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    Area of Science:

    • Optics and Photonics
    • Materials Science
    • Nanotechnology

    Background:

    • Metasurfaces offer advanced optical control but traditional designs are limited by incidence angle sensitivity.
    • Understanding and mitigating angular dispersion is crucial for next-generation optical components.

    Purpose of the Study:

    • To develop a novel method for modeling and designing phase gradient metasurfaces adaptable to varying field incidence angles.
    • To overcome limitations of traditional metasurface placement and improve existing design strategies.
    • To demonstrate practical benefits including size, weight, and power reduction and optical aberration correction.

    Main Methods:

    • Development of a phase gradient metasurface modeling technique accounting for angular dispersion.
    • Informed selection and generalized placement of meta-atoms within optical systems.
    • Design and simulation of metasurface prototypes for specific optical functions.

    Main Results:

    • Demonstrated ability to design metasurfaces with angle-dependent responses.
    • Achieved significant size, weight, and power (SWaP) reduction in sample designs.
    • Successfully implemented field curvature control and aberration correction using the proposed method.

    Conclusions:

    • The presented method offers a versatile approach to metasurface design, improving performance and enabling new applications.
    • This work facilitates the integration of metasurfaces into more complex optical systems with enhanced functionalities.
    • The demonstrated SWaP reduction and aberration correction highlight the practical advantages of the new design methodology.