Measuring the escaping beam ions from a tokamak plasma
Journal Article
·
· Rev. Sci. Instrum.; (United States)
A new technique using a silicon surface barrier (SSB) diode has been developed for measuring the escaping fast ion flux from a tokamak plasma. Calibration of the detector with an ion beam showed that at a fixed energy the diode's output current varied linearly with the incident deuteron flux. The diode was mounted inside the PDX vacuum vessel with collimating apertures designed to admit the spiraling orbits of 50-keV deuterons expelled from the plasma by MHD instabilities. Results from PDX indicated that relative measurements of the escaping fast ion flux due to several plasma instabilities could be made.
- Research Organization:
- Princeton Plasma Physics Lab. (PPPL), Princeton, NJ (United States)
- OSTI ID:
- 5914183
- Journal Information:
- Rev. Sci. Instrum.; (United States), Vol. 58:12
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
PDX DEVICES
PLASMA DIAGNOSTICS
SURFACE BARRIER DETECTORS
CALIBRATION
ION BEAMS
PLASMA INSTABILITY
RESPONSE FUNCTIONS
SANDIA LABORATORIES
SILICON DIODES
TOKAMAK DEVICES
BEAMS
CLOSED PLASMA DEVICES
FUNCTIONS
INSTABILITY
MEASURING INSTRUMENTS
NATIONAL ORGANIZATIONS
RADIATION DETECTORS
SEMICONDUCTOR DETECTORS
SEMICONDUCTOR DEVICES
SEMICONDUCTOR DIODES
THERMONUCLEAR DEVICES
US AEC
US DOE
US ERDA
US ORGANIZATIONS
700102* - Fusion Energy- Plasma Research- Diagnostics
PDX DEVICES
PLASMA DIAGNOSTICS
SURFACE BARRIER DETECTORS
CALIBRATION
ION BEAMS
PLASMA INSTABILITY
RESPONSE FUNCTIONS
SANDIA LABORATORIES
SILICON DIODES
TOKAMAK DEVICES
BEAMS
CLOSED PLASMA DEVICES
FUNCTIONS
INSTABILITY
MEASURING INSTRUMENTS
NATIONAL ORGANIZATIONS
RADIATION DETECTORS
SEMICONDUCTOR DETECTORS
SEMICONDUCTOR DEVICES
SEMICONDUCTOR DIODES
THERMONUCLEAR DEVICES
US AEC
US DOE
US ERDA
US ORGANIZATIONS
700102* - Fusion Energy- Plasma Research- Diagnostics