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- W4387078650 abstract "Abstract Orbital angular momentum (OAM), as a new degree of freedom, has recently been applied in holography technology. Due to the infinite helical mode index of OAM mode, a large number of holographic images can be reconstructed from an OAM-multiplexing hologram. However, the traditional design of OAM hologram is constrained by the helical mode index of the selected OAM mode, for a larger helical mode index OAM mode has a bigger sampling distance, and the crosstalk is produced for different sampling distances for different OAM modes. In the paper, we present the design of OAM hologram based on Bessel-Gaussian beam, which is non-diffractive and has a self-healing property during its propagation. The Fourier transform of the BesselGaussian beam is the perfect vortex mode that has the fixed ring radius for different OAM modes. The results of simulation and experiment have demonstrated the feasibility of the generation of OAM hologram with Bessel-Gaussian beam. The quality of the reconstructed holographic image is increased, and the security is enhanced. Additionally, the anti-interference property is improved owing to its self-healing property of the Bessel-OAM holography." @default.
- W4387078650 created "2023-09-28" @default.
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- W4387078650 date "2023-09-28" @default.
- W4387078650 modified "2023-09-28" @default.
- W4387078650 title "Bessel-Gaussian beam based orbital angular momentum holography" @default.
- W4387078650 doi "https://doi.org/10.1088/1674-1056/acfdff" @default.
- W4387078650 hasPublicationYear "2023" @default.
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