Improved transmission of electrostatic accelerator in a wide range of terminal voltages by controlling the focal strength of entrance acceleration tube
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Lobanov, Nikolai; Tunningley, Thomas; Linardakis, Peter
Description
Tandem electrostatic accelerators often require the flexibility to operate at a variety of terminal voltages to accommodate various user requirements. However, the ion beam transmission will only be optimal for a limited range of terminal voltages. This paper describes the operational performance of a novel focusing system that expands the range of terminal voltages for optimal transmission. This is accomplished by controlling the gradient of the entrance of the low-energy tube, providing an...[Show more]
dc.contributor.author | Lobanov, Nikolai | |
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dc.contributor.author | Tunningley, Thomas | |
dc.contributor.author | Linardakis, Peter | |
dc.date.accessioned | 2019-08-08T03:52:46Z | |
dc.identifier.issn | 0168-583X | |
dc.identifier.uri | http://hdl.handle.net/1885/164930 | |
dc.description.abstract | Tandem electrostatic accelerators often require the flexibility to operate at a variety of terminal voltages to accommodate various user requirements. However, the ion beam transmission will only be optimal for a limited range of terminal voltages. This paper describes the operational performance of a novel focusing system that expands the range of terminal voltages for optimal transmission. This is accomplished by controlling the gradient of the entrance of the low-energy tube, providing an additional focusing element. In this specific case it is achieved by applying up to 150 kV to the fifth electrode of the first unit of the accelerator tube. Numerical simulations and beam transmission tests have been performed to confirm the effectiveness of the lens. An analytical expression has been derived describing its focal properties. These tests demonstrate that the entrance lens control eliminates the need to short out sections of the tube for operation at low terminal voltage. | |
dc.description.sponsorship | This work has been supported by the Australian Federal Government Superscience/EIF funding under the NCRIS mechanism | |
dc.format.mimetype | application/pdf | |
dc.language.iso | en_AU | |
dc.publisher | Elsevier | |
dc.rights | © 2018 Elsevier B.V. | |
dc.source | Nuclear Instruments and Methods in Physics Research: Section B | |
dc.title | Improved transmission of electrostatic accelerator in a wide range of terminal voltages by controlling the focal strength of entrance acceleration tube | |
dc.type | Journal article | |
local.description.notes | Imported from ARIES | |
local.identifier.citationvolume | 421 | |
dc.date.issued | 2018 | |
local.identifier.absfor | 020202 - Nuclear Physics | |
local.identifier.ariespublication | u9310689xPUB4 | |
local.publisher.url | https://www.elsevier.com/en-au | |
local.type.status | Published Version | |
local.contributor.affiliation | Lobanov, Nikolai, College of Science, ANU | |
local.contributor.affiliation | Tunningley, Thomas, College of Science, ANU | |
local.contributor.affiliation | Linardakis, Peter, College of Science, ANU | |
local.description.embargo | 2037-12-31 | |
local.bibliographicCitation.startpage | 38 | |
local.bibliographicCitation.lastpage | 44 | |
local.identifier.doi | 10.1016/j.nimb.2018.02.023 | |
local.identifier.absseo | 970102 - Expanding Knowledge in the Physical Sciences | |
dc.date.updated | 2019-03-31T07:24:46Z | |
local.identifier.scopusID | 2-s2.0-85042674050 | |
Collections | ANU Research Publications |
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