Vortex coronagraphy from self-engineered liquid crystal spin-orbit masks

Artur Aleksanyan (1) , Etienne Brasselet (1)

1 LOMA - Laboratoire Ondes et Matière d'Aquitaine

We report on a soft route toward optical vortex coronagraphy based on self-engineered electrically tunable vortex masks made of liquid crystal topological defects. These results suggest that a nature-assisted technological approach to the fabrication of complex phase masks could be useful in optical imaging whenever optical phase singularities are at play.

Mots clés: Singular optics; Liquid crystals; Optical vortices

Domaines: Optique [physics.optics]

Artur Aleksanyan, Etienne Brasselet. Vortex coronagraphy from self-engineered liquid crystal spin-orbit masks. Optics Letters, 2016, 41 (22), pp.5234-5237. ⟨10.1364/OL.41.005234⟩. ⟨hal-01406553⟩