Laser ion acceleration via control of the near-critical density target

A Yogo, H Daido, SV Bulanov, K Nemoto, Y Oishi… - Physical Review E …, 2008 - APS
Duration-controlled amplified spontaneous emission with an intensity of 10 13 W∕ cm 2 is
used to convert a 7.5-μ m-thick polyimide foil into a near-critical plasma, in which the p …

Fast ignition realization experiment with high-contrast kilo-joule peta-watt LFEX laser and strong external magnetic field

S Fujioka, Y Arikawa, S Kojima, T Johzaki… - Physics of …, 2016 - pubs.aip.org
A petawatt laser for fast ignition experiments (LFEX) laser system [N. Miyanaga et al., J.
Phys. IV France 133, 81 (2006)], which is currently capable of delivering 2 kJ in a 1.5 ps …

Prepulse and amplified spontaneous emission effects on the interaction of a petawatt class laser with thin solid targets

TZ Esirkepov, JK Koga, A Sunahara, T Morita… - Nuclear Instruments and …, 2014 - Elsevier
When a finite contrast petawatt laser pulse irradiates a micron-thick foil, a prepulse
(including amplified spontaneous emission) creates a preplasma, where an ultrashort …

Fast ignitor target studies for the HiPER project

S Atzeni, A Schiavi, JJ Honrubia, X Ribeyre… - Physics of …, 2008 - pubs.aip.org
Target studies for the proposed High Power Laser Energy Research (HiPER) facility [M.
Dunne, Nature Phys. 2, 2 (2006)] are outlined and discussed. HiPER will deliver a 3 ω …

Optimization of cone target geometry for fast ignition

T Nakamura, H Sakagami, T Johzaki, H Nagatomo… - Physics of …, 2007 - pubs.aip.org
Electron energy characteristics generated by the irradiation of ultraintense laser pulses onto
solid targets are controlled by using cone targets. Two parameters characterizing the laser …

Electromagnetic field growth triggering super-ponderomotive electron acceleration during multi-picosecond laser-plasma interaction

S Kojima, M Hata, N Iwata, Y Arikawa… - Communications …, 2019 - nature.com
The dependence of the mean kinetic energy of laser-accelerated relativistic electrons (REs)
on the laser intensity, so-called ponderomotive scaling, explains well the experimental …

Present status of fast ignition realization experiment and inertial fusion energy development

H Azechi, K Mima, S Shiraga, S Fujioka… - Nuclear …, 2013 - iopscience.iop.org
One of the most advanced fast ignition programmes is the fast ignition realization experiment
(FIREX). The goal of its first phase is to demonstrate ignition temperature of 5 keV, followed …

Plasma physics and laser development for the Fast-Ignition Realization Experiment (FIREX) Project

H Azechi, K Mima, Y Fujimoto, S Fujioka… - Nuclear …, 2009 - iopscience.iop.org
Since the approval of the first phase of the Fast-Ignition Realization Experiment (FIREX-I),
we have devoted our efforts to designing advanced targets and constructing a petawatt …

Heating efficiency evaluation with mimicking plasma conditions of integrated fast-ignition experiment

S Fujioka, T Johzaki, Y Arikawa, Z Zhang, A Morace… - Physical Review E, 2015 - APS
A series of experiments were carried out to evaluate the energy-coupling efficiency from
heating laser to a fuel core in the fast-ignition scheme of laser-driven inertial confinement …

Integrated simulation of magnetic-field-assist fast ignition laser fusion

T Johzaki, H Nagatomo, A Sunahara… - Plasma Physics and …, 2016 - iopscience.iop.org
To enhance the core heating efficiency in fast ignition laser fusion, the concept of relativistic
electron beam guiding by external magnetic fields was evaluated by integrated simulations …