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- University of East AngliaGB92 papers
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5 papers · 2 filters
Generating optical angular momentum through wavefront curvature
Kayn A. Forbes, Vittorio Aita, Anatoly V. Zayats
Recent developments in the understanding of optical angular momentum have resulted in many demonstrations of unusual optical phenomena, such as optical beams with orbital angular m…
Comment on M. Babiker, J. Yuan, K. Koksal, and V. Lembessis, Optics Communications 554, 130185 (2024)
Kayn A. Forbes
In a recent article Babiker et al. [Optics Communications , 130185 (2024)] claim that cylindrical vector beams (CVBs), also referred to as higher-order Poincaré (HOP)…
On the orbit-induced spin density of tightly focused optical vortex beams: ellipticity and helicity
Kayn A. Forbes
It has recently been established that a linearly-polarized optical vortex possesses spin angular momentum density in the direction of propagation (longitudinal spin) under tight-fo…
Spin angular momentum and optical chirality of Poincaré vector vortex beams
Kayn A. Forbes
The optical chirality and spin angular momentum of structured scalar vortex beams has been intensively studied in recent years. The pseudoscalar topological charge of these…
Topological-charge-dependent dichroism and birefringence of optical vortices
Kayn A. Forbes, Dale Green
Material anisotropy and chirality produce polarization-dependent light-matter interactions. Absorption leads to linear and circular dichroism, whereas elastic forward scattering pr…