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Aplanatic Fresnel optics.

Heylal Mashaal, Daniel Feuermann, Jeffrey M Gordon

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    We present a new design method for dual-surface aplanatic Fresnel optics, enabling novel device categories. These compact Fresnel optics achieve high radiative efficiencies and near-thermodynamic limit performance for radiative transfer.

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    Area of Science:

    • Optics and Photonics
    • Optical Engineering

    Background:

    • Aplanatic optics minimize aberrations for improved light manipulation.
    • Fresnel optics offer compact and lightweight designs compared to conventional optics.

    Purpose of the Study:

    • To develop a general design formulation for dual-surface aplanatic Fresnel optics.
    • To identify previously unrecognized categories of these optical devices.

    Main Methods:

    • General formulation for dual-surface aplanatic Fresnel optic design.
    • Raytrace simulations for performance evaluation.

    Main Results:

    • Identification of new categories of aplanatic Fresnel optics.
    • Compact designs with high radiative efficiencies.
    • Optical performance approaching the thermodynamic limit for radiative transfer.

    Conclusions:

    • The general formulation enables the design of advanced aplanatic Fresnel optics.
    • These optics demonstrate competitive performance with continuous counterparts.
    • The findings advance the field of radiative heat transfer and illumination.