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Observation of coherent Smith-Purcell radiation using an initially continuous flat beam

hal.structure.identifierCentre d'études scientifiques et techniques d'Aquitaine [CESTA]
dc.contributor.authorGARDELLE, J.
hal.structure.identifierCentre d'études scientifiques et techniques d'Aquitaine [CESTA]
dc.contributor.authorCOURTOIS, L.
hal.structure.identifierCentre d'études scientifiques et techniques d'Aquitaine [CESTA]
dc.contributor.authorMODIN, P.
hal.structure.identifierCentre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]
dc.contributor.authorDONOHUE, J.T.
dc.date.issued2009-11
dc.identifier.issn1098-4402
dc.description.abstractEnA few years ago a new theory for producing coherent Smith-Purcell (SP) radiation from an initially continuous beam was proposed. This experiment confirms that two-dimensional theory. The beam was typically 10 cm wide, a few mm thick, with a peak current of 200 A and beam energy of 85 keV. The 10 cm-wide grating had twenty 2-cm periods, and radiation was produced at the fundamental frequency near 4.5 GHz. Second and third harmonics were observed at the expected angles. Beam bunching was measured using a B-dot probe placed at the end of a groove. Generally good agreement between this experiment and the 2D theory is found.
dc.language.isoen
dc.publisherAmerican Physical Society
dc.title.enObservation of coherent Smith-Purcell radiation using an initially continuous flat beam
dc.typeArticle de revue
dc.identifier.doi10.1103/PhysRevSTAB.12.110701
dc.subject.halPhysique [physics]/Physique Nucléaire Théorique [nucl-th]
bordeaux.journalPhysical Review Special Topics: Accelerators and Beams
bordeaux.page110701
bordeaux.volume12
bordeaux.peerReviewedoui
hal.identifierin2p3-00439969
hal.version1
hal.popularnon
hal.audienceNon spécifiée
hal.origin.linkhttps://hal.archives-ouvertes.fr//in2p3-00439969v1
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