Generation of Perfect Optical Vortices by Using a Transmission Liquid Crystal Spatial Light Modulator

We have experimentally created perfect optical vortices by the Fourier transformation of holographic masks with combination of axicons and spiral functions, which are displayed on a transmission liquid crystal spatial light modulator. We showed theoretically that the size of the annular vortex in th...

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Bibliographic Details
Published in:International journal of optics 2017-01, Vol.2017 (2017), p.1-10
Main Authors: Anaya Carvajal, Nelson, Torres Moreno, Yezid, Acevedo, Cristian
Format: Article
Language:English
Subjects:
Cameras
Fluid flow
Fourier analysis
Fourier transforms
Light
Liquid crystals
Planes
Propagation
Spatial light modulators
Spirals
Topology
Vortices
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Summary:We have experimentally created perfect optical vortices by the Fourier transformation of holographic masks with combination of axicons and spiral functions, which are displayed on a transmission liquid crystal spatial light modulator. We showed theoretically that the size of the annular vortex in the Fourier plane is independent of the spiral phase topological charge but it is dependent on the axicon. We also studied numerically and experimentally the free space diffraction of a perfect optical vortex after the Fourier back plane and we found that the size of the intensity pattern of a perfect optical vortex depends on the topological charge and the propagation distance.
ISSN:1687-9384
1687-9392
DOI:10.1155/2017/6852019