Nuclear Engineering and Technology

Korean Nuclear Society (한국원자력학회)
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RESEARCH ON LASER-ACCELERATED PROTON GENERATION AT KAERI

  • Published : 2005.06.01
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Abstract

A prototype of a relativistic proton generation system, based on laser-induced plasma interaction, has been designed and fabricated. The system is composed of three major parts: a fs TW laser; a target chamber, including targets and controls; and a diagnostic system for charged particles and lasers. An Offner-type pulse stretcher for chirped pulse amplification (CPA) and eight pass pre-amplifier are installed. The main amplifier will be integrated with a new pumping laser. The design values of the laser at the first stage are 1 TW in power and 50 fs in pulse duration. We expect to generate protons with their maximum energy of approximately 3 MeV and the flux of at least $10^6$ per pulse using a 10 $\mu$m Al target. A prototype target chamber with eight 8-inch flanges, including target mounts, has been designed and fabricated. For laser diagnostics, an adaptive optics based on the Shack-Hartmann type, beam monitoring, and alignment system are all under development. For a charged particle, CR-39 detectors, a Thomson parabola spectrometer, and Si charged-particle detectors will be used for the density profile and energy spectrum. In this paper, we present the preliminary design for laser-induced proton generation. We also present plans for future work, as well as theoretical simulations.

Keywords

References

  1. D. Strickland, G. Mourou, 'Compression of Amplified Chirped Optical Pulses,' Opt. Comm. 56, 219 (1985) https://doi.org/10.1016/0030-4018(85)90120-8
  2. Reference in http://wwwapr.apr.jaeri.go.jp/jaeri/e/ICUIL/DBW-Laser01u.pdf; S.-W. Bahk, P. Rousseau, T. A. Planchon, V. Chvykov, G. Kalintchenko, A. Maksimchuk, G. A. Mourou, V. Yanovsky, 'Generation and characterization of the highest laser intensities (1022 W/cm2)', Optics Letters 29, Issue 24, 2837-2839 (2004) https://doi.org/10.1364/OL.29.002837
  3. S.J. Gitomer, R.D. Jones, F. Bergay, A.W. Ehler, J.F. Kephart, R. Kristal, 'Fast ions and hot electrons in the laser？plasma interaction,' Phys. Fluids 29, 2679 (1986) https://doi.org/10.1063/1.865510
  4. F.N. Beg, A.R. Bell, A.E. Dangor, C.N. Danson, A.P.Fews, M.E. Glinsky, B.A. Hammel, P. Lee, P.A. Norreys, M. Tatarakis, 'A study of picosecond laser？solid interactions up to $10^19$ W/$cm^2$,' Phys. Plasmas 4, 447 (1997) https://doi.org/10.1063/1.872103
  5. E.L. Clark, K. Krushelnick, J.R. Davies, M. Zepf, M. Tatarakis, F.N. Beg, A. Machacek, P.A. Norreys, M.I.K. Santala, I. Watts, A.E. Dangor, 'Measurements of energetic proton transport through magnetized plasma from intense laser interactions with solids,' Phys. Rev. Lett. 84, 670 (2000) https://doi.org/10.1103/PhysRevLett.84.670
  6. A. Maksimchuk, S. Gu, K. Flippo, D. Umstadter and V. Yu. Bychenkov, 'Forward Ion Acceleration in Thin Films Driven by a High-Intensity Laser,' Phys. Rev. Lett. 84, 4108 (2000) https://doi.org/10.1103/PhysRevLett.84.4108
  7. R.A. Snavely, M.H. Key, S.P. Hatchett, T.E. Cowan, M. Roth, T.W. Phillips, M.A. Stoyer, E.A. Henry, T.C. Sangster, M.S. Singh, S.C. Wilks, A. MacKinnon, A. Offenberger, D.M. Pennington, K. Yasuike, A.B. Langdon, B.F. Lasinski, J.Johnson, M.D. Perry, E.M. Campbell, 'Intense high-energy proton beams from petawatt-laser irradiation of solids,' Phys. Rev. Lett. 85, 2945 (2000) https://doi.org/10.1103/PhysRevLett.85.2945
  8. M. Zepf, E. L. Clark, K. Krushelnick, F. N. Beg, A. E. Dangor, M. I. K. Santala, M. Tatarakis, I. F. Watts, P. A. Norreys, R. Clarke, J. R. Davies, M. Sinclair, R. Edwards, T. Goldsack, I. Spencer, and K. W. D. Ledingham, 'Fast particle generation and energy transport in laser-solid interactions,' Physics of Plasmas 8, 2323 (2001) https://doi.org/10.1063/1.1351824
  9. S. C. Wilks, A. B. Langdon, T. E. Cowan, M. Roth, M. Singh, S. Hatchett, M. H. Key, D. Pennington, A. MacKinnon, and R. A. Snavely 'Energetic proton generation in ultra-intense laser？solid interactions', Phys. Plasmas 8, 542 (2001); References therein https://doi.org/10.1063/1.1333697
  10. A. J. Mackinnon, Y. Sentoku, P. K. Patel, D. W. Price, S. Hatchett, M. H. Key, C. Andersen, R. Snavely, R. R. Freeman, 'Enhancement of Proton Acceleration by Hot-Electron Recirculation in Thin Foils Irradiated by Ultraintense Laser Pulses,' Phys. Rev. Lett. 88, 215006 (2000) https://doi.org/10.1103/PhysRevLett.88.215006
  11. M. Allen, Y. Sentoku, P. Audebert, A. Blazevic, T. Cowan, J. Fuchs, J.C. Gauthier, M. Geissel, M. Hegelich, S. Karsch, E. Morse, P.K. Patel, M. Roth, 'Proton spectra from ultraintense laser-plasma interaction with thin foils: Experiments, theory, and simulation,' Physics of Plasma 10, 3283 (2003) https://doi.org/10.1063/1.1592154
  12. E.L.Clark, K.Krushelnick, M.Zepf, F.N.Beg, A.Machacek, M.I.K.Santala, M.Tatarakis, I.Watts, P.A.Norreys, and A.E.Dangor, 'Energetic heavy-ion and proton generation from ultraintense laser-plasma interactions with solids,' Phys. Rev. Lett. 85, 1654 (2000) https://doi.org/10.1103/PhysRevLett.85.1654
  13. R. A. Snavely, M. H. Key, S. P. Hatchett, T. E. Cowan, M. Roth, T. W. Phillips, M. A. Stoyer, E. A. Henry, T. C. Sangster, M. S. Singh, S. C. Wilks, A. MacKinnon, A. Offenberger, D. M. Pennington, K. Yasuike, A. B. Langdon, B. F. Lasinski,J. Johnson, M. D. Perry, and E. M. Campbell, 'Intense High- Energy Proton Beams from Petawatt-Laser Irradiation of Solids,' Phys. Rev. Lett. 85, 2945-2948 (2000) https://doi.org/10.1103/PhysRevLett.85.2945
  14. M. Borghesi, A.J. Mackinnon, D.H. Campbell, D.G. Hicks, S. Kar, P.K. Patel, D. Price, L. Romagnani, A. Schiavi, and O. Willi, 'Multi-MeV Proton Source Investigations in Ultraintense Laser-Foil Interactions', Phys. Rev. Lett. 92, 055003 (2004) https://doi.org/10.1103/PhysRevLett.92.055003
  15. T.E. Cowan, J. Fuchs, H. Ruhl, A. Kemp, P. Audebert, M. Roth, R. Stephens, I. Barton, A. Blazevic, E. Brambrink, J. Cobble, J. Fernadez, J.-C. Gauthier, M. Geissel, M. Hegelich, J. Kaae, S. Karsch, G.P. Le Sage, S. Letzring, M. Manclossi, S. Meyroneinc, A. Newkirk, H. Pepin, N. Renard-LeGalloudec, 'Ultralow, Multi-MeV Proton Beams from a Laser Virtual-Cathode Plasma Accelerato', Phys. Rev. Lett. 92, 204801 (2004) https://doi.org/10.1103/PhysRevLett.92.204801
  16. M. Zepf, E. L. Clark, F. N. Beg, R.J. Clarke, A. E. Dangor, A. Gopal, K. Krushelnick, M. P. A. Norreys, M. Tatarakis, U. Wagner, M.S. Wei, 'Proton Acceleration from High-Intensity Laser Interactions with Thin Foil Targets,' Phys. Rev. Lett. 90, 064801 (2003) https://doi.org/10.1103/PhysRevLett.90.064801
  17. Yong Ho Cha, Kitae Lee, Jae Min Han, Yong Joo Rhee, 'Sequence effect of optical elements in a femtosecond Ti:sapphire laser oscillator,' JOSA B, Vol. 20, Issue 6, 1369-1373 (2003) https://doi.org/10.1364/JOSAB.20.001369
  18. S. H. Baik, S. K. Park, C. J. Kim, Y. S. Seo, Y. J. Kang, 'New centroid detection algorithm for Shack-Hartmann wavefront sensor,' Proceedings of SPIE Vol.4926, 251-260 (2003) https://doi.org/10.1117/12.481700