使用兰杰文方程,研究压力和无压力多模式步进指数POF中的模式合
Svetislav Savović1, Konstantinos Aidinis2,3, Alexandar Djordjevich4
1University of Kragujevac, R. Domanovića 12, 34000, Kragujevac, Serbia.
Heliyon
|August 4, 2023
概括
应力聚合物光纤表现出更强的模式合,导致平衡模式分布和稳定状态分布的长度更短. 兰杰文方程有效地模拟了这种现象在多模阶段指数聚合物光纤中.
科学领域:
- 光学是什么?光学是什么?光学是什么?
- 材料科学 材料科学 材料科学
- 电信 电信服务 电信服务 电信服务
背景情况:
- 聚合物光纤 (POF) 中的模式合会影响信号传输和传感器性能.
- 了解模式合上的应变效应对于优化POF应用至关重要.
- 朗格温方程 (LE) 和功率流方程 (PFE) 是光纤分析的既定模型.
研究的目的:
- 通过使用兰杰文方程,评估应力和无应力多模步进指数聚合物光纤 (SI POF) 中的模式合.
- 为了比较LE与PFE的有效性,用于模拟模式合.
- 调查应变对合长度和稳定状态分布的影响.
主要方法:
- 用于模式合分析的朗格温方程 (LE) 的数值解.
- 将LE结果与功率流量方程 (PFE) 的数值解进行比较.
- 在应力和非应力条件下对SI POF进行实验或模拟分析.
主要成果:
- LE的数值解决方案与PFE的解决方案完全匹配.
- 应变诱导模式合在应变SI POF中相比于未应变的SI POF中明显更强.
- 张力纤维在较短的长度上实现平衡模式分布 (EMD) 和稳定状态分布 (SSD),而不是未张力纤维.
结论:
- 兰格温方程是模拟应力和无应力SI POF模式合的有效和有效工具,考虑随机扰动.
- 应变明显增强模式合,影响模式稳定所需的特征长度.
- 这些发现支持利用SI POF的通信和传感系统的增强,特别是在曲条件下,通过实现精确的模式分布计算.
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