Scientists have produced nanometer-sized plasmon swirls on a metal surface that can perform useful work.
Detecting orbital angular momentum through division-of-amplitude interference with a circular plasmonic lens
Emission of orbital angular momentum based on spoof localized surface plasmons
Researchers Produce Electromagnetic Solitons with Angular Momentum----Chinese Academy of Sciences
Orbital Angular Momentum and Energy Loss Characterization of Plasmonic Excitations in Metallic Nanostructures in TEM
Generation and detection of orbital angular momentum via metasurface
Measurement of orbital angular momentum of helicons
Laser Technology: Changing the Orbital Angular Momentum of Laser Beams - 2016 - Wiley Analytical Science
Orbital angular momentum in optical manipulations - IOPscience
File:Vector model of orbital angular momentum.svg - Wikipedia
Spatio-temporal shaping of a free-electron wave function via
Photonics, Free Full-Text
