Diamond neutral particle spectrometer for fusion reactor ITER

A compact diamond neutral particle spectrometer with digital signal processing has been developed for fast charge-exchange atoms and neutrons measurements at ITER fusion reactor conditions. This spectrometer will play supplementary role for Neutral Particle Analyzer providing 10 ms time and 30 keV e...

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Bibliographic Details
Main Authors: Krasilnikov, V, Amosov, V, Yu, Kaschuck, Skopintsev, D
Format: Conference Proceeding
Language:English
Subjects:
ATOMS
CHARGE EXCHANGE
CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
COUNTING RATES
DIAMONDS
Digital signal processing
Digital signal processors
DISTRIBUTION FUNCTIONS
ENERGY RESOLUTION
Fusion reactors
IONS
ITER TOKAMAK
MEV RANGE 10-100
NEUTRAL PARTICLE ANALYZERS
NEUTRAL PARTICLES
NEUTRON SPECTRA
NEUTRONS
Nuclear power plants
Nuclear reactors
PLASMA
PROCESSING
RADIATION HARDNESS
Signal processing
SIGNALS
TRITIUM
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Description
Summary:A compact diamond neutral particle spectrometer with digital signal processing has been developed for fast charge-exchange atoms and neutrons measurements at ITER fusion reactor conditions. This spectrometer will play supplementary role for Neutral Particle Analyzer providing 10 ms time and 30 keV energy resolutions for fast particle spectra in non-tritium ITER phase. These data will also be implemented for independent studies of fast ions distribution function evolution in various plasma scenarios with the formation of a single fraction of high-energy ions. In tritium ITER phase the DNPS will measure 14 MeV neutrons spectra. The spectrometer with digital signal processing can operate at peak counting rates reaching a value of 106 cps. Diamond neutral particle spectrometer is applicable to future fusion reactors due to its high radiation hardness, fast response and high energy resolution.
ISSN:0094-243X
1551-7616
DOI:10.1063/1.4894041