在动荡的大气中叠加的扭曲的赫尔米特-高斯斯-谢尔模型束的扭曲的分裂和传播因子
Optics express
|June 11, 2024
概括
开发了一种新的叠加扭曲赫尔米特-高斯斯模 (STHGSM) 束. 这个光束在非科尔摩戈罗夫流中表现出分裂和旋转,在更高的数量级上具有更好的阻力.
科学领域:
- 光学和光子学 在光学和光子学.
- 梁传播 梁传播
- 流的影响 流效应
背景情况:
- 通过流媒介传播光束对于自由空间光通信至关重要.
- 了解在大气流中新型光束结构的行为对于强大的光学系统至关重要.
- 现有的光束模型可能无法完全捕捉非科尔摩戈罗夫流下复杂的强度演变.
研究的目的:
- 提出和分析一个新的叠加扭曲的赫尔米特-高斯斯贝尔模型 (STHGSM) 束.
- 研究STHGSM光束在非科尔摩戈罗夫流中传播特征和强度分布.
- 评估拟议的STHGSM光束的抗流能力.
主要方法:
- 使用一般化惠根斯-弗雷内尔原理 (HFP) 来推导强度分布和传播因子的分析公式.
- 利用维格纳函数在非科尔摩戈罗夫流中建模束演变.
- 数值计算和分析STHGSM光束传播特征.
主要成果:
- 在非科尔摩戈罗夫流中,STHGSM光束的强度经历分裂和在传播轴周围旋转.
- 束在特定的传输距离后演变为对角叶形状.
- 增加光束顺序或扭曲因子可以提高STHGSM光束的反流能力.
结论:
- 拟议的STHGSM光束在非科尔摩戈罗夫流中展示了独特的强度演变动态.
- STHGSM光束对于需要在动荡的大气条件下强大的传播的应用具有显著的潜力.
- 高级STHGSM光束和增加的扭曲因子提供了对流效应的优越弹性.
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