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physics.optics2026★ 1 cited
Effective skyrmion number for mixed polarization states of light
Rosario Martínez-Herrero, Ángel S. Sanz
Polarization skyrmions are usually characterized through a unit Stokes vector field, which defines a map from the transverse plane to the Poincaré (Bloch) sphere and allows one to…
physics.optics2026
Super-pupil beam engineering for enhanced confinement of azimuthally polarized depletion beams
Costanza Agazzi, Nick Toledo-García, Estela Martín-Badosa +5
Fluorescence depletion microscopy techniques require optical fields with a well-defined and spatially confined central intensity minimum to achieve sub-diffraction lateral resoluti…