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The fast ignition paradigm for inertial confinement fusion (ICF) allows for extremely high gains but requires fuel to be heated very quickly to outpace hotspot disassembly and energy losses. This demands lasers with high power and…

Plasma Physics · Physics 2026-02-16 Benjamin Wang , Henry Fetsch , Nathaniel J. Fisch

Fast ignition is an alternative concept of laser fusion in which the task of compressing the fusion pellet to supersolid densities is accomplished by the conventional high energy nanosecond glass lasers and the task of igniting the…

Plasma Physics · Physics 2018-04-23 Atul Kumar , Chandrasekhar Shukla , Predhiman Kaw , Amita Das

Fast isochoric laser heating is a scheme to heat a matter with relativistic-intensity ($>$ 10$^{18}$ W/cm$^2$) laser pulse or X-ray free electron laser pulse. The fast isochoric laser heating has been studied for creating efficiently…

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 for FIREX class targets. For the cone-attached shell…

Significant progress has been made towards laser-driven fusion ignition via different schemes, including direct and indirect central ignition, fast ignition, shock ignition, and impact ignition schemes. However, to reach ignition…

Plasma Physics · Physics 2016-06-09 W. -M. Wang , P. Gibbon , Z. -M. Sheng , Y. T. Li , J. Zhang

The fast ignition paradigm for inertial fusion offers increased gain and tolerance of asymmetry by compressing fuel at low entropy and then quickly igniting a small region. Because this hotspot rapidly disassembles, the ions must be heated…

Plasma Physics · Physics 2023-10-10 Henry Fetsch , Nathaniel J. Fisch

It was reported that the fuel core was heated up to ~ 0.8 [keV] in the fast ignition experimentswith cone-guided targets, but they could not theoretically explain heating mechanisms and achievement of such high temperature. Thus simulations…

Plasma Physics · Physics 2016-09-08 Hitoshi Sakagami , Tomoyuki Johzaki , Hideo Nagatomo , Kunioki Mima

While the underlying physics of the ICF approach to nuclear fusion is well understood and a technological implementation of the indirect drive variant of the ICF paradigm has recently been given at NIF commercially viable ICF concepts for…

Plasma Physics · Physics 2023-07-04 Hartmut Ruhl , Georg Korn

Fast Ignition Inertial Confinement Fusion is a variant of inertial fusion in which DT fuel is first compressed to high density and then ignited by a relativistic electron beam generated by a fast (< 20 ps) ultra-intense laser pulse, which…

An indirect-direct hybrid-drive work-dominated hotspot ignition scheme for inertial confinement fusion is proposed: a layered fuel capsule inside a spherical hohlraum with an octahedral symmetry is compressed first by indirect-drive soft-x…

Plasma Physics · Physics 2015-04-01 X. T. He , Z. F. Fan , J. W. Li , J. Liu , K. Lan , J. F. Wu , L. F. Wang , W. H. Ye

Burn efficiency is a key for commercial feasibility of fusion power station for inertial fusion energy, while burn efficiency is usually lower than 30% in the central ignition scheme of inertial confinement fusion (ICF). A recent conceptual…

Plasma Physics · Physics 2024-12-25 Yongsheng Li , Ke Lan , Hui Cao , Yao-Hua Chen , Xiaohui Zhao , Zhan Sui

Motivated by breakthroughs in inertial confinement fusion (ICF), first achieving ignition conditions in National Ignition Facility (NIF) shot N210808 and then laser energy breakeven in N221204, modeling efforts here investigate the effect…

In this paper, a six-cylinder-port hohlraum is proposed to provide high symmetry flux on capsule. It is designed to ignite a capsule with 1.2 mm radius in indirect-drive inertial confinement fusion (ICF) . Flux symmetry and laser energy are…

Plasma Physics · Physics 2016-06-06 Li Xin , Wu Changshu , Dai Zhensheng , Zheng Wudi , Gu Jianfa , Gu Peijun , Zou Shiyang , Liu Jie , Zhu Shaoping

One of the best methods in inertial confinement fusion (ICF) is the concept of central spark ignition, consisting of two distinct regions named as hot and cold regions and formed by hydro-dynamical implosion of fuel micro-sphere central…

Plasma Physics · Physics 2007-05-23 A. Ghasemizad , M. Kamran

High-energy-density flows through dense matter are needed for effective progress in the production of laser-driven intense sources of energetic particles and radiation, in driving matter to extreme temperatures creating state regimes…

Heavy ion inertial fusion (HIF) energy would be one of promising energy resources securing our future energy in order to sustain our human life for centuries and beyond. The heavy ion beam (HIB) has remarkable preferable features to release…

The success of direct laser-driven inertial confinement fusion (ICF) relies critically on the efficient coupling of laser light to plasma. At ignition scale, the absolute stimulated Raman scattering (SRS) instability can severely inhibit…

Plasma Physics · Physics 2020-08-19 A. V. Maximov , J. G. Shaw , J. P. Palastro

Imposing a magnetic field on inertial confinement fusion (ICF) implosions magnetizes the electrons in the compressed fuel; this suppresses thermal losses which increases temperature and fusion yield. Indirect-drive experiments at the…

Plasma Physics · Physics 2025-08-15 R. C. Spiers , A. Bose , C. A. Frank , B. Lahmann , J. D. Moody , H. Sio , D. J. Strozzi

Recent experiments at the National Ignition Facility (NIF) have demonstrated ignition for the first time in an inertial confinement fusion (ICF) experiment, a major milestone allowing the possibility of high energy gain through burn…

A new hybrid indirect-direct-drive ignition scheme is proposed for inertial confinement fusion: a cryogenic capsule encased in a hohlraum is first compressed symmetrically by indirect-drive x-rays, and then accelerated and ignited by both…

Plasma Physics · Physics 2013-03-07 Zhengfeng Fan , Mo Chen , Zhensheng Dai , Hong-bo Cai , Shao-ping Zhu , W. Y. Zhang , X. T. He
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