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When optical vortex array meets cycloid.

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    Area of Science:

    • Optics and Photonics
    • Particle Manipulation

    Background:

    • Optical vortex arrays (OVAs) offer unique properties with multiple optical vortices.
    • Existing OVAs lack system-level synergy for manipulating multiple particles.

    Purpose of the Study:

    • To propose and demonstrate a functional OVA, the cycloid OVA (COVA).
    • To explore COVA's potential for advanced manipulation and transfer of multiple particles.

    Main Methods:

    • Developed COVA by combining cycloid and phase-shift techniques.
    • Modified cycloid equations to control COVA structural parameters.
    • Experimentally generated and modulated versatile COVAs.

    Main Results:

    • Achieved local dynamic modulation of COVAs while maintaining overall structure.
    • Designed novel optical gears using two COVAs for potential multi-particle transfer.
    • Demonstrated COVA's capacity to integrate cycloid characteristics.

    Conclusions:

    • COVA provides an alternative method for generating OVAs.
    • This approach enables complex manipulation, arrangement, and transfer of multiple particles.
    • Opens avenues for advanced applications in optical systems.