Title :
Cherenkov radiation from electron vortex beams
Author :
Kaminer, Ido ; Mutzafi, Maor ; Harari, Gal ; Shinfox, Hanan ; Nemirovsky, Jonathan ; Segev, Mordechai
Author_Institution :
Dept. of Phys., Massachusetts Inst. of Technol., Cambridge, MA, USA
Abstract :
We find the Cherenkov radiation emitted by vortex electrons, and show that a properly designed photonic waveguide can increase the angular momentum of the electrons. We calculate the selection rules in a relativistic quantum formalism.
Keywords :
angular momentum; electron beams; optical design techniques; optical waveguides; quantum electrodynamics; quantum optics; Cherenkov radiation; electron angular momentum; electron vortex beams; photonic waveguide; relativistic quantum formalism; selection rules; vortex electrons; Atmospheric measurements; Electron beam applications; Optical beams; Optical waveguides; Photonics;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2014 Conference on
Conference_Location :
San Jose, CA
