Search Results - "Robinson, A P L"

Generation of scaled protogalactic seed magnetic fields in laser-produced shock waves by Gregori, G., Ravasio, A., Murphy, C. D., Schaar, K., Baird, A., Bell, A. R., Benuzzi-Mounaix, A., Bingham, R., Constantin, C., Drake, R. P., Edwards, M., Everson, E. T., Gregory, C. D., Kuramitsu, Y., Lau, W., Mithen, J., Niemann, C., Park, H.-S., Remington, B. A., Reville, B., Robinson, A. P. L., Ryutov, D. D., Sakawa, Y., Yang, S., Woolsey, N. C., Koenig, M., Miniati, F.

“…Experimental simulations of galaxy-forming conditions using lasers show that the Biermann battery generates seed magnetic fields, which turbulence can amplify…”
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Generation of Superponderomotive Electrons in Multipicosecond Interactions of Kilojoule Laser Beams with Solid-Density Plasmas by Sorokovikova, A, Arefiev, A V, McGuffey, C, Qiao, B, Robinson, A P L, Wei, M S, McLean, H S, Beg, F N

“…The interaction of a multipicosecond, kilojoule laser pulse with a surface of a solid target has been shown to produce electrons with energies far beyond the…”
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Focusing of relativistic electrons in dense plasma using a resistivity-gradient-generated magnetic switchyard by Robinson, A P L, Key, M H, Tabak, M

“…A method for producing a self-generated magnetic focussing structure for a beam of laser-generated relativistic electrons using a complex array of resistivity…”
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Controlling fast-electron-beam divergence using two laser pulses by Scott, R H H, Beaucourt, C, Schlenvoigt, H-P, Markey, K, Lancaster, K L, Ridgers, C P, Brenner, C M, Pasley, J, Gray, R J, Musgrave, I O, Robinson, A P L, Li, K, Notley, M M, Davies, J R, Baton, S D, Santos, J J, Feugeas, J-L, Nicolaï, Ph, Malka, G, Tikhonchuk, V T, McKenna, P, Neely, D, Rose, S J, Norreys, P A

“…This Letter describes the first experimental demonstration of the guiding of a relativistic electron beam in a solid target using two colinear,…”
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Generating "superponderomotive" electrons due to a non-wake-field interaction between a laser pulse and a longitudinal electric field by Robinson, A P L, Arefiev, A V, Neely, D

“…It is shown that electrons with momenta exceeding the "free electron" limit of m(e)ca(0)(2)/2 can be produced when a laser pulse and a longitudinal electric…”
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Lateral electron transport in high-intensity laser-irradiated foils diagnosed by ion emission by McKenna, P, Carroll, D C, Clarke, R J, Evans, R G, Ledingham, K W D, Lindau, F, Lundh, O, McCanny, T, Neely, D, Robinson, A P L, Robson, L, Simpson, P T, Wahlström, C-G, Zepf, M

“…An experimental investigation of lateral electron transport in thin metallic foil targets irradiated by ultraintense (>or=10(19) W/cm2) laser pulses is…”
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Tunable mega-ampere electron current propagation in solids by dynamic control of lattice melt by MacLellan, D A, Carroll, D C, Gray, R J, Booth, N, Burza, M, Desjarlais, M P, Du, F, Neely, D, Powell, H W, Robinson, A P L, Scott, G G, Yuan, X H, Wahlström, C-G, McKenna, P

“…The influence of lattice-melt-induced resistivity gradients on the transport of mega-ampere currents of fast electrons in solids is investigated numerically…”
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Sign reversal in magnetic field amplification by relativistic laser-driven microtube implosions by Weichman, K., Murakami, M., Robinson, A. P. L., Arefiev, A. V.

“…We demonstrate and explain the surprising phenomenon of sign reversal in magnetic field amplification by the laser-driven implosion of a structured target…”
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Strong surface magnetic field generation in relativistic short pulse laser-plasma interaction with an applied seed magnetic field by Weichman, K, Robinson, A P L, Murakami, M, Arefiev, A V

“…While plasma often behaves diamagnetically, we demonstrate that the laser irradiation of a thin opaque target with an embedded target-transverse seed magnetic…”
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Efficient ion acceleration and dense electron-positron plasma creation in ultra-high intensity laser-solid interactions by Del Sorbo, D, Blackman, D R, Capdessus, R, Small, K, Slade-Lowther, C, Luo, W, Duff, M J, Robinson, A P L, McKenna, P, Sheng, Z-M, Pasley, J, Ridgers, C P

“…The radiation pressure of next generation ultra-high intensity (>1023 W cm−2) lasers could efficiently accelerate ions to GeV energies. However, nonlinear…”
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Beamed neutron emission driven by laser accelerated light ions by Kar, S, Green, A, Ahmed, H, Alejo, A, Robinson, A P L, Cerchez, M, Clarke, R, Doria, D, Dorkings, S, Fernandez, J, Mirfayzi, S R, McKenna, P, Naughton, K, Neely, D, Norreys, P, Peth, C, Powell, H, Ruiz, J A, Swain, J, Willi, O, Borghesi, M

“…Highly anisotropic, beam-like neutron emission with peak flux of the order of 109 n/sr was obtained from light nuclei reactions in a pitcher-catcher scenario,…”
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Tailored mesoscopic plasma accelerates electrons exploiting parametric instability by Kumar, Rakesh Y, Sabui, Ratul, Gopal, R, Li, Feiyu, Sarkar, Soubhik, Trickey, William, Anand, M, Pasley, John, Sheng, Z-M, Trines, R M G M, Scott, R H H, Robinson, A P L, Sharma, V, Krishnamurthy, M

“…Abstract Laser plasma electron acceleration from the interaction of an intense femtosecond laser pulse with an isolated microparticle surrounded by a…”
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Terahertz acoustics in hot dense laser plasmas by Adak, Amitava, Robinson, A P L, Singh, Prashant Kumar, Chatterjee, Gourab, Lad, Amit D, Pasley, John, Kumar, G Ravindra

“…We present a hitherto unobserved facet of hydrodynamics, namely the generation of an ultrahigh frequency acoustic disturbance in the terahertz frequency range,…”
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High efficiency proton beam generation through target thickness control in femtosecond laser-plasma interactions by Green, J. S., Robinson, A. P. L., Booth, N., Carroll, D. C., Dance, R. J., Gray, R. J., MacLellan, D. A., McKenna, P., Murphy, C. D., Rusby, D., Wilson, L.

“…Bright proton beams with maximum energies of up to 30 MeV have been observed in an experiment investigating ion sheath acceleration driven by a short pulse…”
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Rayleigh-Taylor instability of an ultrathin foil accelerated by the radiation pressure of an intense laser by Palmer, C A J, Schreiber, J, Nagel, S R, Dover, N P, Bellei, C, Beg, F N, Bott, S, Clarke, R J, Dangor, A E, Hassan, S M, Hilz, P, Jung, D, Kneip, S, Mangles, S P D, Lancaster, K L, Rehman, A, Robinson, A P L, Spindloe, C, Szerypo, J, Tatarakis, M, Yeung, M, Zepf, M, Najmudin, Z

“…We report experimental evidence for a Rayleigh-Taylor-like instability driven by radiation pressure of an ultraintense (10(21) W/cm(2)) laser pulse. The…”
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Efficient Laser-Driven Proton Acceleration from a Cryogenic Solid Hydrogen Target by Polz, J., Robinson, A. P. L., Kalinin, A., Becker, G. A., Fraga, R. A. Costa, Hellwing, M., Hornung, M., Keppler, S., Kessler, A., Klöpfel, D., Liebetrau, H., Schorcht, F., Hein, J., Zepf, M., Grisenti, R. E., Kaluza, M. C.

“…We report on the successful implementation and characterization of a cryogenic solid hydrogen target in experiments on high-power laser-driven proton…”
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Dynamics of the Electromagnetic Fields Induced by Fast Electron Propagation in Near-Solid-Density Media by Romagnani, L, Robinson, A P L, Clarke, R J, Doria, D, Lancia, L, Nazarov, W, Notley, M M, Pipahl, A, Quinn, K, Ramakrishna, B, Wilson, P A, Fuchs, J, Willi, O, Borghesi, M

“…The propagation of fast electron currents in near solid-density media was investigated via proton probing. Fast currents were generated inside dielectric foams…”
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Guiding of relativistic electron beams in solid targets by resistively controlled magnetic fields by Kar, S, Robinson, A P L, Carroll, D C, Lundh, O, Markey, K, McKenna, P, Norreys, P, Zepf, M

“…Guided transport of a relativistic electron beam in solid is achieved experimentally by exploiting the strong magnetic fields created at the interface of two…”
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Dynamics of self-generated, large amplitude magnetic fields following high-intensity laser matter interaction by Sarri, G, Macchi, A, Cecchetti, C A, Kar, S, Liseykina, T V, Yang, X H, Dieckmann, M E, Fuchs, J, Galimberti, M, Gizzi, L A, Jung, R, Kourakis, I, Osterholz, J, Pegoraro, F, Robinson, A P L, Romagnani, L, Willi, O, Borghesi, M

“…The dynamics of magnetic fields with an amplitude of several tens of megagauss, generated at both sides of a solid target irradiated with a high-intensity…”
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High energy conversion efficiency in laser-proton acceleration by controlling laser-energy deposition onto thin foil targets by Brenner, C. M., Robinson, A. P. L., Markey, K., Scott, R. H. H., Gray, R. J., Rosinski, M., Deppert, O., Badziak, J., Batani, D., Davies, J. R., Hassan, S. M., Lancaster, K. L., Li, K., Musgrave, I. O., Norreys, P. A., Pasley, J., Roth, M., Schlenvoigt, H.-P., Spindloe, C., Tatarakis, M., Winstone, T., Wolowski, J., Wyatt, D., McKenna, P., Neely, D.

“…An all-optical approach to laser-proton acceleration enhancement is investigated using the simplest of target designs to demonstrate application-relevant…”
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