Laser-driven accelerator of intense plasma beams for materials research

Badziak, J.; Parys, P.; Rosiński, M.; Zaraś-Szydłowska, A.

doi:10.1016/j.fusengdes.2017.01.061

Cited by 2 publications

(3 citation statements)

References 11 publications

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“…angles in TNSA experiments are large (generally tens of degrees [4,14,15]) and cannot satisfy the requirements of special proton beam applications. For example, the particle divergence angle should be reduced to increase the particle beam flux deposited on a target pellet and thus improve the ignition efficiency during fast ignition [16,17]. For cancer therapy [18,19], highly collimated proton beams are required to improve the killing rate of cancer cells while protecting the surrounding healthy cells [1].…”

Section: Introductionmentioning

confidence: 99%

“…An optimum pulse duration of 150 fs is found in our case, which explains the different proton collimation accelerations between femtosecond and picosecond LG lasers in previous experiments and simulations. Our researches give insights into understanding the beam formation mechanism driven by LG lasers, which is beneficial for a wide range of applications, such as proton induced x-ray emission [39], proton probe [40][41][42], fast ignition [17,43], tumor therapy [19,44], neutron source [45][46][47][48], astrophysical jet research [49][50][51], and proton imaging [52][53][54].…”

Section: Introductionmentioning

confidence: 99%

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Optimal collimation of proton beams accelerated by a Laguerre–Gaussian laser with a proper pulse duration

Wang,

Shi

et al. 2024

Plasma Phys. Control. Fusion

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In this study, three-dimensional particle-in-cell (PIC) simulations were conducted to evaluate a collimated proton beam accelerated by an intense Laguerre-Gaussian (LG) laser with different pulse widths. The flux and energy of the collimated proton beam could be simultaneously enhanced by selecting an optimal pulse width. This phenomenon can be primarily attributed to the correlation between the LG laser driven self-generated magnetic field and pulse width, and this correlation enables the collimation of protons during their interaction and transport. The results obtained in this study elucidate the formation mechanism of different collimated proton patterns, driven by femtosecond and picosecond LG lasers, observed in previous experiments. In addition, based on these results, an optimum pulse width for high-quality proton beams is proposed for various future applications.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Optimal collimation of proton beams accelerated by a Laguerre–Gaussian laser with a proper pulse duration

Wang,

Shi

et al. 2024

Plasma Phys. Control. Fusion

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“…However, all these applications require the collimation or low beam divergence of the particle beam. In the FI in inertial confinement fusion, this can significantly enhance the coupling efficiency of the beam to the compressed fusion fuel and avoid a rapid decrease in the beam intensity away from the target [5][6][7].…”

Section: Introductionmentioning

confidence: 99%

Topological structure effects of Laguerre-Gaussian laser on self-collimation acceleration mechanism

Dong

Wang

et al. 2022

Front. Phys.

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Energetic plasma beams can be generated through the interaction between a short-pulse high-intensity laser and solid target. However, obtaining collimated plasma beams with low divergence remains challenging. In this study, we devised a self-collimation scheme driven by a topologically structured Laguerre–Gaussian (LG) laser that irradiates a thin target in three-dimensional particle-in-cell simulations. It was observed that a high-density and narrow plasma beam could be formed by the intrinsic hollow intensity distribution of the LG laser. A magnetic tunnel was generated around the beam and collimated the plasma beam within a radius of hundreds of nanometers. This collimation can be enhanced by increasing the topological charge from l = 1 to l = 3 and then destroyed for a larger l. The collimation method is promising in applications requiring well-collimated energetic plasma beams, such as indirect drive inertial con-finement fusion, laboratory astrophysics, and radiation therapy.

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Laser-driven accelerator of intense plasma beams for materials research

Cited by 2 publications

References 11 publications

Optimal collimation of proton beams accelerated by a Laguerre–Gaussian laser with a proper pulse duration

Optimal collimation of proton beams accelerated by a Laguerre–Gaussian laser with a proper pulse duration

Topological structure effects of Laguerre-Gaussian laser on self-collimation acceleration mechanism

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