electron cyclotron resonance plasma
Electron Energy Loss Spectroscopy of Carbon Films Prepared by Electron Cyclotron Resonance Plasma Sputtering
... Electron diffraction provided some information about or- dered arrangement of carbon atoms. The diffraction pattern recorded from various parts of this film was diffusive concen- tric rings, i.e. the halo pattern, ...
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Efficient Heating at the Third-Harmonic Electron Cyclotron Resonance in the Large Helical Device
... the electron cyclotron res- onance (ECR) is an attractive method to extend the heat- ing regime of plasma parameters by alleviating the den- sity limitation due to some cuto ff s of EC wave propaga- ...
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Resonance Cones in the Field Pattern of a Short Radio Frequency Probe in a Warm Anisotropic Plasma
... cone whose axis is parallel to the static magnetic field and whose opening angle is observed to vary with incident probe frequency, electron cyclotron frequency, and electron plasma freq[r] ...
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Advanced electron cyclotron heating and current drive experiments on the stellarator Wendelstein 7-X
... the plasma-wetted areas leading to a depletion of impurities from deeper trapped ...ion cyclotron resonance heating could speed up the time consuming ECRH wall ...
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Mitigation of energetic electrons in the magnetosphere by amplified whistler wave under double cyclotron resonances
... relativistic plasma can also excite electromagnetic instability through the electron cyclotron resonance interaction (Tsurutani and Smith, 1974; Nunn et ...
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Physics of Heliotron J Confinement
... of electron cyclotron resonance (ECR)/neutral beam injection (NBI)/ion cyclotron range of frequencies (ICRF) heating plasmas have been made for understanding global energy confinement in ...
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Verification of Polarization Reversal of Electromagnetic Waves with Electron Cyclotron Frequency Controlling Plasma-Structure Formation
... an electron cyclotron resonance (ECR) region in inhomogeneously magnetized plasmas, where m is an azimuthal mode ...the plasma column. Furthermore, we investigate plasma-potential ...
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ICRF Heating in Helical Reactor
... by electron and tritium normalized by initial wave ...the plasma density, and the por- tion of absorption by electron and tritium was ...the cyclotron reso- nance of tritium, electrons start ...
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Design and Research of Electron Cyclotron Resonance Heating and Current Dive System on HL-2M Tokamak
... Based on the operation experience on HL-2A for many years, the basic control system was also constructed around PLC for the test bed and HL-2M ECRH system. The timing of gyrotron pulses as well as the launcher rotation ...
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Study on Poloidal and Toroidal Electric Field Generations by Electron Cyclotron Heating in a Helical Plasma
... Electron cyclotron heating (ECH) accelerates elec- trons perpendicularly, and generates trapped particles that tend to localize at the resonance ...
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Design and development of the ITER CTS diagnostic
... the plasma, the probing beam will be scattered off fluctuations primarily due to the dynamics of the ...the plasma edge where a = ...fundamental electron cyclotron resonance, which is ...
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Influence of the Plasma Column Cross-Section Non-Circularity on the Excitation of the Azimuthal Surface Waves in Electron Cyclotron Frequency Range by Annular Electron Beam
... of plasma electronic devices [16, ...the plasma column cross section. Additionally, the effect that the plasma cross section shape has on the LF ASW dispersion properties has been investigated in the ...
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Progress of ECRH by EBW in over-dense plasmas and controlling the confinement regime by ECCD with high power launching in LHD
... (SDC) plasma in LHD, [2] study of ECRH by the EBW has grown in ...the electron density at the electron cyclotron resonance (ECR) layer exceeds the cutoff density of the electron ...
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Top Launch for Higher Off-axis Electron Cyclotron Current Drive Efficiency
... Launch" electron cyclotron current drive (ECCD) is one promising method for driving strong off-axis current to achieve the desired broad current profile for the Advanced Tokamak ...the electron ...
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A gyrokinetic analysis of electron plasma waves at resonance in magnetic field gradients
... Ion cyclotron heating, on the other hand, is perhaps the most successful system used thus far, involving the launching of ion cyclotron waves into the plasma which are then absorbed through ...
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Microwave Reflection from the Region of Electron Cyclotron Resonance Heating in the L-2M Stellarator
... the plasma region that is the source of the quasi-steady signal can be determined by analyzing variations in the phase of this ...average plasma density on the path of the incident and reflected ...
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Study of Optical Properties of Tokamak Plasma
... tokamak plasma, the electrons are confined by total helicoidal magnetic field and they are subject to Lorentz’s force which allows them to gyrate around the field ...as electron cyclotron emission ...
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Estimation of the j × B Force Produced by Electron Cyclotron Heating in HSX Plasma
... Many experiments suggest an important role of toroidal flow in turbulence transport. Recently, sponta- neous toroidal flows have been observed in electron cy- clotron heating (ECH) plasma in many tokamak ...
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Helicon Wave Propagation in Low Diverging Magnetic Fields.
... an electron interaction ...the plasma, unlike at high fields where it is confined to the plasma ...the electron thermal speed, and thus Landau damping could be very effective under these ...
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Recent Progress of 2MW 140GHz ECRH System on HL-2A
... high-performance plasma, such as active current profile control, neoclassical tearing modes suppression, transport study and so on, a new 2MW/140GHz/3s second-harmonic ECRH system with X-mode injection is on ...
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