Search Results - "MACPHEE, A. G"
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Fusion Energy Output Greater than the Kinetic Energy of an Imploding Shell at the National Ignition Facility
Published in Physical review letters (14-06-2018)“…A series of cryogenic, layered deuterium-tritium (DT) implosions have produced, for the first time, fusion energy output twice the peak kinetic energy of the…”
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Impact of Localized Radiative Loss on Inertial Confinement Fusion Implosions
Published in Physical review letters (10-04-2020)“…The impact to fusion energy production due to the radiative loss from a localized mix in inertial confinement implosions using high density carbon capsule…”
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3
Absolute Equation-of-State Measurement for Polystyrene from 25 to 60 Mbar Using a Spherically Converging Shock Wave
Published in Physical review letters (13-07-2018)“…We have developed an experimental platform for the National Ignition Facility that uses spherically converging shock waves for absolute equation-of-state (EOS)…”
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Hot Spot Evolution Measured by High-Resolution X-Ray Spectroscopy at the National Ignition Facility
Published in Physical review letters (06-05-2022)“…Evolution of the hot spot plasma conditions was measured using high-resolution x-ray spectroscopy at the National Ignition Facility. The capsules were filled…”
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5
Dynamics and Power Balance of Near Unity Target Gain Inertial Confinement Fusion Implosions
Published in Physical review letters (11-08-2023)Get full text
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First Measurements of Fuel-Ablator Interface Instability Growth in Inertial Confinement Fusion Implosions on the National Ignition Facility
Published in Physical review letters (12-08-2016)“…Direct measurements of hydrodynamic instability growth at the fuel-ablator interface in inertial confinement fusion (ICF) implosions are reported for the first…”
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Improved Performance of High Areal Density Indirect Drive Implosions at the National Ignition Facility using a Four-Shock Adiabat Shaped Drive
Published in Physical review letters (01-09-2015)“…Hydrodynamic instabilities can cause capsule defects and other perturbations to grow and degrade implosion performance in ignition experiments at the National…”
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8
Measurement of Hydrodynamic Growth near Peak Velocity in an Inertial Confinement Fusion Capsule Implosion using a Self-Radiography Technique
Published in Physical review letters (15-07-2016)“…First measurements of hydrodynamic growth near peak implosion velocity in an inertial confinement fusion (ICF) implosion at the National Ignition Facility were…”
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9
Hot electron temperature and coupling efficiency scaling with prepulse for cone-guided fast ignition
Published in Physical review letters (16-03-2012)“…The effect of increasing prepulse energy levels on the energy spectrum and coupling into forward-going electrons is evaluated in a cone-guided fast-ignition…”
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10
Use of GafChromic film to diagnose laser generated proton beams
Published in Review of scientific instruments (01-05-2008)“…A calibration of three types of GafChromic radiochromic film (HS, MD-55, and HD-810) was carried out on the Crocker Nuclear Laboratory's 76 in. cyclotron at UC…”
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11
Fuel gain exceeding unity in an inertially confined fusion implosion
Published in Nature (London) (20-02-2014)“…Fusion fuel gains greater than unity — which are crucial to the generation of fusion energy — are achieved on the US National Ignition Facility using the…”
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12
A Saturated X-ray Laser Beam at 7 Nanometers
Published in Science (American Association for the Advancement of Science) (16-05-1997)“…A saturated nickel-like samarium x-ray laser beam at 7 nanometers has been demonstrated with an output energy of 0.3 millijoule in 50-picosecond pulses,…”
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13
Onset of hydrodynamic mix in high-velocity, highly compressed inertial confinement fusion implosions
Published in Physical review letters (23-08-2013)“…Deuterium-tritium inertial confinement fusion implosion experiments on the National Ignition Facility have demonstrated yields ranging from 0.8 to 7×10(14),…”
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14
Enhanced energy coupling for indirectly driven inertial confinement fusion
Published in Nature physics (01-02-2019)“…Recent experiments in the study of inertial confinement fusion (ICF) at the National Ignition Facility (NIF) in the United States have reached the so-called…”
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15
X-ray Imaging of Shock Waves Generated by High-Pressure Fuel Sprays
Published in Science (American Association for the Advancement of Science) (15-02-2002)“…Synchrotron x-radiography and a fast x-ray detector were used to record the time evolution of the transient fuel sprays from a high-pressure injector. A…”
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16
High-density carbon capsule experiments on the national ignition facility
Published in Physical review. E, Statistical, nonlinear, and soft matter physics (25-02-2015)“…Indirect-drive implosions with a high-density carbon (HDC) capsule were conducted on the National Ignition Facility (NIF) to test HDC properties as an ablator…”
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Limitation on prepulse level for cone-guided fast-ignition inertial confinement fusion
Published in Physical review letters (05-02-2010)“…The viability of fast-ignition (FI) inertial confinement fusion hinges on the efficient transfer of laser energy to the compressed fuel via multi-MeV…”
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Performance of high-convergence, layered DT implosions with extended-duration pulses at the National Ignition Facility
Published in Physical review letters (22-11-2013)“…Radiation-driven, low-adiabat, cryogenic DT layered plastic capsule implosions were carried out on the National Ignition Facility (NIF) to study the…”
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19
Clocking femtosecond X rays
Published in Physical review letters (25-03-2005)“…Linear-accelerator-based sources will revolutionize ultrafast x-ray science due to their unprecedented brightness and short pulse duration. However,…”
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Transient strain driven by a dense electron-hole plasma
Published in Physical review letters (17-10-2003)“…We measure transient strain in ultrafast laser-excited Ge by time-resolved x-ray anomalous transmission. The development of the coherent strain pulse is…”
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