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Spin-orbit optomechanics of optically levitated chiral Bragg microspheres
Langue
en
Article de revue
Ce document a été publié dans
Physical Review A : Atomic, molecular, and optical physics [1990-2015]. 2017, vol. 95, n° 5, p. 053839
American Physical Society
Résumé en anglais
We explore the spin-orbit nature of the optical torque exerted on chiral liquid-crystal microspheres exhibiting circular Bragg reflection. Experimental investigation relies on the direct optomechanical observation of ...Lire la suite >
We explore the spin-orbit nature of the optical torque exerted on chiral liquid-crystal microspheres exhibiting circular Bragg reflection. Experimental investigation relies on the direct optomechanical observation of spinning liquid-crystal droplets immersed in water and held in a circularly polarized laser levitator. More generally, we anticipate that the total angular momentum transfer per photon may depart from the commonly assumed spin-only ±2¯ h contribution, when the topological features of the illuminated microsphere are taken into account.< Réduire
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