Laser-plasma acceleration in a conical plasma channel with longitudinally inhomogeneous plasma profile
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arXiv
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| Autori principali: | , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2025
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| _version_ | 1866910987086462976 |
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| author | Bondar, D. S. Leemans, W. Maslov, V. I. Onishchenko, I. N. |
| author_facet | Bondar, D. S. Leemans, W. Maslov, V. I. Onishchenko, I. N. |
| contents | Laser-plasma acceleration is considered as a modern method of accelerating bunches using a wakefield excited by a laser pulse. This paper demonstrates the use of a longitudinally inhomogeneous increasing plasma density gradient in a conical channel to increase of the energy of a self-injected bunch. Comparison of a conical channels with homogeneous and inhomogeneous plasma and also conical and cylindrical homogeneous channels, shows a clear advantage of an inhomogeneous conical channel. The longitudinally inhomogeneous plasma helps to maintain the self-injected bunch in the wakefield acceleration phase and increases the accelerating gradient. The conical geometry prevents laser pulse expanding, and compress it. The combined effect was shown: the inhomogeneous plasma use, the effect of a conical geometry led to significant increasing the accelerating gradient and longitudinal momentum of the bunch. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2506_04021 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Laser-plasma acceleration in a conical plasma channel with longitudinally inhomogeneous plasma profile Bondar, D. S. Leemans, W. Maslov, V. I. Onishchenko, I. N. Plasma Physics Accelerator Physics 65Z05 F.2.1 Laser-plasma acceleration is considered as a modern method of accelerating bunches using a wakefield excited by a laser pulse. This paper demonstrates the use of a longitudinally inhomogeneous increasing plasma density gradient in a conical channel to increase of the energy of a self-injected bunch. Comparison of a conical channels with homogeneous and inhomogeneous plasma and also conical and cylindrical homogeneous channels, shows a clear advantage of an inhomogeneous conical channel. The longitudinally inhomogeneous plasma helps to maintain the self-injected bunch in the wakefield acceleration phase and increases the accelerating gradient. The conical geometry prevents laser pulse expanding, and compress it. The combined effect was shown: the inhomogeneous plasma use, the effect of a conical geometry led to significant increasing the accelerating gradient and longitudinal momentum of the bunch. |
| title | Laser-plasma acceleration in a conical plasma channel with longitudinally inhomogeneous plasma profile |
| topic | Plasma Physics Accelerator Physics 65Z05 F.2.1 |
| url | https://arxiv.org/abs/2506.04021 |