Speaker
Daniel Younis
(University of Rochester, Department of Physics & Astronomy)
Description
We investigate the photoelectron spin characteristics when hydrogenic ions are centro-symmetrically irradiated with converging vector waves — a non-paraxial form of structured light. A photon with given total angular momentum $j$ and azimuthal mode number $m$ generates photoelectrons with both helicities, in contrast to the fixed helicity produced by left- or right circularly polarized light. The angular distribution of the degree of polarization is broadly tunable through the radiation mode numbers, and the opposite helicities can be extracted in synchronism.
Acknowledgments
This work was supported by the U.S. Department of Energy and Naval Research Laboratory 6.1 Base Funds.
Primary authors
Daniel Younis
(University of Rochester, Department of Physics & Astronomy)
Dr
Bahman Hafizi
(U.S. Naval Research Laboratory)
Dr
Daniel Gordon
(U.S. Naval Research Laboratory)
