Electron Vortex Beams
Electron vortex beams are a major focus of study in the McMorran Lab. Similar to an optical vortex in a beam of light, the electron vortex is remarkable for its helical wavefronts and quantized orbital angular momentum. Unlike a light optical vortex, the electron vortex state possesses a magnetic moment and exhibits dichroic interactions with matter. In addition to providing an interesting new system with unusual physical properties to explore, this new state of the electron has several immediate applications in diverse areas of research.