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Resonant optical gun.

A V Maslov, M I Bakunov

    Optics Letters
    |May 3, 2014
    PubMed
    Summary

    We introduce a resonant optical gun for efficient microparticle propulsion using light forces. This structure achieves propulsion up to twice the theoretical maximum momentum flow.

    Area of Science:

    • Optics
    • Photonics
    • Microparticle manipulation

    Background:

    • Light forces are used for microparticle manipulation.
    • Current methods face limitations in efficiency and force generation.

    Purpose of the Study:

    • To propose a novel structure, the resonant optical gun, for efficient dielectric microparticle propulsion.
    • To investigate the mechanism of light-induced propulsion using electromagnetic momentum flow reversal.

    Main Methods:

    • Conceptualizing a waveguide structure.
    • Utilizing whispering gallery resonance excitation in microparticles.
    • Analyzing electromagnetic momentum flow reversal.

    Main Results:

    • The resonant optical gun enables efficient microparticle propulsion.

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  • Propelling force can reach twice the theoretical maximum momentum flow.
  • High-amplitude, oscillating force density along the particle periphery.

    • Conclusions:

    • The resonant optical gun is a promising concept for advanced optical trapping and manipulation.
    • This structure offers a pathway to significantly enhance light-driven propulsion forces.