The general question, crucial to an understanding of the internal structure of the nucleon, of
how to split the total angular momentum of a photon or gluon into spin and orbital …

We propose a theoretical and practical framework for the study of light-matter interactions
and the angular momentum of light. Our proposal is based on helicity, total angular …

Canonical separation of angular momentum of light into its orbital and spin parts Page 1 Journal
of Optics Canonical separation of angular momentum of light into its orbital and spin parts To …

It is understood from the conical wave picture that Bessel beams may self-heal after certain
opaque obstructions, but the extrapolation to transparent phase screens is not self-evident …

Experimental measurements are reported of the rotation rates of superpositions of higher-
order Bessel beams. Digitally generated phase masks of two annular rings, were imprinted …

Treating polarization by means of the electromagnetic helicity allows to obtain new insights
and design guidelines in different problems: Optical activity, zero backscattering …

Light propagating in a nondispersive medium is accompanied by a mass density wave
(MDW) of atoms set in motion by the optical force of the field itself [Phys. Rev. A 95, 063850 …

The refraction and reflection of a Bessel beam by an uniaxial crystal is analyzed in detail.
Use is made of a compact mathematical formalism describing the propagation of structured …

We demonstrate the experimental generation at optical frequencies of the lowest-and first-
order Bessel beams with TE and TM polarizations in free space by means of a Mach …

A study is made of the dynamics of the spin-to-orbital angular momentum conversion for
zero-order and high order circularly polarized Bessel beams propagating along the optical …