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The Generation of Higher-order Laguerre-Gauss Optical Beams for High-precision Interferometry
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Parallel creation of propagable integer- and fractional-order vector vortex beams using mode extraction principle.

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    Researchers generated parallel channels of fractional- and integer-order vector vortex beams using mode extraction. This technique allows simultaneous control over polarization and phase, overcoming challenges in creating complex optical beam structures.

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    Area of Science:

    • Optics and Photonics
    • Quantum Optics
    • Light-Matter Interactions

    Background:

    • Fractional-order vector vortex beams offer novel optical functionalities.
    • Generating multiple, complex vector vortex beam channels presents significant challenges due to intricate polarizations.

    Purpose of the Study:

    • To develop a method for parallel generation of fractional- and integer-order vector vortex beams.
    • To address the challenge of creating multiple vector vortex beam channels.

    Main Methods:

    • Utilized the mode extraction principle.
    • Employed an optical pen in conjunction with an objective lens's focal region.
    • Extracted beams from a single high-order vector vortex beam (m=30).

    Main Results:

    • Successfully generated fractional- and integer-order vector vortex beams in parallel.
    • Demonstrated control over the number, position, amplitude, and phase of the extracted beams via optical pen parameters.
    • Showcased simultaneous manipulation of light beam polarization and phase.

    Conclusions:

    • The mode extraction principle provides an effective method for generating and controlling multiple vector vortex beams.
    • This technique offers new possibilities for manipulating light polarization and phase simultaneously.
    • Potential for new applications in optics utilizing controlled vector vortex beams.