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Large Diagnostic Neutral Beam Injectors of Budker Institute of Nuclear Physics

Large Diagnostic Neutral Beam Injectors of Budker Institute of Nuclear Physics. V.Davydenko. Budker Institute of Nuclear Physics, 630090, Novosibirsk , Russia. Outline. RUDI DNBI W-7X DNBI H - sources at BINP. Diagnostic neutral beam injector RUDI. RUDI at TCV. RUDI ion source.

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Large Diagnostic Neutral Beam Injectors of Budker Institute of Nuclear Physics

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  1. Large Diagnostic Neutral Beam Injectors of Budker Institute of Nuclear Physics V.Davydenko Budker Institute of Nuclear Physics, 630090, Novosibirsk, Russia

  2. Outline • RUDI DNBI • W-7X DNBI • H- sources at BINP

  3. Diagnostic neutral beam injector RUDI

  4. RUDI atTCV

  5. RUDI ion source Eb= 50–53 keV Ib= 2–2.8 A T= 2–10 s δα≈0.5° F= 4 m 1- soft metal case, 2 - gas feeding tube, 3 - inner magnetic shield, 4 - trigger, 5 - ceramic wall, 6 - RF coil, 7 - pull stud (insulator), 8 - ceramic spacers, 9 – beam duct, 10 - water inlet manifold, 11 - grounded grid, 12 - accelerating grid, 13 - extracting grid, 14 - plasma grid, 15 - magnets, 16 - co-axial feedthrough

  6. Geometrical beam focusing

  7. RUDI grid set

  8. CVI 5290 Ǻ line emission intensity at TEXTOR

  9. DNBI arrangement atW-7X DNBI

  10. DNBI W-7X ion source Eb= 60 keV Ib= 10–12 A T=10–60 s F= 6 m

  11. Electrode of DNBI W-7X ion optical system water channels

  12. H- sources at BINP • 10 A, 25 keV, 0.01 s pulse H- ion source • 15-50 mA, 30 keV DC H- ion sources The beams can be accelerated up to 150-200 keV

  13. Summary BINP is ready to participate in ITER DNBI development

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