We use nanofabricated diffraction holograms to demonstrate electron vortex beams carrying quantized orbital angular momentum. These beams are analogous to optical vortices but are composed of charged particle wavefunctions possessing mass.
© 2011 Optical Society of America
You do not have subscription access to this journal. Citation lists with outbound citation links are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.
Contact your librarian or system administrator
Login to access OSA Member Subscription