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physics.optics2026
Polarization-controlled optical backflow in paraxial electromagnetic beams
Tomasz Radożycki
Optical backflow in paraxial Gaussian beams is investigated within the Maxwell framework. Scalar potential representations are employed to identify conditions under which the longi…
physics.optics2026
Two mechanisms of backward optical forces on Rayleigh particles in structured paraxial light
Tomasz Radożycki
A theoretical and numerical study of optical forces acting on a Rayleigh particle in a paraxial Gaussian light beam exhibiting regions of optical backflow is presented. Within the…