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螺旋倒置针梁:在强大大气动荡中减轻闪

Sotiris Droulias, Michalis Loulakis, Dimitris G Papazoglou

|August 29, 2024

概括

携带轨道角动量 (OAM) 的新反转针束 (PBs) 在大气流中显著降低了强度闪. 这一进步提高了自由空间光通信系统的性能和可靠性,特别是在具有挑战性的条件下.

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:

大气流会导致光束中的强度闪,降低自由空间光通信 (FSOC) 系统的性能.
之前已经证明,反向针梁 (PBs) 比高斯式或其他针梁更有效地减轻闪光.

研究的目的:

调查反转针束 (PBs) 的闪光抑制能力,这些束也携带轨道角动量 (OAM).
评估带有OAM的PBs在动荡条件下改善FSOC链路可用性的潜力.

主要方法:

通过模拟大气流来产生和传播带有和没有轨道角动量 (OAM) 的倒置针束.
使用闪指数量化闪强度的量化.

主要成果:

与非OAM PBs和标准光束相比,带有轨道角动量 (OAM) 的反转针梁 (PBs) 显示出更好的强度闪抑制.
在中度到强的流条件下观察到增强的闪减弱.

结论:

轨道角动量 (OAM) 进一步增强了反转针梁 (PBs) 的抗流性能.
携带OAM的反转针梁为强大可靠的自由空间光通信系统提供了有前途的解决方案.

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