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Electromagnetic phase coherence gratings for atmospheric applications.

Yalçin Ata, Olga Korotkova

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    |October 15, 2021
    PubMed
    Summary

    Electromagnetic phase coherence gratings (EMPCGs) enable precise spatial separation of polarized light beams. Their polarization shifts remain stable despite atmospheric turbulence, promising robust optical communication and energy transfer systems.

    Area of Science:

    • Optics and Photonics
    • Atmospheric Optics
    • Electromagnetism

    Background:

    • Atmospheric turbulence distorts light beams, affecting polarization.
    • Existing methods struggle with polarization segregation in turbulent environments.

    Purpose of the Study:

    • To introduce electromagnetic phase coherence gratings (EMPCGs) for spatial segregation of polarimetric components.
    • To investigate the invariance of EMPCGs' polarization shifts in atmospheric turbulence.

    Main Methods:

    • Theoretical analysis of EMPCGs' behavior in turbulent media.
    • Simulation of beam propagation and polarization component shifts.

    Main Results:

    • EMPCGs achieve fine spatial segregation of polarimetric beam components.

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  • Off-axis shifts in EMPCG polarimetric components are invariant to turbulence strength.

    • Conclusions:

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    • This invariance enables new possibilities for optical communication, energy transfer, and imaging systems.