Extraction design and low energy beam transport optimization of space charge dominated multispecies ion beam sources
Identifieur interne : 001B92 ( Main/Exploration ); précédent : 001B91; suivant : 001B93Extraction design and low energy beam transport optimization of space charge dominated multispecies ion beam sources
Auteurs : O. Delferriere [France] ; D. De Menezes [France]Source :
- Review of scientific instruments [ 0034-6748 ] ; 2004-05.
Descripteurs français
- Pascal (Inist)
English descriptors
- KwdEn :
Abstract
In all accelerator projects, the low energy part of the accelerator has to be carefully optimized to match the beam characteristic requirements of the higher energy parts. Since 1994 with the beginning of the Injector of Protons for High Intensity (IPHI) project and Source of Light Ions with High Intensities (SILHI) electron cyclotron resonance (ECR) ion source development at CEA/Saclay, we are using a set of two-dimensional (2D) codes for extraction system optimization (AXCEL, OPERA-2D) and beam transport (MULTIPART). The 95 keV SILHI extraction system optimization has largely increased the extracted current, and improved the beam line transmission. From these good results, a 130 mA D+ extraction system for the International Fusion Material Irradiation Facility project has been designed in the same way as SILHI one. We are also now involved in the SPIRAL 2 project for the building of a 40 keV D+ ECR ion source, continuously tunable from 0.1 to 5 mA, for which a special four-electrode extraction system has been studied. In this article we will describe the 2D design process and present the different extraction geometries and beam characteristics. Simulation results of SILHI H+ beam emittance will be compared with experimental measurements. © 2004 American Institute of Physics.
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De Menezes</name><affiliation wicri:level="3"><inist:fA14 i1="01"><s1>Commissariat a l'Energie Atomique, CEA-Saclay, DSM/DAPNIA/SACM 91191 Gif sur Yvette Cedex, France</s1><sZ>1 aut.</sZ><sZ>2 aut.</sZ></inist:fA14><country xml:lang="fr">France</country><wicri:regionArea>Commissariat a l'Energie Atomique, CEA-Saclay, DSM/DAPNIA/SACM 91191 Gif sur Yvette Cedex</wicri:regionArea><placeName><region type="region" nuts="2">Île-de-France</region><settlement type="city">Gif sur Yvette</settlement></placeName></affiliation></author></analytic><series><title level="j" type="main">Review of scientific instruments</title><title level="j" type="abbreviated">Rev. sci. instrum.</title><idno type="ISSN">0034-6748</idno><imprint><date when="2004-05">2004-05</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">Review of scientific instruments</title><title level="j" type="abbreviated">Rev. sci. instrum.</title><idno type="ISSN">0034-6748</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Cyclotron resonance</term><term>Experimental study</term><term>Ion sources</term><term>Particle beam diagnostics</term><term>Particle beam extraction</term><term>Plasma devices</term><term>Space charge</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>0777K</term><term>2925N</term><term>2927A</term><term>5259S</term><term>4175</term><term>2927F</term><term>Etude expérimentale</term><term>Charge espace</term><term>Résonance cyclotronique</term><term>Source ion</term><term>Extraction faisceau particule</term><term>Diagnostic faisceau particule</term><term>Dispositif plasma</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">In all accelerator projects, the low energy part of the accelerator has to be carefully optimized to match the beam characteristic requirements of the higher energy parts. Since 1994 with the beginning of the Injector of Protons for High Intensity (IPHI) project and Source of Light Ions with High Intensities (SILHI) electron cyclotron resonance (ECR) ion source development at CEA/Saclay, we are using a set of two-dimensional (2D) codes for extraction system optimization (AXCEL, OPERA-2D) and beam transport (MULTIPART). The 95 keV SILHI extraction system optimization has largely increased the extracted current, and improved the beam line transmission. From these good results, a 130 mA D<sup>+</sup> extraction system for the International Fusion Material Irradiation Facility project has been designed in the same way as SILHI one. We are also now involved in the SPIRAL 2 project for the building of a 40 keV D<sup>+</sup> ECR ion source, continuously tunable from 0.1 to 5 mA, for which a special four-electrode extraction system has been studied. In this article we will describe the 2D design process and present the different extraction geometries and beam characteristics. Simulation results of SILHI H<sup>+</sup> beam emittance will be compared with experimental measurements. © 2004 American Institute of Physics.</div></front></TEI><affiliations><list><country><li>France</li></country><region><li>Île-de-France</li></region><settlement><li>Gif sur Yvette</li></settlement></list><tree><country name="France"><region name="Île-de-France"><name sortKey="Delferriere, O" sort="Delferriere, O" uniqKey="Delferriere O" first="O." last="Delferriere">O. Delferriere</name></region><name sortKey="De Menezes, D" sort="De Menezes, D" uniqKey="De Menezes D" first="D." last="De Menezes">D. De Menezes</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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