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Updated: Jul 7, 2025

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基于非均相板的元表面的异质19核纤维的进/退风扇

Yang Wang, Xutao Wang, Chunshu Li

|December 22, 2023

概括

我们开发了一种超表面的进/退风扇装置,用于空间分割多重复合. 这项技术有效地连接多核纤维和单模纤维,改进光通信系统.

科学领域:

光学和光子学在光学和光子学.
光学通信是指光学通信.
超材料是指一种超材料.

背景情况:

空间分割复杂化 (SDM) 对于增加光学传输能力至关重要.
需要高效的进/退风扇 (FIFO) 设备来相互连接多核纤维 (MCF) 和单模纤维 (SMF).
现有的FIFO解决方案往往缺乏适用于异质光纤配置的灵活性.

研究的目的:

提出和演示一种新的基于地表的FIFO设备.
为了在C频段中实现MCF和SMF之间的高效光合.
为各种异质纤维布局提供灵活的解决方案.

主要方法:

用非均相板设计一个超表面的设计.
用异质的19核纤维整合元表面.
介绍插入损失和跨频段交声性能的特征.

主要成果:

在1550 nm的平均插入损失为0.85 dB.
在1550公里海上达到25.5dB的最大交叉声.
在整个C频段中,已证明插入损失低于2.78dB,交叉声低于19.96dB.

结论:

拟议的基于地表的FIFO设备为SDM系统提供了高性能.
该设计提供了一种灵活可扩展的解决方案,用于连接不同类型的光纤.
这项技术可以提高光通信网络的容量.

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Steady, Laminar Flow Between Parallel Plates

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Understanding steady, laminar flow between parallel plates is essential for analyzing and designing flow in narrow rectangular channels, commonly found in various water conveyance and drainage systems. The Navier-Stokes equations govern fluid motion and are generally challenging to solve due to their nonlinearity. However, simplifications are possible in certain cases, like the steady laminar flow between parallel plates. For this scenario, we assume steady, incompressible, laminar flow.