Off-Axis Spiral Phase Mirrors for Generating High Intensity Optical Vortices
Optics
2020-04-22 v1 Applied Physics
Plasma Physics
Abstract
In this work, we present a novel and practical method for generating optical vortices in high-power laser systems. Off-axis spiral phase mirrors are used at oblique angles of incidence in the beam path after amplification and compression allowing for the generation of high-power optical vortices in almost any laser system. An off-axis configuration is possible via modification of the azimuthal gradient of the spiral phase helix and is demonstrated with a simple model using a discrete spiral staircase. This work presents the design, fabrication, and implementation of off-axis spiral phase mirrors in both low and high-power laser systems.
Keywords
Cite
@article{arxiv.2001.07813,
title = {Off-Axis Spiral Phase Mirrors for Generating High Intensity Optical Vortices},
author = {Andrew Longman and Carlos Salgado and Ghassan Zeraouli and Jon. I. Apinaniz and Jose Antonio Perez-Hernandez and M. Khairy Eltahlawy and Luca Volpe and Robert Fedosejevs},
journal= {arXiv preprint arXiv:2001.07813},
year = {2020}
}