Generation and control of Doppler harmonics approaching $10^{22}\textrm{W/cm}^2$ on plasma mirrors
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arXiv
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| Autori principali: | , , , , , , , , , , , , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2026
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| author | Groussin, Baptiste Sikorski, Philipp McIlvenny, Aodhan Oubrerie, Kosta Bartoli, Pierre Obst-Huebl, Lieselotte Vazquez, Anthony Russell, Lulu Mandal, Tirtha Nakamura, Kei Gonsalves, Anthony J. Geddes, Cameron G. R. Fedeli, Luca Vincenti, Henri Leblanc, Adrien |
| author_facet | Groussin, Baptiste Sikorski, Philipp McIlvenny, Aodhan Oubrerie, Kosta Bartoli, Pierre Obst-Huebl, Lieselotte Vazquez, Anthony Russell, Lulu Mandal, Tirtha Nakamura, Kei Gonsalves, Anthony J. Geddes, Cameron G. R. Fedeli, Luca Vincenti, Henri Leblanc, Adrien |
| contents | In this letter, we report Doppler harmonic generation with a relativistic plasma mirror at unprecedented intensities $>10^{21} ~\textrm{W/cm}^2$ using a PetaWatt-class laser. We show that beyond a few $10^{21} ~\textrm{W/cm}^2$ a precise control of the laser contrast at the sub-picosecond time scale becomes essential to drive the efficient generation of high-order harmonics. Such control is paramount for deploying plasma mirrors in high-field applications at PetaWatt-class laser facilities, including, for instance, their use as intensity boosters in the pursuit of the strong-field regime of quantum electrodynamics. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2602_10709 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Generation and control of Doppler harmonics approaching $10^{22}\textrm{W/cm}^2$ on plasma mirrors Groussin, Baptiste Sikorski, Philipp McIlvenny, Aodhan Oubrerie, Kosta Bartoli, Pierre Obst-Huebl, Lieselotte Vazquez, Anthony Russell, Lulu Mandal, Tirtha Nakamura, Kei Gonsalves, Anthony J. Geddes, Cameron G. R. Fedeli, Luca Vincenti, Henri Leblanc, Adrien Plasma Physics In this letter, we report Doppler harmonic generation with a relativistic plasma mirror at unprecedented intensities $>10^{21} ~\textrm{W/cm}^2$ using a PetaWatt-class laser. We show that beyond a few $10^{21} ~\textrm{W/cm}^2$ a precise control of the laser contrast at the sub-picosecond time scale becomes essential to drive the efficient generation of high-order harmonics. Such control is paramount for deploying plasma mirrors in high-field applications at PetaWatt-class laser facilities, including, for instance, their use as intensity boosters in the pursuit of the strong-field regime of quantum electrodynamics. |
| title | Generation and control of Doppler harmonics approaching $10^{22}\textrm{W/cm}^2$ on plasma mirrors |
| topic | Plasma Physics |
| url | https://arxiv.org/abs/2602.10709 |