Particle accelerator focus automation
Autor(a) principal: | |
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Data de Publicação: | 2017 |
Outros Autores: | , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
Texto Completo: | http://hdl.handle.net/10400.21/7411 |
Resumo: | The Laboratorio de Aceleradores e Tecnologias de Radiacao (LATR) at the Campus Tecnologico e Nuclear, of Instituto Superior Tecnico (IST) has a horizontal electrostatic particle accelerator based on the Van de Graaff machine which is used for research in the area of material characterization. This machine produces alfa (He+) and proton (H+) beams of some mu A currents up to 2 MeV/q energies. Beam focusing is obtained using a cylindrical lens of the Einzel type, assembled near the high voltage terminal. This paper describes the developed system that automatically focuses the ion beam, using a personal computer running the LabVIEW software, a multifunction input/output board and signal conditioning circuits. The focusing procedure consists of a scanning method to find the lens bias voltage which maximizes the beam current measured on a beam stopper target, which is used as feedback for the scanning cycle. This system, as part of a wider start up and shut down automation system built for this particle accelerator, brings great advantages to the operation of the accelerator by turning it faster and easier to operate, requiring less human presence, and adding the possibility of total remote control in safe conditions. |
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Particle accelerator focus automationParticle acceleratorLabVIEWBeam focusIon sourceThe Laboratorio de Aceleradores e Tecnologias de Radiacao (LATR) at the Campus Tecnologico e Nuclear, of Instituto Superior Tecnico (IST) has a horizontal electrostatic particle accelerator based on the Van de Graaff machine which is used for research in the area of material characterization. This machine produces alfa (He+) and proton (H+) beams of some mu A currents up to 2 MeV/q energies. Beam focusing is obtained using a cylindrical lens of the Einzel type, assembled near the high voltage terminal. This paper describes the developed system that automatically focuses the ion beam, using a personal computer running the LabVIEW software, a multifunction input/output board and signal conditioning circuits. The focusing procedure consists of a scanning method to find the lens bias voltage which maximizes the beam current measured on a beam stopper target, which is used as feedback for the scanning cycle. This system, as part of a wider start up and shut down automation system built for this particle accelerator, brings great advantages to the operation of the accelerator by turning it faster and easier to operate, requiring less human presence, and adding the possibility of total remote control in safe conditions.De Gruyter OpenRCIPLLopes, JoséRocha, JorgeLuis RedondoCruz, João2017-10-04T10:20:36Z2017-082017-08-01T00:00:00Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfhttp://hdl.handle.net/10400.21/7411engLOPES, José; ROCHA, Jorge; REDONDO, Luís; CRUZ, João - Particle Accelerator Focus Automation. ISSN 1335-8871. Vol. 17, N.º 4 (2017), pp. 208-2121335-887110.1515/msr-2017-0024metadata only accessinfo:eu-repo/semantics/openAccessreponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãoinstacron:RCAAP2023-08-03T09:53:26Zoai:repositorio.ipl.pt:10400.21/7411Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireopendoar:71602024-03-19T20:16:22.081239Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãofalse |
dc.title.none.fl_str_mv |
Particle accelerator focus automation |
title |
Particle accelerator focus automation |
spellingShingle |
Particle accelerator focus automation Lopes, José Particle accelerator LabVIEW Beam focus Ion source |
title_short |
Particle accelerator focus automation |
title_full |
Particle accelerator focus automation |
title_fullStr |
Particle accelerator focus automation |
title_full_unstemmed |
Particle accelerator focus automation |
title_sort |
Particle accelerator focus automation |
author |
Lopes, José |
author_facet |
Lopes, José Rocha, Jorge Luis Redondo Cruz, João |
author_role |
author |
author2 |
Rocha, Jorge Luis Redondo Cruz, João |
author2_role |
author author author |
dc.contributor.none.fl_str_mv |
RCIPL |
dc.contributor.author.fl_str_mv |
Lopes, José Rocha, Jorge Luis Redondo Cruz, João |
dc.subject.por.fl_str_mv |
Particle accelerator LabVIEW Beam focus Ion source |
topic |
Particle accelerator LabVIEW Beam focus Ion source |
description |
The Laboratorio de Aceleradores e Tecnologias de Radiacao (LATR) at the Campus Tecnologico e Nuclear, of Instituto Superior Tecnico (IST) has a horizontal electrostatic particle accelerator based on the Van de Graaff machine which is used for research in the area of material characterization. This machine produces alfa (He+) and proton (H+) beams of some mu A currents up to 2 MeV/q energies. Beam focusing is obtained using a cylindrical lens of the Einzel type, assembled near the high voltage terminal. This paper describes the developed system that automatically focuses the ion beam, using a personal computer running the LabVIEW software, a multifunction input/output board and signal conditioning circuits. The focusing procedure consists of a scanning method to find the lens bias voltage which maximizes the beam current measured on a beam stopper target, which is used as feedback for the scanning cycle. This system, as part of a wider start up and shut down automation system built for this particle accelerator, brings great advantages to the operation of the accelerator by turning it faster and easier to operate, requiring less human presence, and adding the possibility of total remote control in safe conditions. |
publishDate |
2017 |
dc.date.none.fl_str_mv |
2017-10-04T10:20:36Z 2017-08 2017-08-01T00:00:00Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://hdl.handle.net/10400.21/7411 |
url |
http://hdl.handle.net/10400.21/7411 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
LOPES, José; ROCHA, Jorge; REDONDO, Luís; CRUZ, João - Particle Accelerator Focus Automation. ISSN 1335-8871. Vol. 17, N.º 4 (2017), pp. 208-212 1335-8871 10.1515/msr-2017-0024 |
dc.rights.driver.fl_str_mv |
metadata only access info:eu-repo/semantics/openAccess |
rights_invalid_str_mv |
metadata only access |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
De Gruyter Open |
publisher.none.fl_str_mv |
De Gruyter Open |
dc.source.none.fl_str_mv |
reponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação instacron:RCAAP |
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Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação |
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RCAAP |
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RCAAP |
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Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
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Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
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Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação |
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