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Octrooi

Charged particle vortex wave generation

A device for imparting an orbital angular momentum to a charged particle wave propagating along a beam axis in a charged particle beam generating apparatus is described. The device comprises a support element having a target region adapted for transmitting a charged particle wave propagating along a beam axis and an induction means for inducing a magnetic flux along an elongated profile having a free end portion located in the target region and the induction means is adapted for providing a magnetic flux in the elongated profile in order to induce an angular gradient, relative to the beam axis, of the phase of the charged particle wave when transmitted through the target region. A corresponding method is also disclosed, as well as the use thereof in electron microscopy.
Octrooi-publicatienummer: US9018596
Jaar aanvraag: 2012
Jaar toekenning: 2015
Jaar van publicatie: 2015
Status: Toegewezen
Technologiedomeinen: Elektrische machines, apparaten, energie
Gevalideerd voor IOF-sleutel: Ja
Toegewezen aan: Associatie Universiteit & Hogescholen Antwerpen