Manipulating the Orbital Angular Momentum of Light at the Micron Scale with Nematic Disclinations in a Liquid Crystal Film

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Loussert , Charles; Delabre , Ulysse; Brasselet , Etienne;
(2013)
  • Publisher: American Physical Society
  • Related identifiers: doi: 10.1103/PhysRevLett.111.037802
  • Subject: Optical elements | PACS : 61.30.Jf; 42.50.Tx; 42.79-e; 42.81.Gs | Defects in liquid crystals | Birefringence | devices and systems | [ PHYS.COND.CM-SCM ] Physics [physics]/Condensed Matter [cond-mat]/Soft Condensed Matter [cond-mat.soft] | [ PHYS.PHYS.PHYS-OPTICS ] Physics [physics]/Physics [physics]/Optics [physics.optics] | polarization | Optical angular momentum and its quantum aspects
    arxiv: Condensed Matter::Soft Condensed Matter

International audience; We report on the experimental manipulation of the orbital angular momentum of light by exploiting a kind of topological defects that spontaneously appear in nematics--disclinations--as microscopic optical spin-orbit interfaces whose operating wav... View more
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