@article{Badziak_Jabłoński_Parys_Rosiński_Wołowski_Szydłowski_Antici_Fuchs_Mancic_2009, title={Generation of Ultraintense Proton Beams Driven by a Short-Pulse Multi-TW Laser}, volume={1}, url={https://www.photonics.pl/PLP/index.php/letters/article/view/1-8}, DOI={10.4302/photon. lett. pl.v1i1.15}, abstractNote={The results of experimental studies of high-intensity proton beam generation at the interaction of a 350 fs laser pulse of 1.06um or 0.53um wavelength and intensity up to 2×10<sup>19</sup>Wcm<sup>-2</sup> with a thin (0.6-3um) solid target are reported. It is shown that collimated MeV proton beams of intensity ~ 10<sup>18</sup>Wcm<sup>-2</sup> and current density ~ 10<sup>12</sup>Acm<sup>-2</sup> at the source can be produced when the laser-target interaction conditions approach the skin-layer ponderomotive acceleration requirements and the laser intensity-wavelength product is above 10<sup>9</sup>Wcm<sup>-2</sup>um<sup>2</sup>. The effect of laser intensity, the target structure and the laser wavelength on the proton beam intensity and the laser-protons energy conversion efficiency are demonstrated. <br /><br /> Full Text: <a class="file" href="/PLP/index.php/letters/article/view/1-8/8" target="_parent">PDF</a> <br /> <strong><br />References:</strong> <ol> <li> G.Mourou and D.Umstadter, Sci.Am. 286, 80 (2002). </li> <li> L.Robson, et al., "Scaling of proton acceleration driven by petawatt-laser–plasma interactions", Nature Phys. 3, 58 (2007). <a href="http://dx.doi.org/10.1038/nphys476">[CrossRef]</a> </li><li> M. Borghesi, et al., Fusion Sci. Technol. 49, 412 (2006) and references therein. </li><li> J. Badziak,"Laser-driven generation of fast particles", Opto-Electron. Rev. 15, 1 (2007) and references therein. <a href="http://dx.doi.org/10.2478/s11772-006-0048-3">[CrossRef]</a> </li><li> K.W.D. Ledingham, P. McKenna and R. 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