Topological charges measurement of circular Bessel Gaussian beam with multiple vortex singularities via cross phase

In this paper, we firstly propose a method to measure the topological charges (TCs) of a circular Bessel Gaussian beam with multiple vortex ...

Source: Optics Express - April 11, 2024 Category: Physics Authors: Jian Yu Huihong Long Shandong Tong Yuan Luo Peichao Zheng Zhe Zhang Zhiyong Bai Source Type: research