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使用角立方侧移反射器的三孔阵列的活相锁定.

Benjamin Petrak, Michael Krainak

    Optics express
    |November 14, 2024
    PubMed
    概括

    一种新方法使用反光反射器用于连贯光束组合到光通信阵列中. 这种技术简化了光学,使大直径系统能够高效的相位和尖端/倾斜锁定.

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    科学领域:

    • 光学和光子学 在光学和光子学.
    • 自由空间光学通信自由空间光学通信

    背景情况:

    • 连贯光束组合对于高功率的远距离光通信至关重要.
    • 传统方法通常需要庞大而复杂的采样光学.
    • 大直径阵列对于卫星间通信是必不可少的,但也带来了对齐方面的挑战.

    研究的目的:

    • 开发一种新的,简化的技术,用于连贯光束组合到三孔阵列中.
    • 为了实现高效的相位和尖端/倾斜锁定,用于光通信系统.
    • 为了减少大直径阵列采样光学的复杂性和尺寸.

    主要方法:

    • 一个反光反射器从每个孔口的边缘取样光束.
    • 采样的光束通过中央间隙重新引导回来,携带相位和角度信息.
    • 随机平行梯度下降算法用于通过针孔最大化远场功率以进行相位锁定.

    主要成果:

    • 证明了三孔阵列的成功相锁.
    • 该技术有效地利用采样的光束信息进行对齐.
    • 实现了消除体积庞大的采样光学.

    结论:

    • 这种基于反射器的新技术为连贯光束组合提供了一种简化方法.
    • 这种方法对于大直径阵列在卫星间自由空间光学通信中特别有利.
    • 这种方法减少了光学复杂性,并提高了系统的实用性.

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