Narrow-directed fast-ion flow generation from targets irradiated by a picosecond laser pulse

Андреев, А. А.; Андрианов, В. П.; Borodin, V. G.; Komarov, Vladimir; Malinov, V. A.; Nikitin, N.; Serdyukov, Anton; Charukhchev, A. V.; Chernov, V. N.; Platonov, K. Yu.; Bessarab, A. V.; Garanin, S. G.; Gorbunov, A. V.; Suslov, N. A.

doi:10.1134/1.1765175

Cited by 7 publications

(7 citation statements)

References 14 publications

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“…First, in both our experiments and the experiments of [39][40][41][42], ring structures in the proton fluxes generated from the rear surface of the target were observed.…”

Section: Experimental Partmentioning

confidence: 64%

“…Ring structures in proton fluxes accelerated from the rear surface of a target were observed earlier in [39][40][41][42]. Ring structures in proton fluxes propagating along the normal to the target from both the front and rear surfaces of the target were observed in [39].…”

Section: Experimental Partmentioning

confidence: 84%

“…Based on the results of such experiments, Zepf et al [41] concluded that the protons forming the ring structures are generated at the front surface of the target, and that the reason for the appearance of these structures is a magnetic field generated inside the target by a beam of electrons propagating in the target. The results of measurements of the output of MeV protons and deuterons when thin targets are irradiated by picosecond laser pulses with a mean laser intensity of ≤ 4 × 1018 W/cm2 are presented in [42]. A ring structure formed by traveling ions and a very narrow (0.5•) angular divergence for the ion beam were observed in experiments with a Be target with thickness 12 μm.…”

Section: Experimental Partmentioning

confidence: 99%

“…A ring structure formed by traveling ions and a very narrow (0.5•) angular divergence for the ion beam were observed in experiments with a Be target with thickness 12 μm. Andreev et al [42] suggest that the appearance of the ring structure in the proton fluxes is due to inhomogeneity in the electron charge of the transverse component of the ambipolar field and the magnetic field at the rear surface of the target. Theoretical estimates of the energy and flight angles for ions are close to the experimental values, testifying that the ions were generated at the rear side of the foil.…”

Section: Experimental Partmentioning

confidence: 99%

“…We will now compare the results of our experiments on the spatial distribution of beams of accelerated protons with the results of [39][40][41][42].…”

Section: Experimental Partmentioning

confidence: 99%

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Numerical Simulations of Magnetized Astrophysical Jets and Comparison with Laboratory Laser Experiments

et al. 2018

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“…First, in both our experiments and the experiments of [39][40][41][42], ring structures in the proton fluxes generated from the rear surface of the target were observed.…”

Section: Experimental Partmentioning

confidence: 64%

Section: Experimental Partmentioning

confidence: 84%

Section: Experimental Partmentioning

confidence: 99%

Section: Experimental Partmentioning

confidence: 99%

“…We will now compare the results of our experiments on the spatial distribution of beams of accelerated protons with the results of [39][40][41][42].…”

Section: Experimental Partmentioning

confidence: 99%

See 3 more Smart Citations

Numerical Simulations of Magnetized Astrophysical Jets and Comparison with Laboratory Laser Experiments

et al. 2018

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Study of saturation of CR39 nuclear track detectors at high ion fluence and of associated artifact patterns

Gaillard

Fuchs

Galloudec

et al. 2007

Review of Scientific Instruments

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The occurrence of saturation in CR39 solid state nuclear track detectors has been systematically studied as a function of the incident ion (alpha particles and laser-accelerated protons) fluence and the etching time. When overexposed (i.e., for fluences above approximately 10(8) particles/cm(2)) and/or overetched, the CR39 detectors enter a saturated regime where direct track counting is not possible anymore. In this regime, optical measurements of saturated CR39 detectors become unreliable as well, since the optical response of the saturated detectors with respect to the ion fluence is highly nonlinear. This nonlinear optical response is likely due to scattering from the surface of irregular clumping patterns which have a diameter approximately 20 microm, i.e., ten times larger than the diameter of individual tracks. These patterns, which aggregate many individual tracks, are observed to develop in highly saturated regimes. For fluences typical of high energy short pulse laser experiments, saturation occurs, inducing the appearance of artifact ringlike structures. By careful microscopic analysis, these artifact ring patterns can be distinguished from the genuine rings occurring below saturation and characteristic of low energy laser accelerated proton beams.

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The researching of the structure of the laser plasma by methods of spectral diagnostics of ion luminescence

Руменских¹,

Efimov²,

Berezutsky³

et al. 2019

AIP Conference Proceedings

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Narrow-directed fast-ion flow generation from targets irradiated by a picosecond laser pulse

Cited by 7 publications

References 14 publications

Numerical Simulations of Magnetized Astrophysical Jets and Comparison with Laboratory Laser Experiments

Numerical Simulations of Magnetized Astrophysical Jets and Comparison with Laboratory Laser Experiments

Study of saturation of CR39 nuclear track detectors at high ion fluence and of associated artifact patterns

The researching of the structure of the laser plasma by methods of spectral diagnostics of ion luminescence

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