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High quality GeV proton beams from a density-modulated foil target
| Content Provider | Scilit |
|---|---|
| Author | Yu, T. P. Chen, M. Pukhov, A. |
| Copyright Year | 2009 |
| Description | We study proton acceleration from a foil target with a transversely varying density using multi-dimensional Particle-in-Cell (PIC) simulations. In order to reduce electron heating and deformation of the target, circularly polarized Gaussian laser pulses at intensities on the order of $10^{22}$ $Wcm^{−2}$ are used. It is shown that when the target density distribution fits that of the laser intensity profile, protons accelerated from the center part of the target have quasi-monoenergetic spectra and are well collimated. In our two-dimensional PIC simulations, the final peak energy can be up to 1.4 GeV with the full-width of half maximum divergence cone of less than 4°. We observe highly efficient energy conversion from the laser to the protons in the simulations. |
| Related Links | http://arxiv.org/pdf/0906.2455 https://www.cambridge.org/core/services/aop-cambridge-core/content/view/49F1431163F5C61F4CDBCEFB8EA8E3C3/S0263034609990334a.pdf/div-class-title-high-quality-gev-proton-beams-from-a-density-modulated-foil-target-div.pdf |
| Ending Page | 617 |
| Page Count | 7 |
| Starting Page | 611 |
| DOI | 10.1017/s0263034609990334 |
| Journal | Laser and Particle Beams |
| Issue Number | 4 |
| Volume Number | 27 |
| Language | English |
| Publisher | Cambridge University Press (CUP) |
| Publisher Date | 2009-12-01 |
| Access Restriction | Open |
| Subject Keyword | Laser and Particle Beams Circularly Polarized Laser Pic Simulation monoenergetic Proton Beam |
| Content Type | Text |
| Resource Type | Article |
