (DL), which consists of two poloidal loops inside the vacuum vessel, is used to measure the diamagnetic flux during a plasma discharge in the Korea Superconducting Tokamak Advanced Research (KSTAR) machine. The vacuum fluxes in the DL signal c…
  crossref J. G. Bak, S. G. Lee, H. S. Kim 2011-06-18T03:37:58Z 置信度 0.70
• cw dye laser system for Li-beam spectroscopy in a tokamak
  The current-density-profile diagnostic system developed for the Texas experimental tokamak (TEXT) employs a cw dye laser system to induce fluorescence in a Li beam injected into a tokamak. This laser has spectral and polarization modulation requirements not av…
  crossref W. P. West, D. M. Thomas 2002-07-26T13:17:39Z 置信度 0.70
• Charge-coupled detector readout method for visible emission profiling of a tokamak discharge
  A handy method and hardware for readout and display on a digital oscilloscope the repetitive visible emission profiles, obtained in the TJ-I tokamak with a standard linear charge-coupled detector, is presented. A detailed description of the electronics, alignm…
  crossref B. Zurro, L. Pacios 2002-07-26T13:19:34Z 置信度 0.70
• Bragg rotor spectrometer for tokamak diagnostics
  A high-throughput broadband (1–24-Å) x-ray spectrometer has been demonstrated on the divertor injection tokamak experiment (DITE) tokamak. A hexagonal rotor supporting six diffractors may be driven in several modes, ranging from a full spectral survey at ∼10 H…
  crossref R. Barnsley, K. D. Evans, N. J. Peacock, N. C. Hawkes 2002-07-26T13:17:39Z 置信度 0.70
• Design of the neutron multicollimator for Frascati tokamak upgrade
  The design of a six-channel one-dimensional neutron/x-ray camera (multicollimator) for the Frascati tokamak upgrade (FTU) machine is described only with regard to the aspects concerning the neutron measurements. The multicollimator, viewing a poloidal cross se…
  crossref P. Batistoni, B. Esposito, M. Martone, S. Mantovani 2002-07-26T13:58:11Z 置信度 0.70
• Measurement of H/D ratio and ion temperature on a HT-6M Tokamak
  By combining optical fibers with piezoelectric scanning Fabry–Perot interferometer, the profiles of Hα and Dα have been determined simultaneously in a single Tokamak discharge. Consequently, the ratio of hydrogen to deuterium and ion temperature are obtained. …
  crossref Lehan Wei, Xiaodong Lin 2002-07-26T12:03:30Z 置信度 0.70
• Geodesic Plasma Compressibility Effects on the Magnetic Islands in a Tokamak
  crossref A. I. Smolyakov, X. Garbet, M. Ottaviani 2007-08-02T21:56:47Z 置信度 0.70
• Real time measurement of plasma position in the SINP tokamak
  An electronic hardware has been developed for the real time determination of the position of the plasma column in the SINP tokamak. The method is based on the Fourier integration of the poloidal magnetic field using cos θ and sin θ coils. The spurious pickups …
  crossref S. K. Saha, A. Bal, R. Kumar 2002-07-26T12:03:30Z 置信度 0.70
• Thomson scattering diagnostic for the TdeV tokamak
  The Thomson scattering diagnostic system on the TdeV tokamak (R/a=87/27 cm, BT=1.5 T, Ip<300 kA) routinely monitors electron temperature (Te) and density (ne). The scattered light from a vertically oriented Nd:YAG laser beam (E=0.8 J, f=50 Hz, Δt=30 ns)…
  crossref A. Côté, D. Michaud, N. Richard, R. Neufeld 等 2002-07-26T12:36:59Z 置信度 0.70
• Turbulent Temperature Fluctuations in the Princeton Large Tokamak Plasma
  crossref V. Arunasalam, R. Cano, J. C. Hosea, E. Mazzucato 2002-07-27T03:58:14Z 置信度 0.70
• Tokamak ion temperature and poloidal field diagnostics using 3-MeV protons
  The 3-MeV protons created by d(d, p)t fusion reactions in a moderately sized tokamak leave the plasma on trajectories determined by the position of their birth and by the poloidal magnetic field. Pitch-angle resolution of the escaping 3-MeV protons can separat…
  crossref W. W. Heidbrink, J. D. Strachan 2002-07-26T13:17:39Z 置信度 0.70
• A high resolution Mirnov array for the Mega Ampere Spherical Tokamak
  Over the past two decades, the increase in neutral-beam heating and α particle production in magnetically confined fusion plasmas has led to an increase in energetic particle driven mode activity, much of which has an electromagnetic signature which can be det…
  crossref M. J. Hole, L. C. Appel, R. Martin 2010-01-01T00:11:20Z 置信度 0.70
• Magnetic measurements on the TCV Tokamak
  The TCV Tokamak was designed to create a large variety of plasma shapes. Such a large flexibility requires high precision magnetic measurements with a good spatial coverage. This article gives a detailed description of the magnetic sensor geometry, fabrication…
  crossref J.-M. Moret, F. Buhlmann, D. Fasel, F. Hofmann 等 2002-07-26T12:04:50Z 置信度 0.70
• Evidence of the complete magnetic reconnection during a sawtooth collapse in a tokamak
  crossref D. Wróblewski, R. T. Snider 2002-07-26T21:30:16Z 置信度 0.70
• 10-channel far-infrared polarimeter for the tokamak à configuration variable
  A new far-infrared polarimeter diagnostic for the tokamak à configuration variable (TCV) is under construction at CRPP. It uses two FIR lasers at 432.5μm, optically pumped by a 120W continuous wave CO2 laser. The two FIR cavities will be detuned such that the …
  crossref P. Blanchard, R. Behn, H. Weisen, A. Zhuchkova 2006-09-25T13:46:47Z 置信度 0.70
• FIR laser diagnostics on the JIPP T-IIU tokamak.
  crossref Kazuo KAWAHATA, Shigeki OKAJIMA, Akio YASUDA, Takashi AOKI 等 2011-12-16T04:38:06Z 置信度 0.70
• Infrared laser polarimetry for electron density measurement in tokamak plasmas
  The infrared CO2 laser polarimetry for electron density measurement based on the tangential Faraday rotation has been progressed in JT-60U tokamak. The reliability of polarimetry in a pellet-injected plasma was confirmed. The Faraday rotation was measured with…
  crossref Yasunori Kawano, Shin-ichi Chiba, Akira Inoue 2004-02-23T18:27:54Z 置信度 0.70
• Magnetohydrodynamic and turbulence activity analysis in the ISTTOK tokamak using empirical mode decomposition
  The understanding of the nature, driving mechanisms, and dynamics of turbulence activity in tokamak plasmas is a major challenge in fusion research. In the ISTTOK tokamak, edge turbulence activity has been extensively studied using both limiter and electrode b…
  crossref R. Coelho, D. Alves, C. Silva 2006-09-27T22:22:00Z 置信度 0.70
• Bootstrap Tokamak Reactor Driven by Fusion-Produced Alpha Particles
  crossref Ya. I. Kolesnichenko, D. Anderson, M. Lisak, H. Wilhelmsson 2002-07-27T04:13:21Z 置信度 0.70
• Drive characteristics of a fast movable limiter in the JT-60 tokamak
  A pair of fast-acting movable limiters are to be installed in the vacuum chamber of the JT-60 tokamak being designed at JAERI. Their purpose is to suppress skin current in the plasma column. They should travel across the vacuum chamber over a stroke of about 1…
  crossref T. Takashima, M. Ohta, M. Shimizu 2003-03-10T17:52:07Z 置信度 0.70
• Measurements of the nonthermal x-ray emission in the T-10 tokamak using CdTe detectors
  A diagnostic technique based on sets of CdTe detectors is used for measurements of spatial localization and temporal evolution of the nonthermal (Eγ up to 150 keV) x-ray emission in plasma with high density in the T-10 tokamak. Various types of x-ray bursts ob…
  crossref P. V. Savrukhin 2002-12-02T18:48:21Z 置信度 0.70
• Resistive-ballooning-mode characteristics in the tokamak edge region
  crossref G. S. Bevli, A. K. Sundaram, A. Sen 2002-07-27T01:04:36Z 置信度 0.70
• Second-Harmonic Generation at the Upper Hybrid Layer in the ST Tokamak
  crossref R. Cano, C. Etievant, J. Hosea 2002-07-27T03:52:58Z 置信度 0.70
• Dynamics of Tokamak Discharges Dominated by the Trapped-Electron Instability.
  crossref M. Cotsaftis, N. A. Krall, J. B. McBride 2002-07-27T04:31:36Z 置信度 0.70
• Identification and control of plasma vertical position using neural network in Damavand tokamak
  In this work, a nonlinear model is introduced to determine the vertical position of the plasma column in Damavand tokamak. Using this model as a simulator, a nonlinear neural network controller has been designed. In the first stage, the electronic drive and se…
  crossref H. Rasouli, C. Rasouli, A. Koohi 2013-02-22T00:39:28Z 置信度 0.70
• Feasibility of a motional Stark effect system on the TCV tokamak
  This article presents a feasibility study for a motional Stark effect diagnostic on the TCV tokamak. A numerical simulation code has been used to identify the optimal port arrangement and geometrical layout. It predicts the expected measurement accuracy for a …
  crossref M. R. Siegrist, N. Hawkes, H. Weisen 2004-09-13T22:03:23Z 置信度 0.70
• Total-magnetic reconnection during a major disruption in a tokamak
  crossref J. A. Goetz, R. N. Dexter, S. C. Prager 2002-07-27T01:28:12Z 置信度 0.70
• Accessibility and Energy Depositon of Lower-Hybrid Waves in a Tokamak with Density Fluctuations
  crossref Paul T. Bonoli, Edward Ott 2002-07-27T03:58:14Z 置信度 0.70
• Application of diamond window for infrared laser diagnostics in a tokamak device
  Chemical vapor deposited diamond disks have been successfully applied as the vacuum windows for infrared CO2 laser interferometry and polarimetry used in electron density measurement in the JT-60U tokamak. In comparison with the conventional zinc–selenide wind…
  crossref Yasunori Kawano, Shinichi Chiba, Akira Inoue 2003-12-19T23:12:07Z 置信度 0.70
• Experimental Observation of the Shear Alfvén Resonance in a Tokamak
  crossref F. D. Witherspoon, S. C. Prager, J. C. Sprott 2002-07-27T04:13:21Z 置信度 0.70
• Low Threshold Parametric Decay Backscattering Instability in Tokamak Electron Cyclotron Resonance Heating Experiments
  crossref E. Z. Gusakov, A. Yu. Popov 2010-09-09T18:23:08Z 置信度 0.70
• Near infrared spectroscopy of the divertor region in the Alcator C-Mod tokamak
  A new system for near infrared spectroscopic measurements (1.2–2.6 μm) is designed for the Alcator C-Mod tokamak. These measurements will provide a new window into understanding the physics of detached and/or high radiating plasmas. The system, located on top …
  crossref I. Furno, G. A. Wurden 2004-10-11T22:02:35Z 置信度 0.70
• Observation and analysis of maser activity in a tokamak plasma
  crossref R. F. Gandy, I. H. Hutchinson, D. H. Yates 2002-07-27T01:12:16Z 置信度 0.70
• Design of set-point weighting PIλ + Dμ controller for vertical magnetic flux controller in Damavand tokamak
  In this paper, a simple method is presented for tuning weighted PIλ + Dμ controller parameters based on the pole placement controller of pseudo-second-order fractional systems. One of the advantages of this controller is capability of reducing the disturbance …
  crossref H. Rasouli, A. Fatehi 2014-12-26T03:37:16Z 置信度 0.70
• Operation of flush-mounted probes in the TdeV tokamak
  An array of 16 flush-mounted probes (FMPs) has been installed in the outboard divertor plate of TdeV, giving a radial resolution of 3.3 mm at the plasma strike point. Extensive use during an aggressive, 14-month experimental campaign has yielded a massive data…
  crossref J. P. Gunn, C. Boucher, D. Desroches, A. Robert 2002-07-26T13:50:16Z 置信度 0.70