Distinguished role of the laser pulse temporal structure on deuteron acceleration

Distinguished role of the laser pulse temporal structure on deuteron acceleration | Research Square window.SnipcartSettings = { analytics: { enabled: false } }; (function() { var accessVector = localStorage.getItem('access_vector') || ''; window.dataLayer = window.dataLayer || []; if (accessVector) { window.dataLayer.push({ user: { profile: { profileInfo: { snid: accessVector } } } }); } })(); (function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src='https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);})(window,document,'script','dataLayer','GTM-K279D39R'); Browse Preprints In Review Journals COVID-19 Preprints AJE Video Bytes Research Tools Research Promotion AJE Professional Editing AJE Rubriq About Preprint Platform In Review Editorial Policies Our Team Advisory Board Help Center Sign In Submit a Preprint Cite Share Download PDF Article Distinguished role of the laser pulse temporal structure on deuteron acceleration Karoly Osvay, Parvin Varmazyar, Bence Nagy, Tibor Gilinger, Miklos Fule, and 3 more This is a preprint; it has not been peer reviewed by a journal. https://doi.org/ 10.21203/rs.3.rs-6263871/v1 This work is licensed under a CC BY 4.0 License Status: Published Journal Publication published 25 Aug, 2025 Read the published version in Communications Physics → Version 1 posted You are reading this latest preprint version Abstract A comprehensive study was conducted to clarify the impact of the temporal shape of laser pulses on ion acceleration from ultrathin targets. The temporal structure of the pulses was set by changing their group delay dispersion and third order dispersion (TOD) independently, while the pulse energy and focal spot size were kept the same. We have found that the effect of pulse duration can be considerably larger than reported previously, making possible also switching between proton and deuteron acceleration. The TOD-induced post-pulses lead to an increase of efficiency by 50%, while the cutoff energy of the accelerated deuterons was at least doubled compared to that with transform-limited pulses. 2D PIC simulations and analytical considerations support the experimental findings, first of these kinds accounting for the effect of TOD, too. We believe that the performance of laser ion accelerators can be significantly enhanced by matching the dispersion values to the target characteristics. Physical sciences/Physics/Plasma physics/Laser-produced plasmas Physical sciences/Physics/Plasma physics/Plasma-based accelerators Full Text Additional Declarations There is NO Competing Interest. Cite Share Download PDF Status: Published Journal Publication published 25 Aug, 2025 Read the published version in Communications Physics → Version 1 posted You are reading this latest preprint version Research Square lets you share your work early, gain feedback from the community, and start making changes to your manuscript prior to peer review in a journal. As a division of Research Square Company, we’re committed to making research communication faster, fairer, and more useful. We do this by developing innovative software and high quality services for the global research community. Our growing team is made up of researchers and industry professionals working together to solve the most critical problems facing scientific publishing. Also discoverable on Platform About Our Team In Review Editorial Policies Advisory Board Help Center Resources Author Services Accessibility API Access RSS feed Manage Cookie Preferences © Research Square 2026 | ISSN 2693-5015 (online) Privacy Policy Terms of Service Do Not Sell My Personal Information {"props":{"pageProps":{"initialData":{"identity":"rs-6263871","acceptedTermsAndConditions":true,"allowDirectSubmit":false,"archivedVersions":[],"articleType":"Article","associatedPublications":[],"authors":[{"id":433313673,"identity":"479fa4cb-578a-4c15-9a2d-9e84db4d89b7","order_by":0,"name":"Karoly 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