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    Free Space Vortex Light by Diffraction of a Bessel Beam From Optical Fiber

    Free Space Vortex Light by Diffraction of a Bessel Beam From Optical Fiber by Hang Ruan, Liang Wang, Shengnan Wu, Liu liu, Bin Zhou

    Published 2017-01-01

    A free space vortex light generator is designed based on the diffraction of an optical Bessel beam. The Bessel beam propagating in a single mode fiber is modulated by a helical phase disk designed at the fiber end and gradually evolves to vortex light in free space. The properties of the generator s...

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