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John K. Crane

Researcher at Lawrence Livermore National Laboratory

Publications -  78
Citations -  1428

John K. Crane is an academic researcher from Lawrence Livermore National Laboratory. The author has contributed to research in topics: Laser & National Ignition Facility. The author has an hindex of 18, co-authored 77 publications receiving 1334 citations.

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Characterization of fusion burn time in exploding deuterium cluster plasmas

TL;DR: High-resolution neutron time-of-flight spectroscopy on deuterium clusters shows that they yield fast bursts of nearly monochromatic fusion neutrons with temporal duration as short as a few hundred picoseconds, opening up the unique possibility of using these bright neutron pulses, either as a pump or a probe, to conduct ultrafast studies with neutrons.
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High-order harmonic emission from mixed fields

TL;DR: By controlling the relative polarization of the two fields, this work can control the mixing efficiency and produce coherent extreme ultraviolet (XUV) radiation polarized orthogonally to the strong driving field.
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Space-charge effects in high brightness electron beam emittance measurements

TL;DR: In this article, the role of space charge forces in a traditional measurement of transverse emittance, the quadrupole scan, is discussed and the mitigation of these effects by use of multislit-or pepperpot-based techniques is explained.
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Detailed study of nuclear fusion from femtosecond laser-driven explosions of deuterium clusters

TL;DR: In this article, a 35 fs laser pulse was used to irradiate deuterium clusters with van der Waals bonded clusters, and it was found that the fusion neutron yield is strongly dependent on such factors as cluster size, laser focal geometry, and gas jet parameters.