Energy scaling in a compact bulk multi-pass cell enabled by Laguerre-Gaussian single-vortex beams
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| Main Authors: | , , , , , , , |
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| Format: | Preprint |
| Published: |
2024
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| _version_ | 1866929635059564544 |
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| author | Koltalo, Victor Westerberg, Saga Redon, Melvin Beaufort, Gaspard Raab, Ann-Kathrin Guo, Chen Arnold, Cord L. Viotti, Anne-Lise |
| author_facet | Koltalo, Victor Westerberg, Saga Redon, Melvin Beaufort, Gaspard Raab, Ann-Kathrin Guo, Chen Arnold, Cord L. Viotti, Anne-Lise |
| contents | We report pulse energy scaling enabled by the use of Laguerre-Gaussian single-vortex ($\text{LG}_{0,l}$) beams for spectral broadening in a sub-40 cm long Herriott-type bulk multi-pass cell. Beams with orders ${l= 1-3}$ are generated by a spatial light modulator, which facilitates rapid and precise reconfiguration of the experimental conditions. 180 fs pulses with 610 uJ pulse energy are post-compressed to 44 fs using an $\text{LG}_{0,3}$ beam, boosting the peak power of an Ytterbium laser system from 2.5 GW to 9.1 GW. The spatial homogeneity of the output $\text{LG}_{0,l}$ beams is quantified and the topological charge is spectrally-resolved and shown to be conserved after compression by employing a custom spatio-temporal coupling measurement setup. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2412_12613 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Energy scaling in a compact bulk multi-pass cell enabled by Laguerre-Gaussian single-vortex beams Koltalo, Victor Westerberg, Saga Redon, Melvin Beaufort, Gaspard Raab, Ann-Kathrin Guo, Chen Arnold, Cord L. Viotti, Anne-Lise Optics We report pulse energy scaling enabled by the use of Laguerre-Gaussian single-vortex ($\text{LG}_{0,l}$) beams for spectral broadening in a sub-40 cm long Herriott-type bulk multi-pass cell. Beams with orders ${l= 1-3}$ are generated by a spatial light modulator, which facilitates rapid and precise reconfiguration of the experimental conditions. 180 fs pulses with 610 uJ pulse energy are post-compressed to 44 fs using an $\text{LG}_{0,3}$ beam, boosting the peak power of an Ytterbium laser system from 2.5 GW to 9.1 GW. The spatial homogeneity of the output $\text{LG}_{0,l}$ beams is quantified and the topological charge is spectrally-resolved and shown to be conserved after compression by employing a custom spatio-temporal coupling measurement setup. |
| title | Energy scaling in a compact bulk multi-pass cell enabled by Laguerre-Gaussian single-vortex beams |
| topic | Optics |
| url | https://arxiv.org/abs/2412.12613 |