Research Report academic article Existence of periodic solutions for a scalar differential equation modelling optical conveyor belts Optical Conveyor Belts for Chiral Discrimination: Influence of De-Phasing Parameter Vectorial analysis of Airy-Airy bullets generated by high aperture binary micro zonal plate person (active) ACEBAL GONZALEZ, PABLO BLAYA ESCARRE, SALVADOR CARRETERO LOPEZ, LUIS