接近场中的非整数触点单数束:用于拓电荷测定的对线相位移全息
E Peters1, G Funes1, E Tajahuerce2
1Facultad de Ingeniería y Ciencias Aplicadas, Universidad de los Andes, Santiago, Chile.
Chaos (Woodbury, N.Y.)
|April 1, 2025
概括
我们介绍了具有分数拓电荷 (TC) 的新触点奇点束. 这些光束是用切片触角函数创建的,提供可控制的非整数相跳和独特的振幅配置文件.
科学领域:
- 光学和光子学 在光学和光子学.
- 量子光学是一种量子光学.
- 激光物理 激光物理
背景情况:
- 光学光束中的拓电荷 (TC) 通常是一个整数.
- 分数或非整数TC光束的探索较少.
- 单点束具有独特的相位结构.
研究的目的:
- 介绍和描述具有分数拓电荷 (TC) 的新型触点奇点束.
- 调查控制分数TC的方法.
- 分析这些新光束的振幅配置和TC.
主要方法:
- 通过模块化空间相,用切片触角函数构建梁.
- 数字模拟用于研究振幅配置文件和TC.
- 实验验证使用对线相位移数字全息图用于近场TC重建.
主要成果:
- 成功生成了与非整数TC的触点奇点束.
- 通过周期性和范围限制参数来证明对TC的控制.
- 在近场中实验验证了计算的分数TC.
结论:
- 引入了一种新的光束类别,具有可调节的分数拓电荷.
- 切片触角函数为生成复杂的束结构提供了一种多功能方法.
- 实验结果证实了这些新型光束的理论预测.
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