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Steady optical beam propagating through turbulent environment.

Xingwang Kang, Xiuting Yang, Jian Ma

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    |March 18, 2022
    PubMed
    Summary

    A novel steady optical beam (SOB) demonstrates superior propagation stability in disordered media compared to Gaussian beams. This robust beam shows reduced divergence and deformation, benefiting optical communications and detection in turbulent environments.

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    Area of Science:

    • Optics and Photonics
    • Wave Propagation

    Background:

    • Disordered media and turbulent environments pose significant challenges for stable light beam propagation.
    • Conventional Gaussian beams suffer from high divergence and deformation, limiting their use in practical applications.

    Purpose of the Study:

    • To construct and characterize a steady optical beam (SOB) with enhanced propagation stability in disordered media.
    • To compare the propagation characteristics of the SOB with a conventional Gaussian beam.

    Main Methods:

    • Utilized a specially designed aspherical lens to generate the steady optical beam.
    • Conducted theoretical analysis and experimental measurements to evaluate beam properties.
    • Assessed divergence, Rayleigh length, and deformation in turbulent environments.

    Main Results:

    • The generated SOB exhibited significantly smaller divergence and longer Rayleigh length compared to Gaussian beams.
    • The SOB showed markedly weaker deformation when propagating through a turbulent environment.
    • The beam parameter product of the SOB reached 49.40% of the Gaussian beam's value.

    Conclusions:

    • The developed SOB offers superior propagation stability and resilience in disordered and turbulent conditions.
    • The SOB's enhanced properties make it a promising candidate for optical communications and detection systems operating in challenging environments.