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Generation and self-healing of vector Bessel-Gauss beams with variant state of polarizations upon propagation
Author(s) -
Peng Li,
Yi Zhang,
Sheng Liu,
Hao Cheng,
Lei Han,
Dongjing Wu,
Jianlin Zhao
Publication year - 2017
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.25.005821
Subject(s) - physics , optics , bessel function , polarization (electrochemistry) , transverse plane , gauss , diffraction , quantum mechanics , chemistry , structural engineering , engineering
We propose a generalized model for the creation of vector Bessel-Gauss (BG) beams having state of polarization (SoP) varying along the propagation direction. By engineering longitudinally varying Pancharatnam-Berry (PB) phases of two constituent components with orthogonal polarizations, we create zeroth- and higher-order vector BG beams having (i) uniform polarizations in the transverse plane that change along z following either the equator or meridian of the Poincaré sphere and (ii) inhomogeneous polarizations in the transverse plane that rotate during propagation along z. Moreover, we evaluate the self-healing capability of these vector BG beams after two disparate obstacles. The self-healing capability of spatial SoP information may enrich the application of BG beams in light-matter interaction, polarization metrology and microscopy.

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