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Article: Spectral and spatial shaping of Smith-Purcell radiation

TitleSpectral and spatial shaping of Smith-Purcell radiation
Authors
Issue Date2017
Citation
Physical Review A, 2017, v. 96, n. 6, article no. 061801 How to Cite?
AbstractThe Smith-Purcell effect, observed when an electron beam passes in the vicinity of a periodic structure, is a promising platform for the generation of electromagnetic radiation in previously unreachable spectral ranges. However, most of the studies of this radiation were performed on simple periodic gratings, whose radiation spectrum exhibits a single peak and its higher harmonics predicted by a well-established dispersion relation. Here, we propose a method to shape the spatial and spectral far-field distribution of the radiation using complex periodic and aperiodic gratings. We show, theoretically and experimentally, that engineering multiple peak spectra with controlled widths located at desired wavelengths is achievable using Smith-Purcell radiation. Our method opens the way to free-electron-driven sources with tailored angular and spectral responses, and gives rise to focusing functionality for spectral ranges where lenses are unavailable or inefficient.
Persistent Identifierhttp://hdl.handle.net/10722/317054
ISSN
2023 Impact Factor: 2.6
2023 SCImago Journal Rankings: 1.081
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorRemez, Roei-
dc.contributor.authorShapira, Niv-
dc.contributor.authorRoques-Carmes, Charles-
dc.contributor.authorTirole, Romain-
dc.contributor.authorYang, Yi-
dc.contributor.authorLereah, Yossi-
dc.contributor.authorSoljačić, Marin-
dc.contributor.authorKaminer, Ido-
dc.contributor.authorArie, Ady-
dc.date.accessioned2022-09-19T06:18:42Z-
dc.date.available2022-09-19T06:18:42Z-
dc.date.issued2017-
dc.identifier.citationPhysical Review A, 2017, v. 96, n. 6, article no. 061801-
dc.identifier.issn2469-9926-
dc.identifier.urihttp://hdl.handle.net/10722/317054-
dc.description.abstractThe Smith-Purcell effect, observed when an electron beam passes in the vicinity of a periodic structure, is a promising platform for the generation of electromagnetic radiation in previously unreachable spectral ranges. However, most of the studies of this radiation were performed on simple periodic gratings, whose radiation spectrum exhibits a single peak and its higher harmonics predicted by a well-established dispersion relation. Here, we propose a method to shape the spatial and spectral far-field distribution of the radiation using complex periodic and aperiodic gratings. We show, theoretically and experimentally, that engineering multiple peak spectra with controlled widths located at desired wavelengths is achievable using Smith-Purcell radiation. Our method opens the way to free-electron-driven sources with tailored angular and spectral responses, and gives rise to focusing functionality for spectral ranges where lenses are unavailable or inefficient.-
dc.languageeng-
dc.relation.ispartofPhysical Review A-
dc.titleSpectral and spatial shaping of Smith-Purcell radiation-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1103/PhysRevA.96.061801-
dc.identifier.scopuseid_2-s2.0-85038214756-
dc.identifier.volume96-
dc.identifier.issue6-
dc.identifier.spagearticle no. 061801-
dc.identifier.epagearticle no. 061801-
dc.identifier.eissn2469-9934-
dc.identifier.isiWOS:000417127400001-

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