直接生成螺旋式马修-高斯光束,使用仅相位的配置文件
Zheng Xu1, Yubo Shi1, Xuemei Ren1
1Institute of Acoustics, Tongji University, Shanghai 200092, China.
The Journal of the Acoustical Society of America
|July 3, 2025
概括
研究人员开发了一种简化的方法来创建无衍射螺旋马修-高斯 (HMG) 束. 这种技术简化了计算,并保持了用于声学应用的光束质量.
科学领域:
- 声学物理学的声学物理学
- 梁光学是一种光学.
背景情况:
- 无衍射束在粒子操纵,成像和通信方面具有优势.
- 螺旋式马修-高斯 (HMG) 束是一种具有独特性质的无衍射束.
研究的目的:
- 为了展示一个简化的单相方法来产生HMG束.
- 为了提供一个计算效率高的替代产生的结构化声波束.
主要方法:
- 在衍射过程中采用单步相调.
- 开发了相分布的近似分析表达式,避免了复杂的马修函数计算.
- 利用数值模拟来验证光束属性.
主要成果:
- 成功生成了具有传播不变性的HMG光束.
- 模拟的光束与理论的HMG光束特性非常相匹配.
- 与现有技术相比,简化方法在光束质量上没有妥协.
结论:
- 拟议的简化单相方法是生成HMG光束的实用方法.
- 这种方法为声学应用提供了数学简化,而不会牺牲光束质量.
- 该技术适用于需要结构化声波束场的应用.
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