NDLI: Low pressure and high power rf sources for negative hydrogen ions for fusion applications (ITER neutral beam injection).

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Preface: Proceedings of the 12th International Conference on Ion Sources. Jeju, Korea, 26-31 August 2007.

Refractory rf ovens and sputter probes for electron cyclotron resonance ion source.

Design, construction, and first commissioning results of superconducting source for ions at NSCL/MSU.

Ion beam development for the needs of the JYFL nuclear physics programme.

Performance of an electron cyclotron resonance ion source designed for isotope ratio mass spectrometry.

Electron cyclotron resonance ion sources with arc-shaped coils.

Development of gas pulsing system for electron cyclotron resonance ion source.

Ohmic heated sheet for the Ca ion beam production.

Microwave field distribution and electron cyclotron resonance heating process.

Status report of stable and radioactive ion beam production at GANIL.

The influence of magnetic field configuration on an electron cyclotron resonance ion source.

Development of an 18 GHz superconducting electron cyclotron resonance ion source at RCNP.

Multicharged iron ions produced by using induction heating vapor source.

Afterglow mode and the new micropulsed beam mode applied to an electron cyclotron resonance ion source.

Study of pulsed electron cyclotron resonance ion source plasma near breakdown: the preglow.

Intense beam production of highly charged heavy ions by the superconducting electron cyclotron resonance ion source SECRAL.

Simulation and beamline experiments for the superconducting electron cyclotron resonance ion source VENUS.

Multiaperture ion beam extraction from gas-dynamic electron cyclotron resonance source of multicharged ions.

Compact 2.45 GHz microwave ion/atom source.

Deduction of edge electron density with multiply charged ions in ORNL volume-type electron cyclotron resonance ion source.

Ion source development at KVI.

Fourth generation electron cyclotron resonance ion sources.

Effects of fundamental and second harmonic electron cyclotron resonances on ECRIS.

Measurements and analysis of bremsstrahlung x-ray spectrum obtained in NANOGAN electron cyclotron resonance ion source.

A status report of the multipurpose superconducting electron cyclotron resonance ion source.

New superconducting electron cyclotron resonance ion source for RIKEN RI beam factory project.

Application of compact electron cyclotron resonance ion source.

The influence of ambipolarity on plasma confinement and on the performance of electron cyclotron resonance ion sources.

First plasma of the A-PHOENIX electron cyclotron resonance ion source.

Electron cyclotron resonance ion source experience at the Heidelberg Ion Beam Therapy Center.

Helicon plasma generator-assisted surface conversion ion source for the production of H(-) ion beams at the Los Alamos Neutron Science Center.

Efficient negative ion production in rf plasmas using a mesh grid bias method.

Effect of energy relaxation of H(0) atoms at the wall on the production profile of H(-) ions in large negative ion sources.

A radio frequency driven H(-) source for Linac4.

Development and operation of a Cs-free J-PARC H(-) ion source.

D(-)/H(-) negative ion production versus plasma parameters in a volume negative ion source.

Enhancement of pure volume negative ion production using a grid bias method or a magnetic filter method.

Energy straggling of low-energy ion beam in a charge exchange cell for negative ion production.

Analysis of electron energy distribution of an arc-discharge H(-) ion source with Monte Carlo simulation.

Low pressure and high power rf sources for negative hydrogen ions for fusion applications (ITER neutral beam injection).

A beam transport system for an intense He(-) beam source.

An ion source research facility.

Tungsten filament material and cesium dynamic equilibrium effects on a surface converter ion source.

New developments in multicusp H(-) ion sources for high energy accelerators.

Physics basis and future trends for negative ion sources.

Photodetachment diagnostics of a volume production type negative ion source with a diode-laser.

Optical measurement of Cs distribution in the large negative ion source.

Long pulse production of high current D(-) ion beams in the JT-60 negative ion source.

The negative hydrogen Penning ion gauge ion source for KIRAMS-13 cyclotron.

Direct current H(-) source for boron neutron capture therapy tandem accelerator.

Performance optimization of H(-) multicusp ion source for KIRAMS-30 cyclotron.

Beam characteristics of the new DESY H(-) source and investigations of the plasma load.

Surface discharge related properties of fiberglass reinforced plastic insulator for use in neutral beam injector of JT-60U.

Spatial structure of electric potential near the extraction region in Cs-seeded H(-) ion sources.

Effects of external magnetic filter on behaviors of fast primary electrons in a volume negative ion source.

Numerical analysis of H(-) ion transport processes in Cs-seeded negative ion sources.

Investigation of an electron string ion source with field emission cathode.

Molecule fragmentation at the Dresden EBIS-A.

Compact electron beam ion sources/traps: review and prospects.

Calculation of extracted ion beam particle distribution including within-extractor collisions from H-alpha Doppler shift measurements.

The MAXEBIS at GSI as a test ion source for charge breeding and for HITRAP.

A high-current electron beam ion trap as a charge breeder for the reacceleration of rare isotopes at the NSCL.

Status of the electron cyclotron resonance charge breeder for the (252)Cf fission source project at ATLAS.

The ECRIS charge state breeding project at TRIUMF.

Status of ionization by radial electron neat adaptation ion source research and development for SPIRAL2 and EURISOL-DS.

Development of a 1+/N+ setup for the production of multicharged radioactive alkali ions in SPIRAL.

Status of the PHOENIX electron cyclotron resonance charge breeder at ISOLDE, CERN.

KEKCB electron cyclotron resonance charge breeder at TRIAC.

The radioactive ion beam production systems for the SPIRAL2 project.

An overview on TRIUMF's developments on ion source for radioactive beams.

European research activities on charge state breeding related to radioactive ion beam facilities.

Application of cryotarget to laser ion source.

Feasibility study of a laser ion source for primary ion injection into the Relativistic Heavy Ion Collider electron beam ion source.

Temporal development of ion beam mean charge state in pulsed vacuum arc ion sources.

Inverted end-Hall-type low-energy high-current gaseous ion source.

A 140 mA cw deuteron electron cyclotron resonance source for the IFMIF-EVEDA project.

High current multicharged metal ion source using high power gyrotron heating of vacuum arc plasma.

Dependence of size distribution for liquid cluster ions on retarding voltage.

Enhancement of SPES source performances.

Side extraction duoPIGatron-type ion source.

RCNP polarized (3)He ion source.

Development of C(60) plasma ion source for time-of-flight secondary ion mass spectrometry applications.

Study on an azimuthal line cusp ion source for the KSTAR neutral beam injector.

Ag ion generation irradiated by Nd:YAG laser onto solid target for use of direct plasma injection scheme.

Linear ion source with closed drift and extended acceleration region.

Bernas ion source discharge simulation.

Direct plasma injection scheme in accelerators.

DUHOCAMIS: a dual hollow cathode ion source for metal ion beams.

Development of a high efficiency proton source for the Frankfurter-Neutronen-Quelle am Stern-Gerlach-Zentrum.

Development of an all-permanent-magnet microwave ion source equipped with multicusp magnetic fields for high current proton beam production.

Compact E x B mass separator for heavy ion beams.

Electrostatic instability of electron beams in a planar E x B amplifier.

Experimental study of hot electrons in LECR2M plasma.

Measurement of plasma potential of liquid-He-free superconducting electron cyclotron resonance ion source.

Some plasma aspects and plasma diagnostics of ion sources.

Experimental comparison of time-of-flight mass analysis with magnetic mass analysis.

Formation of an ion beam in an elementary cell with inhomogeneous emission current density.

Preliminary results of the ion extraction simulations applied to the MONO1000 and SUPERSHyPIE electron cyclotron resonance ion sources.

High current ion beam transport using solenoids.

Beam extraction from a Hall-type ion accelerator.

Experimental results of an electron cyclotron resonance oxygen source and a low energy beam transport system for 1 MeV integral split ring radio frequency quadruple accelerator upgrade project.

Investigation of helicon ion source extraction systems.

Diagnostics of a He(+) beam extracted from a compact magnetic bucket-type ion source.

Negative ion transport inside collisional presheaths.

BETSI, a new test bench for ion sources optimization at CEA SACLAY.

An electron cyclotron resonance ion source based low energy ion beam platform.

Development of low energy ion beam system for space charge compensation experiments.

Study on proton fraction of beams extracted from electron cyclotron resonance ion source.

Experimental evidences for emittance degradation by space charge effect when using a focusing solenoid below an electron cyclotron resonance ion source.

Compact magnetic quadrupole triplet for a low-energy high-current ion beam transport.

Prospects of ion beam extraction and transport simulations.

Understanding extraction and beam transport in the ISIS H(-) Penning surface plasma ion source.

Generation of space charge compensated low energy ion flux.

Beam formation by ion optical system with slit finite length apertures.

In-line ion detector.

Front-end simulation of injector for terawatt accumulator.

Electron cyclotron resonance 140 mA D(+) beam extraction optimization for IFMIF EVEDA accelerator.

Inductive coupled radio frequency plasma bridge neutralizer.

Progress in modeling and numerical simulation of negative hydrogen ion sources.

Arc plasma simulation of the KAERI large ion source.

Modeling of surface-dominated plasmas: from electric thruster to negative ion source.

Evaluation and utilization of beam simulation codes for the SNS ion source and low energy beam transport development.

Validated simulation of the ion extraction grid lifetime.

Electron cyclotron resonance charge breeder ion source simulation by MCBC and GEM.

Investigation of rf power absorption in the plasma of helicon ion source.

Model simulations of continuous ion injection into electron-beam ion source trap with slanted electrostatic mirror.

Importance of electric field for H(-) extraction in a volume-type hydrogen negative ion source.

Simulation studies on the evolution of gallium nitride on a liquid gallium surface under plasma bombardment.

Two-dimensional/three-dimensional simulations for the optimization of an electron-beam-generated-plasma-based-type ion source.

Long pulse beam extraction with a prototype ion source for the KSTAR neutral beam system.

Ion source for neutral beam injection meant for plasma and magnetic field diagnostics.

Ion sources with arc-discharge plasma box driven by directly heated LaB(6) electron emitter or cold cathode.

An ion optics study for KSTAR neutral beam injector development.

Spectroscopic observations of beam and source plasma light and testing Cs-deposition monitor in the large area negative ion source for LHD-NBI.

Long-pulse arc-discharge plasma source with cold cathode for diagnostic neutral beam injector.

Neutral beam injection with an improved accelerator for LHD.

Long pulse large area beam extraction with a rf driven H(-)/D(-) source.

Status of the ITER neutral beam injection system.

Acceleration of ampere class H(-) ion beam by MeV accelerator.

Uniform H(-) ion beam extraction in a large negative ion source with a tent-shaped magnetic filter.

Negative ion production in cesium seeded high electron temperature plasmas.

Development of a strongly focusing high-intensity He(+) ion source for a confined alpha particle measurement at ITER.

Beamlet deflection due to beamlet-beamlet interaction in a large-area multiaperture negative ion source for JT-60U.

Hyperthermal neutral beam sources for material processing.

Highly charged ion beam applied to lithography technique.

Multiply charged carbon-ion production for medical application.

Status of ITEP decaborane ion source program.

Self-consistent circuit model for plasma source ion implantation.

Physical and chemical sputterings of solid surfaces irradiated by ethanol cluster ion beams.

Effect of ion beam irradiation on the structure of ZnO films deposited by a dc arc plasmatron.

Electron cyclotron resonance ion sources in use for heavy ion cancer therapy.

Negative-ion source applications.

Ion sources for energy extremes of ion implantation.

Hydrophilic property by contact angle change of ion implanted polycarbonate.

The change of atomic distribution and hardness by nitrogen implantation into aluminum alloy.

Surface characterization of carbon nanotubes irradiated by electron beam.

Time-of-flight analyzer system to detect reflected particles from a solid surface following low-energy particle injection.

Studies on x-ray and UV emissions in electron cyclotron resonance x-ray source.

Status of high current ion source operation at the GSI accelerator facility.

Fast triggers for a proton injector at PEFP.

Ion source and low energy injection line for a central region model cyclotron.

A control system of a negative hydrogen ion sources by using an EPICS-based proportional-integral-derivative.

Test results of the proton injector of the Proton Engineering Frontier Project accelerator.

Matching from H(-) multicusp source to central region of a 100 MeV compact cyclotron for high current injection.

First experimental results from 2 MeV proton tandem accelerator for neutron production.

High intensity production of high and medium charge state uranium and other heavy ion beams with VENUS.

Off-line ion source terminal for ISAC at TRIUMF.

A hybrid surface arc discharge ion source to produce ultra pure Ca(+2) beams for (40)Ca(alpha,gamma)(44)Ti reaction studies at ISAC/TRIUMF.

Status of the heavy ion beam probe system in the Large Helical Device.

Production of U beam from RIKEN 18 GHz electron cyclotron resonance ion source.

Laser generation of Au ions with charge states above 50+.

Direct plasma injection scheme with beam extraction in a radio frequency quadrupole linac cavity.

A discussion on the application and production of metal ion beams.

Development of a MeV proton beam irradiation system.

Extreme ultraviolet narrow band emission from electron cyclotron resonance plasmas.

Design of a proton microbeam of the PEFP.

H(-) ion source developments at the SNS.

Year: 2008 Volume: 79 Issue: 2 Part 1

Year: 2008 Volume: 79 Issue: 1

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Low pressure and high power rf sources for negative hydrogen ions for fusion applications (ITER neutral beam injection).

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Martens, C. Riedl, R. Gutser, R. Falter, H. D. McNeely, P. Wünderlich, D. Speth, E. Berger, M. Fantz, U. Heinemann, B. Christ-Koch, S. Fröschle, M. Franzen, P. Kraus, W.
Description	Country affiliation: Germany Author Affiliation: Fantz U ( Max-Planck-Institut fuer Plasmaphysik, EURATOM Association, Garching, Germany.)
Abstract	The international fusion experiment ITER requires for the plasma heating and current drive a neutral beam injection system based on negative hydrogen ion sources at 0.3 Pa. The ion source must deliver a current of 40 A D(-) for up to 1 h with an accelerated current density of 200 Am/(2) and a ratio of coextracted electrons to ions below 1. The extraction area is 0.2 m(2) from an aperture array with an envelope of 1.5 x 0.6 m(2). A high power rf-driven negative ion source has been successfully developed at the Max-Planck Institute for Plasma Physics (IPP) at three test facilities in parallel. Current densities of 330 and 230 Am/(2) have been achieved for hydrogen and deuterium, respectively, at a pressure of 0.3 Pa and an electron/ion ratio below 1 for a small extraction area (0.007 m(2)) and short pulses (<4 s). In the long pulse experiment, equipped with an extraction area of 0.02 m(2), the pulse length has been extended to 3600 s. A large rf source, with the width and half the height of the ITER source but without extraction system, is intended to demonstrate the size scaling and plasma homogeneity of rf ion sources. The source operates routinely now. First results on plasma homogeneity obtained from optical emission spectroscopy and Langmuir probes are very promising. Based on the success of the IPP development program, the high power rf-driven negative ion source has been chosen recently for the ITER beam systems in the ITER design review process.
ISSN	00346748
Part	Pt 2
Journal	Review of Scientific Instruments
Volume Number	79
Issue Number	2
e-ISSN	10897623
Language	English
Publisher	American Institute of Physics
Publisher Date	2008-02-01
Publisher Place	United States
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Discipline Physics Discipline Chemistry
Content Type	Text
Resource Type	Article
Subject	Medicine Instrumentation

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