P. Woskoboinikow, D. Cohn, J. Machuzak, R. Myer, D. Rhee
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Gyrotron thomson scattering diagnostics of ions in D-T burning tokamaks
Collective Thomson scattering can be used to diagnose localized ion temperature as well as alpha particle velocity distribution and density in a D-T burning tokamak. With one diagnostic beam a simultaneous, but independent, measure of the bulk ion temperature and alpha particle parameters can be made. Use of a long pulse, millimeter-wave gyrotron offers a significant margin in signal to noise ratio capability (√Δfτ > 1,000) not previously possible with lasers.