High-flux and high-resolution coded-source radiography based on picosecond laser-irradiated tube targets

High-flux and high-resolution coded-source radiography based on picosecond laser-irradiated tube targets | 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 High-flux and high-resolution coded-source radiography based on picosecond laser-irradiated tube targets Mengting Li, Tiankui Zhang, Minghai Yu, Yaoxiang Song, Zitao Wang, and 9 more This is a preprint; it has not been peer reviewed by a journal. https://doi.org/ 10.21203/rs.3.rs-7915070/v1 This work is licensed under a CC BY 4.0 License Status: Under Review Version 1 posted You are reading this latest preprint version Abstract While picosecond petawatt laser-driven X-rays hold great promise as backlighting sources for high-energy-density physics research, traditional point-projection methods fail to achieve sufficient photon flux and spatial resolution simultaneously amidst complex background noise. Experiments conducted at the XG-III laser demonstrated the favorable characteristics of coded-source radiography based on picosecond laser-driven X-rays, i.e., high-flux X-ray source and high-resolution imaging. By using a large-diameter tube target to fully intercept the laser energy, we produced an annular X-ray source with a flux 7 times that of a conventional quasi-point source. Coded-source radiography with this annular source maintained a spatial resolution of approximately 10 micrometers, and yielded twice the signal-to-noise ratio of point-projection imaging. This technique enables clearer and more detailed radiographs under challenging noisy conditions, e.g., in Inertial Confinement Fusion research, paving the way for more precise measurements. Physical sciences/Optics and photonics/Optical techniques/Imaging and sensing Physical sciences/Physics/Plasma physics/Plasma-based accelerators Physical sciences/Optics and photonics/Optical techniques/Imaging and sensing Physical sciences/Physics/Plasma physics/Plasma-based accelerators Full Text Additional Declarations There is NO Competing Interest. Supplementary Files Supplement.pdf SUPPLEMENTARY INFORMATION Cite Share Download PDF Status: Under Review 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. 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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-7915070","acceptedTermsAndConditions":true,"allowDirectSubmit":false,"archivedVersions":[],"articleType":"Article","associatedPublications":[],"authors":[{"id":539919295,"identity":"9ecdf43c-a21a-48ca-964f-25a71dfe02be","order_by":0,"name":"Mengting 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