Off-Axis Spiral Phase Mirrors for Generating High Intensity Optical Vortices
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...
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| creator | Longman, Andrew Salgado, Carlos Zeraouli, Ghassan Apinaniz, Jon I Perez-Hernandez, Jose Antonio M Khairy Eltahlawy Volpe, Luca Fedosejevs, Robert |
| description | 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. |
| doi_str_mv | 10.48550/arxiv.2001.07813 |
| format | Article |
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| language | eng |
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| source | Freely Accessible Journals; arXiv.org |
| subjects | High power lasers Incidence angle Lasers Physics - Applied Physics Physics - Optics Physics - Plasma Physics Vortices |
| title | Off-Axis Spiral Phase Mirrors for Generating High Intensity Optical Vortices |
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