Probing the topological charge of a vortex beam with dynamic angular double slits
Optics
2015-06-23 v1 Quantum Physics
Abstract
When a vortex beam with the spiral phase structure passes through a dynamic angular double slits (ADS), the interference pattern changes alternatively between destructive and constructive at the angular bisector direction of the ADS due to their phase difference. Based on this property, we experimentally demonstrate a simple method, which can precisely and efficiently determine the topological charge of vortex beams. What is more, this scheme allows determining both the modulus and sign of the topological charge of vortex beams simultaneously.
Keywords
Cite
@article{arxiv.1501.05986,
title = {Probing the topological charge of a vortex beam with dynamic angular double slits},
author = {Dongzhi Fu and Dongxu Chen and Ruifeng Liu and Yunlong Wang and Hong Gao and Fuli Li and Pei Zhang},
journal= {arXiv preprint arXiv:1501.05986},
year = {2015}
}
Comments
4 pages, 4 figures