Observation of the parametric decay instability during electron cyclotron resonance heating on the Versator II tokamak
Journal Article
·
· Phys. Fluids; (United States)
Observations are reported on a nonlinear, three-wave interaction process occurring during high-power electron cyclotron heating in the Versator II tokamak. The measured spectra and the threshold power are consistent with a model in which the incident power in the extraordinary mode of polarization decays at the upper-hybrid resonance layer into a lower-hybrid wave and an electron Bernstein wave.
- Research Organization:
- Plasma Fusion Center and Department of Physics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139
- OSTI ID:
- 5118871
- Journal Information:
- Phys. Fluids; (United States), Journal Name: Phys. Fluids; (United States) Vol. 25:9; ISSN PFLDA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
700107 -- Fusion Energy-- Plasma Research-- Instabilities
700108* -- Fusion Energy-- Plasma Research-- Wave Phenomena
BERNSTEIN MODE
CLOSED PLASMA DEVICES
DECAY INSTABILITY
ECR HEATING
ELECTRONS
ELEMENTARY PARTICLES
ENERGY
FERMIONS
HEATING
HIGH-FREQUENCY HEATING
HYBRID RESONANCE
INSTABILITY
INTERACTIONS
ION WAVES
LEPTONS
NONLINEAR PROBLEMS
OSCILLATION MODES
PARAMETRIC INSTABILITIES
PLASMA
PLASMA HEATING
PLASMA INSTABILITY
PLASMA MACROINSTABILITIES
PLASMA WAVES
POWER
RESONANCE
THERMONUCLEAR DEVICES
THRESHOLD ENERGY
TOKAMAK DEVICES
700107 -- Fusion Energy-- Plasma Research-- Instabilities
700108* -- Fusion Energy-- Plasma Research-- Wave Phenomena
BERNSTEIN MODE
CLOSED PLASMA DEVICES
DECAY INSTABILITY
ECR HEATING
ELECTRONS
ELEMENTARY PARTICLES
ENERGY
FERMIONS
HEATING
HIGH-FREQUENCY HEATING
HYBRID RESONANCE
INSTABILITY
INTERACTIONS
ION WAVES
LEPTONS
NONLINEAR PROBLEMS
OSCILLATION MODES
PARAMETRIC INSTABILITIES
PLASMA
PLASMA HEATING
PLASMA INSTABILITY
PLASMA MACROINSTABILITIES
PLASMA WAVES
POWER
RESONANCE
THERMONUCLEAR DEVICES
THRESHOLD ENERGY
TOKAMAK DEVICES