Achromatic optics using nonlinear plasma lenses for beam-quality preservation between plasma-accelerator stages
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arXiv
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| Autores principales: | , , , , , , , , |
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| Formato: | Preprint |
| Publicado: |
2026
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| _version_ | 1866911605839626240 |
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| author | Lindstrøm, C. A. Adli, E. Chen, J. B. B. Drobniak, P. Huebl, A. Kalvik, D. Mitchell, C. E. Peña, F. Sjobak, K. N. |
| author_facet | Lindstrøm, C. A. Adli, E. Chen, J. B. B. Drobniak, P. Huebl, A. Kalvik, D. Mitchell, C. E. Peña, F. Sjobak, K. N. |
| contents | Plasma acceleration promises to deliver high-energy particle beams by combining, or staging, several low- or medium-energy accelerator stages. However, chromatic aberrations from the combination of high divergence and energy spread make it nontrivial to transport beams between plasma-accelerator stages. This paper describes a compact and achromatic lattice optimized for staging, based on a new beam-optics element; a nonlinear plasma lens. The lattice preserves emittance for energy spreads up to several percent and has a tunable $R_{56}$ that enables bunch-length preservation or a longitudinal self-correction mechanism. The performance and limitations of the plasma-lens-based solution are modeled analytically and numerically, and compared to a more conventional yet novel solution based on quadrupole and sextupole magnets. While functional, the latter is double the length, has about twice the number of elements and a narrower energy bandwidth. Lastly, a solution for scaling to TeV energies is described, in which all lengths scale with the square root of the energy and the deleterious effects of coherent and incoherent synchrotron radiation are mitigated. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2604_17605 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Achromatic optics using nonlinear plasma lenses for beam-quality preservation between plasma-accelerator stages Lindstrøm, C. A. Adli, E. Chen, J. B. B. Drobniak, P. Huebl, A. Kalvik, D. Mitchell, C. E. Peña, F. Sjobak, K. N. Accelerator Physics Plasma acceleration promises to deliver high-energy particle beams by combining, or staging, several low- or medium-energy accelerator stages. However, chromatic aberrations from the combination of high divergence and energy spread make it nontrivial to transport beams between plasma-accelerator stages. This paper describes a compact and achromatic lattice optimized for staging, based on a new beam-optics element; a nonlinear plasma lens. The lattice preserves emittance for energy spreads up to several percent and has a tunable $R_{56}$ that enables bunch-length preservation or a longitudinal self-correction mechanism. The performance and limitations of the plasma-lens-based solution are modeled analytically and numerically, and compared to a more conventional yet novel solution based on quadrupole and sextupole magnets. While functional, the latter is double the length, has about twice the number of elements and a narrower energy bandwidth. Lastly, a solution for scaling to TeV energies is described, in which all lengths scale with the square root of the energy and the deleterious effects of coherent and incoherent synchrotron radiation are mitigated. |
| title | Achromatic optics using nonlinear plasma lenses for beam-quality preservation between plasma-accelerator stages |
| topic | Accelerator Physics |
| url | https://arxiv.org/abs/2604.17605 |