Paraxial propagation in disclinated amorphous media |
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Authors: | Mohammad Mehrafarin Shima Gholam-Mirzaei |
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Affiliation: | Physics Department, Amirkabir University of Technology, Tehran 15914, Iran |
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Abstract: | We study paraxial beam propagation along the wedge axis of a disclinated amorphous medium. The defect-induced inhomogeneity results in Berry phase and curvature that are affected by the induced uniaxial anisotropy. The Berry phase manifests itself as a precession of the polarization vector. The Berry curvature is responsible for the optical spin Hall effect in the disclinated medium, where beam deflection varies sinusoidally along the paraxial direction. Its application in determining the birefringence and the magnitude of the Frank vector is explained. |
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Keywords: | Paraxial propagation Amorphous medium Wedge disclination Berry effect Optical Hall effect |
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