Elliptical spiral zone plate fabrication using direct laser writing for generating an elliptical perfect vortex beam

We report and fabricate a novel, to our knowledge, vortex beam generator called elliptical spiral zone plate (ESZP) using direct laser ...

Source: Optics Letters - February 27, 2024 Category: Physics Authors: Minglong Li Haodong Zhu Yi Huang Ruiqi Yin ZhenYu Yang Ming Zhao Source Type: research