Single-Pixel Imaging in Space and Time with Optically Modulated Free Electrons

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dc.contributor.authorKonečná, Andreacs
dc.contributor.authorRottuno, Enzocs
dc.contributor.authorGrillo, Vincenzocs
dc.contributor.authorde Abajo, F. Javier Garcíacs
dc.contributor.authorVanacore, Giovanni Mariacs
dc.coverage.issue5cs
dc.coverage.volume10cs
dc.date.issued2023-04-19cs
dc.description.abstractSingle-pixel imaging, originally developed in light well as probing with light wavelengths undetectable by conventional multi-pixel detectors. However, the spatial resolution of optics-based single-pixel microscopy is limited by diffraction to hundreds of nanometers. Here, we propose an implementation of single-pixel imaging relying on attainable modifications of currently available ultrafast electron microscopes in which optically modulated electrons are used instead of photons to achieve subnanometer spatially and temporally resolved single-pixel imaging. We simulate electron beam profiles generated by interaction with the optical field produced by an externally programmable spatial light modulator and demonstrate the feasibility of the method by showing that the sample image and its temporal evolution can be reconstructed using realistic imperfect illumination patterns. Electron single-pixel imaging holds strong potential for application in low-dose probing of beam-sensitive biological and molecular samples, including rapid screening during in situ experiments.en
dc.formattextcs
dc.format.extent1463-1472cs
dc.format.mimetypeapplication/pdfcs
dc.identifier.citationACS Photonics. 2023, vol. 10, issue 5, p. 1463-1472.en
dc.identifier.doi10.1021/acsphotonics.3c00047cs
dc.identifier.issn2330-4022cs
dc.identifier.orcid0000-0002-7423-5481cs
dc.identifier.other183428cs
dc.identifier.researcheridAAI-4838-2020cs
dc.identifier.urihttp://hdl.handle.net/11012/213662
dc.language.isoencs
dc.publisherAmerican Chemical Societycs
dc.relation.ispartofACS Photonicscs
dc.relation.urihttps://pubs.acs.org/doi/full/10.1021/acsphotonics.3c00047cs
dc.rightsCreative Commons Attribution 4.0 Internationalcs
dc.rights.accessopenAccesscs
dc.rights.sherpahttp://www.sherpa.ac.uk/romeo/issn/2330-4022/cs
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/cs
dc.subjectsingle-pixel imagingen
dc.subjectelectron microscopyen
dc.subjectelectron beam shapingen
dc.subjectelectronen
dc.subjectlight interactionen
dc.subjectultrafast dynamicsen
dc.titleSingle-Pixel Imaging in Space and Time with Optically Modulated Free Electronsen
dc.type.driverarticleen
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
sync.item.dbidVAV-183428en
sync.item.dbtypeVAVen
sync.item.insts2025.02.03 15:48:21en
sync.item.modts2025.01.17 16:46:44en
thesis.grantorVysoké učení technické v Brně. Fakulta strojního inženýrství. Ústav fyzikálního inženýrstvícs
thesis.grantorVysoké učení technické v Brně. Středoevropský technologický institut VUT. Příprava a charakterizace nanostrukturcs
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Ústav fyzikálního inženýrství
Příprava a charakterizace nanostruktur