光学
贝塞尔函数
横截面
物理
贝塞尔光束
计算机科学
结构工程
工程类
作者
Yanke Li,Yu Zhang,Zhaojin Guo,Sheng Liu,Peng Li,Bingyan Wei,Dandan Wen,Jianlin Zhao
出处
期刊:Chinese Optics Letters
[Shanghai Institute of Optics and Fine Mechanics]
日期:2024-01-01
卷期号:22 (2): 022601-022601
标识
DOI:10.3788/col202422.022601
摘要
Based on the transverse-longitudinal mapping of Bessel beams, we propose a simple method to construct a self-similar Bessel-like beam whose transverse profile maintains a stretched form during propagation. Specifically, the propagating-variant width of this beam can be flexibly predesigned. We experimentally demonstrate three types of self-similar Bessel-like beams whose width variations are linear, piecewise, and period functions of propagation distance, respectively. The experimental results match well with the theoretical predictions. We also demonstrate that our approach enables the generation of self-similar higher-order vortex Bessel-like beams.
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