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Modeling diffraction of a polarized light by three-dimensional nonlinear spiral phase in the near zone

Alexey Porfirev
Samara National Research University,
IPSI RAS - branch of the FSRC «Crystallography and Photonics» RAS

Abstract

We investigate the diffraction of a polarized light by nonlinear spiral phase plate (NSPP) in the near zone, taking into account the three-dimensional structure of the optical element. The simulation of the NSPP diffraction is based on the finite difference time domain (FDTD) method. The results of numerical simulation of the NSPP diffraction for both homogeneous (linear and circular) and inhomogeneous (radial and azimuthal) polarized light are presented.

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Pavel Khorin
Samara National Research University
Russia

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