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    Researchers developed phase screen models to simulate wave propagation in optical media with memory effects. These models simplify analysis of both classical and generalized optical memory effects, enhancing understanding of wave correlations.

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    Area of Science:

    • Optics and Photonics
    • Wave Propagation
    • Computational Physics

    Background:

    • Optical memory effects are crucial for various applications.
    • Understanding wave propagation through complex optical media is essential.
    • Previous models may not fully capture advanced memory effects.

    Purpose of the Study:

    • To propose phase screen models for analyzing optical memory effects.
    • To facilitate simulation of wave propagation in media with memory.
    • To provide models for both classical and generalized optical memory effects.

    Main Methods:

    • Development of single random phase screen models.
    • Proposal of generalized random phase screen models.
    • Analysis of tilt and shift wave correlations in scattered fields.

    Main Results:

    • A single random phase screen effectively models the classical optical memory effect.
    • A generalized random phase screen model is proposed for the generalized optical memory effect.
    • The models facilitate analysis and simulation of wave propagation.

    Conclusions:

    • Phase screen models offer a simplified approach to studying optical memory effects.
    • The proposed models are applicable to both classical and generalized memory phenomena.
    • This work enhances the simulation capabilities for wave propagation in optical media.