Direct heating of a laser-imploded core by ultraintense laser-driven ions

Y Kitagawa, Y Mori, O Komeda, K Ishii, R Hanayama… - Physical Review Letters, 2015 - APS
A novel direct core heating fusion process is introduced, in which a preimploded core is
predominantly heated by energetic ions driven by LFEX, an extremely energetic ultrashort …

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 …

Direct fast heating efficiency of a counter-imploded core plasma employing a laser for fast ignition experiments (LFEX)

Y Kitagawa, Y Mori, K Ishii, R Hanayama… - Nuclear …, 2022 - iopscience.iop.org
Fast heating efficiency when a pre-imploded core is directly heated with an ultraintense
laser (heating laser) was investigated.'Direct heating'means that a heating laser hits a pre …

Characterizing a fast-response, low-afterglow liquid scintillator for neutron time-of-flight diagnostics in fast ignition experiments

Y Abe, H Hosoda, Y Arikawa, T Nagai… - Review of Scientific …, 2014 - pubs.aip.org
The characteristics of oxygen-enriched liquid scintillators with very low afterglow are
investigated and optimized for application to a single-hit neutron spectrometer for fast …

Direct heating of a laser-imploded core using ultraintense laser LFEX

Y Kitagawa, Y Mori, K Ishii, R Hanayama… - Nuclear …, 2017 - iopscience.iop.org
A CD shell was preimploded by two counter-propagating green beams from the GEKKO
laser system GXII (based at the Institute of Laser Engineering, Osaka University), forming a …

Development of multichannel time-of-flight neutron spectrometer for the fast ignition experiment

Y Abe, H Hosoda, Y Arikawa, T Nagai… - Plasma and Fusion …, 2014 - jstage.jst.go.jp
Neutron time-of-flight (nTOF) is an essential diagnostic to determine the neutron spectrum in
Fast Ignition (FI) research at the Institute of Laser Engineering (ILE), Osaka University. Some …

A multichannel gated neutron detector with reduced afterpulse for low-yield neutron measurements in intense hard X-ray backgrounds

Y Abe, N Nakajima, Y Sakaguchi, Y Arikawa… - Review of Scientific …, 2018 - pubs.aip.org
A design of multichannel gated photomultiplier tube (PMT) is presented for the 960-channel
neutron time-of-flight detector at the Institute of Laser Engineering of Osaka University. This …

Development of tritium tracer doped liquid fuel target for inertial confinement fusion at the Gekko XII-LFEX facility

Y Arikawa, Y Iwasa, K Yamanoi, K Iwano… - Fusion Science and …, 2020 - Taylor & Francis
In inertial confinement fusion (ICF), a fuel target containing deuterium and tritium is used. In
recent ICF experiments on the Gekko XII LFEX facility at the Institute of Laser Engineering at …

The diagnostics of the energy coupling efficiency in the Fast Ignition integrated experiment

Y Arikawa, S Fujioka, A Morace, Z Zhang… - Journal of Physics …, 2016 - iopscience.iop.org
The energy coupling efficiency (CE) in Fast Ignition (FI) laser fusion was studied at GEKKO
XII and LFEx laser facility by using newly developed targets and plasma diagnostic …

The development of the neutron detector for the fast ignition experiment by using LFEX and Gekko XII facility

T Nagai, M Nakai, Y Arikawa, Y Abe… - Plasma and Fusion …, 2014 - jstage.jst.go.jp
Fast ignition scheme inertial confinement fusion has been studied for more than a decade.
Especially, the world largest peta-watt laser “LFEX” with energy exceeding 1 kJ and 1ps …