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Relativistic plasma aperture for laser intensity enhancement
- 1.0551073 - FZÚ 2022 RIV US eng J - Journal Article
Jirka, Martin - Klimo, Ondřej - Matys, Martin
Relativistic plasma aperture for laser intensity enhancement.
Physical Review Research. Roč. 3, č. 3 (2021), č. článku 033175. E-ISSN 2643-1564
R&D Projects: GA MŠMT EF15_003/0000449; GA ČR GA18-09560S
Grant - others:OP VVV - HiFi(XE) CZ.02.1.01/0.0/0.0/15_003/0000449; Ministerstvo školství, mládeže a tělovýchovy - GA MŠk(CZ) LM2018140
Research Infrastructure: ELI Beamlines III - 90141
Institutional support: RVO:68378271
Keywords : pulses
OECD category: Fluids and plasma physics (including surface physics)
Method of publishing: Open access
A substantial increase in local laser intensity is observed in the near field behind a plasma shutter. This increase is caused by the interference of the diffracted light at the relativistic plasma aperture and it is studied both analytically and using numerical simulations. This effect is only accessible in the regime of relativistically induced transparency and thus it requires a careful choice of laser and target parameters. The theoretical estimates for the maximum field strength and its spatial location as a function of target and laser parameters are provided and compared with simulation results. Our full 3D particle-in-cell simulations indicate that the laser intensity may be increased roughly by an order of magnitude, improving the feasibility of strong field QED research with the present generation of lasers.
Permanent Link: http://hdl.handle.net/11104/0326419
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Number of the records: 1