The Apollon 10 PW laser: experimental and theoretical investigation of the temporal characteristics

Papadopoulos, Dimitrios; Zou, J-P; Blanc, C. Le; Chériaux, G.; Georges, Patrick; Druon, Frédéric; Mennerat, Gabriel; Ramirez, Patricia; Martin, Luc; Fréneaux, Antoine; Beluze, A.; Lebas, N.; Monot, P.; Mathieu, François; Audebert, P.

doi:10.1017/hpl.2016.34

Cited by 201 publications

(122 citation statements)

References 19 publications

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“…While these points are undoubtedly of fundamental interest, it is important to note that radiation reaction and quantum effects will be unavoidable in experiments with high-intensity lasers and therefore these questions are of immense practical interest as well. This is motivated by the fast-paced development of large-scale, multipetawatt laser facilities [6]: today's facilities reach focussed intensities of order 10 22 Wcm −2 [7][8][9], and those upcoming, such as Apollon [10], ELI-Beamlines [11] and Nuclear Physics [12], aim to reach more than 10 23 Wcm −2 , with the added capability of providing multiple laser pulses to the same target chamber. At these intensities, radiation reaction will be comparable in magnitude to the Lorentz force, rather than being a small correction, as is familiar from storage rings or synchrotrons.…”

mentioning

confidence: 99%

Radiation reaction in electron–beam interactions with high-intensity lasers

Blackburn

2020

Rev. Mod. Plasma Phys.

123

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Charged particles accelerated by electromagnetic fields emit radiation, which must, by the conservation of momentum, exert a recoil on the emitting particle. The force of this recoil, known as radiation reaction, strongly affects the dynamics of ultrarelativistic electrons in intense electromagnetic fields. Such environments are found astrophysically, e.g. in neutron star magnetospheres, and will be created in laser-matter experiments in the next generation of high-intensity laser facilities. In many of these scenarios, the energy of an individual photon of the radiation can be comparable to the energy of the emitting particle, which necessitates modelling not only of radiation reaction, but quantum radiation reaction. The worldwide development of multi-petawatt laser systems in large-scale facilities, and the expectation that they will create focussed electromagnetic fields with unprecedented intensities > 10 23 Wcm −2 , has motivated renewed interest in these effects. In this paper I review theoretical and experimental progress towards understanding radiation reaction, and quantum effects on the same, in high-intensity laser fields that are probed with ultrarelativistic electron beams. In particular, we will discuss how analytical and numerical methods give insight into new kinds of radiation-reaction-induced dynamics, as well as how the same physics can be explored in experiments at currently existing laser facilities.

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confidence: 99%

Radiation reaction in electron–beam interactions with high-intensity lasers

Blackburn

2020

Rev. Mod. Plasma Phys.

123

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“…In the following, we discuss possible high-energy vacuum birefringence and/or dichroism experiments (see Fig. 3a) at the Apollon facility (F1/F2 laser) [74], ELI-NP (two 10 PW lasers) [75,76], and ELI-Beamlines (ELI-BL; L3/L4 laser) [77]. At each facility, a 10 PW laser is employed to polarize the vacuum and the second laser is utilized to produce electron bunches via laser wakefield acceleration [78,79].…”

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confidence: 99%

High-Energy Vacuum Birefringence and Dichroism in an Ultrastrong Laser Field

et al. 2017

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A long-standing prediction of quantum electrodynamics, yet to be experimentally observed, is the interaction between real photons in vacuum. As a consequence of this interaction, the vacuum is expected to become birefringent and dichroic if a strong laser field polarizes its virtual particle-antiparticle dipoles. Here, we derive how a generally polarized probe photon beam is influenced by both vacuum birefringence and dichroism in a strong linearly polarized plane-wave laser field. Furthermore, we consider an experimental scheme to measure these effects in the nonperturbative high-energy regime, where the Euler-Heisenberg approximation breaks down. By employing circularly polarized high-energy probe photons, as opposed to the conventionally considered linearly polarized ones, the feasibility of quantitatively confirming the prediction of nonlinear QED for vacuum birefringence at the 5σ confidence level on the time scale of a few days is demonstrated for upcoming 10 PW laser systems. Finally, dichroism and anomalous dispersion in vacuum are shown to be accessible at these facilities.

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“…The yield, energy conversion efficiency, and cutoff energy of the positrons obtained increase with the incident laser intensity, which can be further enhanced by using a long plasma channel. With the upcoming next-generation laser facilities (e.g., ELI [14], XCELS [15], Apollon [16], and SULF [17]), such collimated 9 / 11 dense GeV positron jets and bright γ-ray flashes both with desirable atto-beam capability may open new avenues for ultrafast studies in physics, chemistry, biology, etc.…”

Section: Resultsmentioning

confidence: 99%

Collimated GeV attosecond electron–positron bunches from a plasma channel driven by 10 PW lasers

Zhu

Chen

et al. 2019

Matter and Radiation at Extremes

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High-energy positrons and bright γ-ray sources are unique both for fundamental research and practical applications. However, GeV electron-positron pair jets and γ-ray flashes are still hardly produced in laboratories. Here we demonstrate that, by irradiating two 10 PW-scale laser pulses onto a near-critical density plasma channel, highly-directional GeV electron-positron pairs and bright γ-ray beams can be efficiently generated. Three-dimensional particle-in-cell simulations show that GeV positron jets show high density ( × / ), attosecond duration (400 as) and a divergence angle of 14°. Additionally, ultrabright ( × photons/s/mm 2 /mrad 2 /0.1%BW) collimated attosecond (370 as) γ-ray flashes with a laser energy conversion efficiency of 5.6% are emitted. Once realized in experiment, it may open up new possibilities for a wide variety of applications. 2 / 11

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The Apollon 10 PW laser: experimental and theoretical investigation of the temporal characteristics

Cited by 201 publications

References 19 publications

Radiation reaction in electron–beam interactions with high-intensity lasers

Radiation reaction in electron–beam interactions with high-intensity lasers

High-Energy Vacuum Birefringence and Dichroism in an Ultrastrong Laser Field

Collimated GeV attosecond electron–positron bunches from a plasma channel driven by 10 PW lasers

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