Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleX-rays: Orbital angular momentum.AuthorsPile, DavidAbstractThe article offers information on the helical microbunching of charge within an electron beam which supports the development of high-gain, high-mode-generation free electron lasers capable of emitting light with orbital angular momentum.SubjectsANGULAR momentum (Nuclear physics); ELECTRON beams; FREE electron lasersPublicationNature Photonics, 2012, Vol 6, Issue 5, p268ISSN1749-4885Publication typeArticleDOI10.1038/nphoton.2012.92