{"id":{"repo_id":"qu-belfast","oai_identifier":"oai:pure.qub.ac.uk/portal:studenttheses/3d733bfb-018a-4caf-8bef-ed8b4bf443ab"},"canonical_url":"https://search.dev.ndltd.org/etd/qu-belfast/oai:pure.qub.ac.uk/portal:studenttheses/3d733bfb-018a-4caf-8bef-ed8b4bf443ab","repository":{"repo_id":"qu-belfast","name":"Queen's University Belfast","base_url":"https://pureadmin.qub.ac.uk/ws/oai"},"display":{"title":"Novel approach to laser-driven multi-stage ion acceleration","abstract":"All-optical approaches to particle acceleration are currently attracting a significant research effort internationally. Key to the interest in a laser based particle accelerator lies in its cost effective and compactness. However, the ion beams accelerated by the laser-driven mechanisms have shortcomings such as a broad energy spectrum and large beam divergence. A recently developed concept of a versatile, miniature linear accelerating module harnesses the extremely high electromagnetic pulses produced by the interaction of intense lasers, and achieves simultaneous focusing, energy selection and post-acceleration of the proton beams. The process boosts the energy of the ions accelerated from the foil, through the application of a large amplitude field within a helical coil, which travels synchronously with the ions. This process lends itself to multi-staging, i.e. the sequential application of laser-driven accelerating fields, which is highly promising for significant increase of the accelerated proton energies. The project aims to develop this multi-stage approach which is totally new in the context of laser-driven protons, and can pave the way towards miniature, modular ion accelerators providing beams suitable for medical, scientific and industrial applications.<br/><i><br/>Thesis embargoed until 31 December 2026</i>.","abstract_html":"All-optical approaches to particle acceleration are currently attracting a significant research effort internationally. Key to the interest in a laser based particle accelerator lies in its cost effective and compactness. However, the ion beams accelerated by the laser-driven mechanisms have shortcomings such as a broad energy spectrum and large beam divergence. A recently developed concept of a versatile, miniature linear accelerating module harnesses the extremely high electromagnetic pulses produced by the interaction of intense lasers, and achieves simultaneous focusing, energy selection and post-acceleration of the proton beams. The process boosts the energy of the ions accelerated from the foil, through the application of a large amplitude field within a helical coil, which travels synchronously with the ions. This process lends itself to multi-staging, i.e. the sequential application of laser-driven accelerating fields, which is highly promising for significant increase of the accelerated proton energies. The project aims to develop this multi-stage approach which is totally new in the context of laser-driven protons, and can pave the way towards miniature, modular ion accelerators providing beams suitable for medical, scientific and industrial applications.&lt;br/&gt;&lt;i&gt;&lt;br/&gt;Thesis embargoed until 31 December 2026&lt;/i&gt;.","abstract_has_math":false,"creators":["Ferguson, Simon"],"institution":"Queen's University Belfast","degree_name":"Doctor of Philosophy","degree_level":"Doctoral Thesis","degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":["Kar, Satyabrata","Borghesi, Marco"],"committee_chairs":[],"committee_members":[],"year":2021,"date_issued":"2021-12","date_published":"2021-12","updated_at":"2026-07-24T03:55:58Z","subjects":["Laser ion acceleration","helical coil"],"languages":["eng"],"rights":[],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["oai:pure.qub.ac.uk/portal:studenttheses/3d733bfb-018a-4caf-8bef-ed8b4bf443ab"],"render_values":[{"text":"oai:pure.qub.ac.uk/portal:studenttheses/3d733bfb-018a-4caf-8bef-ed8b4bf443ab","href":null,"code":true}]}]},"links":{"outbound_url":"https://pure.qub.ac.uk/en/studentTheses/3d733bfb-018a-4caf-8bef-ed8b4bf443ab","outbound_label":"Repository record","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.advisor","label":"Advisor","values":["Kar, Satyabrata","Borghesi, Marco"]},{"key":"dc:contributor.sponsor","label":"Sponsor","values":["UKRI Unspecified"]},{"key":"dc:creator","label":"Author","values":["Ferguson, Simon"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2021-12"]},{"key":"dc:date.issued","label":"Date","values":["2021-12"]},{"key":"dc:publisher.department","label":"Dc Publisher Department","values":["School of Mathematics and Physics","Centre for Plasma Physics (CPP)"]},{"key":"dc:publisher.institution","label":"Dc Publisher Institution","values":["Queen's University Belfast"]},{"key":"dc:relation.isreferencedby","label":"Dc Relation Isreferencedby","values":["https://pure.qub.ac.uk/en/studentTheses/3d733bfb-018a-4caf-8bef-ed8b4bf443ab"]},{"key":"dc:type","label":"Dc Type","values":["Thesis"]},{"key":"dc:type.qualificationlevel","label":"Dc Type Qualificationlevel","values":["Doctoral Thesis"]},{"key":"dc:type.qualificationname","label":"Dc Type Qualificationname","values":["Doctor of Philosophy"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Laser ion acceleration","helical coil"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["eng"]},{"key":"dc:rights.embargodate","label":"Dc Rights Embargodate","values":["2026-12-31"]},{"key":"dc:rights.embargoreason","label":"Dc Rights Embargoreason","values":["/dk/atira/pure/core/document/studentthesisembargoreason/publicationissues"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["oai:pure.qub.ac.uk/portal:studenttheses/3d733bfb-018a-4caf-8bef-ed8b4bf443ab","https://pure.qub.ac.uk/en/studentTheses/3d733bfb-018a-4caf-8bef-ed8b4bf443ab"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["All-optical approaches to particle acceleration are currently attracting a significant research effort internationally. Key to the interest in a laser based particle accelerator lies in its cost effective and compactness. However, the ion beams accelerated by the laser-driven mechanisms have shortcomings such as a broad energy spectrum and large beam divergence. A recently developed concept of a versatile, miniature linear accelerating module harnesses the extremely high electromagnetic pulses produced by the interaction of intense lasers, and achieves simultaneous focusing, energy selection and post-acceleration of the proton beams. The process boosts the energy of the ions accelerated from the foil, through the application of a large amplitude field within a helical coil, which travels synchronously with the ions. This process lends itself to multi-staging, i.e. the sequential application of laser-driven accelerating fields, which is highly promising for significant increase of the accelerated proton energies. The project aims to develop this multi-stage approach which is totally new in the context of laser-driven protons, and can pave the way towards miniature, modular ion accelerators providing beams suitable for medical, scientific and industrial applications.<br/><i><br/>Thesis embargoed until 31 December 2026</i>."]},{"key":"dc:title","label":"Title","values":["Novel approach to laser-driven multi-stage ion acceleration"]}]}],"canonical_facts":{"dc:contributor.advisor":["Kar, Satyabrata","Borghesi, Marco"],"dc:contributor.sponsor":["UKRI Unspecified"],"dc:creator":["Ferguson, Simon"],"dc:date":["2021-12"],"dc:date.issued":["2021-12"],"dc:description.abstract":["All-optical approaches to particle acceleration are currently attracting a significant research effort internationally. Key to the interest in a laser based particle accelerator lies in its cost effective and compactness. 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The project aims to develop this multi-stage approach which is totally new in the context of laser-driven protons, and can pave the way towards miniature, modular ion accelerators providing beams suitable for medical, scientific and industrial applications.<br/><i><br/>Thesis embargoed until 31 December 2026</i>."],"dc:identifier":["oai:pure.qub.ac.uk/portal:studenttheses/3d733bfb-018a-4caf-8bef-ed8b4bf443ab","https://pure.qub.ac.uk/en/studentTheses/3d733bfb-018a-4caf-8bef-ed8b4bf443ab"],"dc:language":["eng"],"dc:publisher.department":["School of Mathematics and Physics","Centre for Plasma Physics (CPP)"],"dc:publisher.institution":["Queen's University Belfast"],"dc:relation.isreferencedby":["https://pure.qub.ac.uk/en/studentTheses/3d733bfb-018a-4caf-8bef-ed8b4bf443ab"],"dc:rights.embargodate":["2026-12-31"],"dc:rights.embargoreason":["/dk/atira/pure/core/document/studentthesisembargoreason/publicationissues"],"dc:subject":["Laser ion acceleration","helical coil"],"dc:title":["Novel approach to laser-driven multi-stage ion acceleration"],"dc:type":["Thesis"],"dc:type.qualificationlevel":["Doctoral Thesis"],"dc:type.qualificationname":["Doctor of Philosophy"]},"updated_at":"2026-07-24T03:55:58Z"}