Large Diagnostic Neutral Beam Injectors of Large Diagnostic Neutral Beam Injectors of Budker Institute of Nuclear PhysicsBudker Institute of Nuclear Physics

Budker Institute of Nuclear Physics, 630090, Novosibirsk, Russia

V.Davydenko

OutlineOutline

RUDI DNBI

W-7X DNBI

H- sources at BINP

Diagnostic neutral beam injector RUDIDiagnostic neutral beam injector RUDI

ionsou rce

beam line andV-target

TEXTOR

plasm a

deflection m agnet

Vacuu m p um psys tem

neutralizationcham ber

cryopum pscalorim eter

RF s

our

ce

R0

O b se rva tio n p o rts

RUDI RUDI atat TCVTCV

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

Eb= 50–53 keV

Ib= 2–2.8 A

T= 2–10 s

δα ≈ 0.5°

F= 4 m

RUDI ion sourceRUDI ion source

Geometrical beam focusingGeometrical beam focusing

RUDI grid setRUDI grid set

CVI 5290 CVI 5290 Ǻ line emission intensity at TEXTORǺ line emission intensity at TEXTOR

DNBI arrangement atDNBI arrangement at W-7XW-7X

DNBI

DNBI W-7X ion sourceDNBI W-7X ion source

Eb= 60 keVIb= 10–12 AT=10–60 sF= 6 m

Electrode of DNBI W-7X ion optical systemElectrode of DNBI W-7X ion optical system

water channels

HH-- sources at BINP 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

SummarySummary

BINP is ready to participate in ITER DNBI development