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Related Experiment Videos

'Photonic Hook' based optomechanical nanoparticle manipulator.

Angeleene S Ang1,2,3, Alina Karabchevsky4,5, Igor V Minin6

  • 1Electrooptical Engineering Unit, Ben-Gurion University, Beer-Sheva, 8410501, Israel. angeleene.ang@gmail.com.

Scientific Reports
|February 3, 2018
PubMed
Summary

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Specialized electromagnetic fields enable nanoparticle manipulation. A curved photonic jet, or "photonic hook," guides gold nanoparticles around glass obstacles but is disrupted by gold obstructions.

Area of Science:

  • Optics and Photonics
  • Nanotechnology
  • Materials Science

Background:

  • Electromagnetic fields offer precise control over nanoparticle motion.
  • Photonic jets, particularly curved ones like the photonic hook, are emerging tools for particle manipulation.
  • Understanding field-particle interactions is crucial for advanced nanotechnology applications.

Purpose of the Study:

  • To investigate nanoparticle manipulation using optical forces from a photonic hook generated by an asymmetric cuboid.
  • To analyze the effect of obstacles on the photonic hook's guiding capabilities.
  • To explore potential applications in micro-assembly and obstacle avoidance.

Main Methods:

  • Simulating the optical forces generated by a photonic hook created using a cube with an appended triangular prism.

Related Experiment Videos

  • Modeling the trajectory of a gold nanoparticle within the photonic hook's field.
  • Introducing glass and gold obstacles of varying sizes and compositions to assess their impact on nanoparticle movement.

    • Main Results:

    • A gold nanoparticle successfully followed a curved trajectory within the photonic hook.
    • The photonic hook demonstrated the ability to guide nanoparticles around glass obstacles of limited thickness.
    • Larger glass obstacles led to stable nanoparticle trapping.
    • Gold obstacles significantly disrupted the photonic jet's field and nanoparticle trajectory.

    Conclusions:

    • Photonic hooks provide a viable mechanism for guided nanoparticle transport.
    • The interaction with obstacles critically influences the trajectory, with material type and size being key factors.
    • This research highlights the potential and limitations of photonic hooks for navigating complex environments with nanoparticles.