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    Tiled arrays effectively correct deep turbulence effects. Wave-optics simulations show tiled arrays outperform LSPV+7 in adaptive optics, especially under strong scintillation.

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    Area of Science:

    • Adaptive Optics
    • Wave Optics
    • Optical Engineering

    Background:

    • Deep turbulence poses significant challenges for optical systems.
    • Phase compensation and coherent beam combination are key techniques.
    • The branch-point problem in adaptive optics requires robust solutions.

    Purpose of the Study:

    • To compare the closed-loop performance of tiled arrays against the LSPV+7 reconstructor.
    • To evaluate performance under varying scintillation conditions (weak-to-strong).
    • To explore the trade-offs for power-in-the-bucket efficiency.

    Main Methods:

    • Utilizing wave-optics simulations with a point-source beacon.
    • Implementing modulo-2π phase compensation and coherent beam combination for tiled arrays.
    • Comparing tiled arrays with the branch-point-tolerant LSPV+7 phase reconstructor.

    Main Results:

    • Tiled arrays demonstrate superior performance compared to LSPV+7.
    • This outperformance is particularly evident during transitions from weak to strong scintillation.
    • Power-in-the-bucket efficiency analysis supports these findings.

    Conclusions:

    • Tiled arrays offer a promising solution for the branch-point problem in adaptive optics.
    • The results provide valuable insights for designing systems to mitigate deep turbulence effects.
    • Further investigation into tiled arrays is encouraged for advanced optical applications.