Search Results - "WAHLSTROM, C. G"
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1
Enhanced laser-driven proton acceleration using nanowire targets
Published in Scientific reports (26-01-2021)“…Laser-driven proton acceleration is a growing field of interest in the high-power laser community. One of the big challenges related to the most routinely used…”
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2
Tunable mega-ampere electron current propagation in solids by dynamic control of lattice melt
Published in Physical review letters (31-10-2014)“…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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3
Manipulation of laser-accelerated proton beam profiles by nanostructured and microstructured targets
Published in Physical review. Accelerators and beams (04-08-2017)“…Nanostructured and microstructured thin foils have been fabricated and used experimentally as targets to manipulate the spatial profile of proton bunches…”
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4
Enhanced proton flux in the MeV range by defocused laser irradiation
Published in New journal of physics (26-08-2010)“…Thin Al foils (50 nm and 6 mu m) were irradiated at intensities of up to 2x10(19) W cm(-2) using high contrast (10(8)) laser pulses. Ion emission from the rear…”
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5
Picosecond metrology of laser-driven proton bursts
Published in Nature communications (10-02-2016)“…Tracking primary radiation-induced processes in matter requires ultrafast sources and high precision timing. While compact laser-driven ion accelerators are…”
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6
Scaling of proton acceleration driven by petawatt-laser-plasma interactions
Published in Nature physics (01-01-2007)“…The possibility of using high-power lasers to generate high-quality beams of energetic ions is attracting large global interest. The prospect of using…”
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7
XUV digital in-line holography using high-order harmonics
Published in Applied physics. B, Lasers and optics (01-03-2008)“…A step towards a successful implementation of time-resolved digital in-line holography with extreme ultraviolet (XUV) radiation is presented. Ultra-short XUV…”
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8
Effects of laser prepulse on proton generation
Published in 4th International Workshop on Pulsed Plasma Laser Ablation (PPLA),Messina, Italy,2009-06-18 - 2009-06-20 (01-06-2010)“…Prepulse is a major issue for laser generation of protons, often limiting the performances of laser sources. Here, we show the use of prepulse (<10 13 W/cm 2…”
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Journal Article Conference Proceeding -
9
Experimental investigation of picosecond dynamics following interactions between laser accelerated protons and water
Published in Applied physics letters (06-03-2017)“…We report direct experimental measurements with picosecond time resolution of how high energy protons interact with water at extreme dose levels (kGy),…”
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10
Enhanced proton beams from ultrathin targets driven by high contrast laser pulses
Published in Applied physics letters (10-07-2006)“…The generation of proton beams from ultrathin targets, down to 20 nm in thickness, driven with ultrahigh contrast laser pulses is explored. The conversion…”
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11
Down-ramp injection and independently controlled acceleration of electrons in a tailored laser wakefield accelerator
Published in Physical review special topics. PRST-AB. Accelerators and beams (01-07-2015)“…We report on a study on controlled injection of electrons into the accelerating phase of a plasma wakefield accelerator by tailoring the target density…”
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12
Synthesis and surface characteristics of CeTbO3+δ induced by femtosecond laser irradiation
Published in Applied surface science (01-02-2007)“…This work describes the use of focused, high-intensity light from a Ti:sapphire laser that generates femtosecond pulses to irradiate mixture of CeO2 and Tb4O7…”
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13
Laser-wakefield acceleration of monoenergetic electron beams in the first plasma-wave period
Published in Physical review letters (02-06-2006)“…Beam profile measurements of laser-wakefield accelerated electron bunches reveal that in the monoenergetic regime the electrons are injected and accelerated at…”
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14
Effect of lattice structure on energetic electron transport in solids irradiated by ultraintense laser pulses
Published in Physical review letters (06-05-2011)“…The effect of lattice structure on the transport of energetic (MeV) electrons in solids irradiated by ultraintense laser pulses is investigated using various…”
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15
Annular fast electron transport in silicon arising from low-temperature resistivity
Published in Physical review letters (28-08-2013)“…Fast electron transport in Si, driven by ultraintense laser pulses, is investigated experimentally and via 3D hybrid particle-in-cell simulations. A transition…”
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16
Laser-accelerated protons with energy-dependent beam direction
Published in Physical review letters (21-10-2005)“…The spatial distribution of protons, accelerated by intense femtosecond laser pulses interacting with thin target foils under oblique irradiation are…”
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17
Effects of the dopant concentration in laser wakefield and direct laser acceleration of electrons
Published in New journal of physics (01-05-2018)“…In this work, we experimentally study the effects of the nitrogen concentration in laser wakefield acceleration of electrons in a gas mixture of hydrogen and…”
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18
Laser pulse propagation and enhanced energy coupling to fast electrons in dense plasma gradients
Published in New journal of physics (28-11-2014)“…Laser energy absorption to fast electrons during the interaction of an ultra-intense (1020 W cm−2), picosecond laser pulse with a solid is investigated,…”
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19
Controlling the spectrum of x-rays generated in a laser-plasma accelerator by tailoring the laser wavefront
Published in Applied physics letters (02-11-2009)“…By tailoring the wavefront of the laser pulse used in a laser-wakefield accelerator, we show that the properties of the x-rays produced due to the electron…”
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20
Characterization of Quasi-Monoenergetic Electron Beams at the Lund Laser Centre
Published in IEEE transactions on plasma science (01-08-2008)“…Experiments performed with the high-contrast 0.7-J 35-fs Ti:sapphire laser at the Lund Laser Centre focused into a helium gas jet have produced…”
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Journal Article Conference Proceeding