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Subwavelength particles in an inhomogeneous light field: Optical forces associated with the spin and orbital energy flows
Aleksandr Bekshaev
We analyze the ponderomotive action experienced by a small spherical particle immersed in an optical field, in relation to the internal energy flows (optical currents) and their sp…
Mie scattering and optical forces from evanescent fields: A complex-angle approach
Aleksandr Y. Bekshaev, Konstantin Y. Bliokh, Franco Nori
Mie theory is one of the main tools describing scattering of propagating electromagnetic waves by spherical particles. Evanescent optical fields are also scattered by particles and…
Dual electromagnetism: Helicity, spin, momentum, and angular momentum
Konstantin Y. Bliokh, Aleksandr Y. Bekshaev, Franco Nori
The dual symmetry between electric and magnetic fields is an important intrinsic property of Maxwell equations in free space. This symmetry underlies the conservation of optical he…
Scattering of inhomogeneous circularly polarized optical field and mechanical manifestation of the internal energy flows
A. Ya. Bekshaev, O. V. Angelsky, S. G. Hanson +1
Based on the Mie theory and on the incident beam model via superposition of two plane waves, we analyze numerically the momentum flux of the field scattered by a spherical micropar…
Generation of optical vortex light beams by volume holograms with embedded phase singularity
A. Ya. Bekshaev, S. V. Sviridova, A. Yu. Popov +1
Special features of the optical-vortex (OV) beams generated by thick holographic elements (HE) with embedded phase singularity are considered theoretically. The volume HE structure…