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Scanning SQUID Study of Vortex Manipulation by Local Contact
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Review on fractional vortex beam.

Hao Zhang1, Jun Zeng2, Xingyuan Lu1

  • 1School of Physical Science and Technology, Soochow University, Suzhou 215006, China.

Nanophotonics (Berlin, Germany)
|December 5, 2024
PubMed
Summary
This summary is machine-generated.

Fractional vortex beams offer unique properties for advanced applications. This review covers their models, generation, and use in micro-particle manipulation and quantum entanglement.

Keywords:
fractional vortex beamorbital angular momentumphase stepsingular opticsstructured lighttopological charge jump

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Area of Science:

  • Optics and Photonics
  • Quantum Information Science

Background:

  • Fractional vortex beams are key complements to integer vortex beams.
  • They exhibit unique properties like notched intensity and complex phase structures.
  • These beams enable sophisticated orbital angular momentum modulation.

Purpose of the Study:

  • To review recent advances in fractional vortex beams.
  • To cover theoretical models, propagation, generation, and measurement.
  • To explore their applications and future challenges.

Main Methods:

  • Review of theoretical models and propagation characteristics.
  • Analysis of generation techniques for fractional vortex beams.
  • Examination of measurement methods and experimental setups.

Main Results:

  • Fractional vortex beams are widely used in optical tweezers for micro-particle manipulation.
  • They enhance communication capacity and enable controllable image edge enhancement.
  • Applications extend to quantum entanglement and micro/nano-optical devices.

Conclusions:

  • Fractional vortex beams are crucial for advanced optical applications.
  • Continued research is driven by their unique physical phenomena and potential.
  • Future directions include exploring new beam sources and micro/nano-optical devices.