Physics principles of inertial confinement fusion and US program overview

OA Hurricane, PK Patel, R Betti, DH Froula… - Reviews of Modern …, 2023 - APS
Inertial confinement fusion (ICF) has existed as a field of study since the 1970s, but the field
was born out of the Cold War. In the decades since the 1960s, pioneering research …

[HTML][HTML] Progress toward fusion energy breakeven and gain as measured against the Lawson criterion

SE Wurzel, SC Hsu - Physics of Plasmas, 2022 - pubs.aip.org
The Lawson criterion is a key concept in the pursuit of fusion energy, relating the fuel density
n, pulse duration τ or energy confinement time τ E, and fuel temperature T to the energy gain …

Performance scaling in magnetized liner inertial fusion experiments

MR Gomez, SA Slutz, CA Jennings, DJ Ampleford… - Physical Review Letters, 2020 - APS
We present experimental results from the first systematic study of performance scaling with
drive parameters for a magnetoinertial fusion concept. In magnetized liner inertial fusion …

Tripled yield in direct-drive laser fusion through statistical modelling

V Gopalaswamy, R Betti, JP Knauer, N Luciani, D Patel… - Nature, 2019 - nature.com
Focusing laser light onto a very small target can produce the conditions for laboratory-scale
nuclear fusion of hydrogen isotopes. The lack of accurate predictive models, which are …

Demonstration of a hydrodynamically equivalent burning plasma in direct-drive inertial confinement fusion

V Gopalaswamy, CA Williams, R Betti, D Patel… - Nature Physics, 2024 - nature.com
Focussing laser light onto the surface of a small target filled with deuterium and tritium
implodes it and leads to the creation of a hot and dense plasma, in which thermonuclear …

Theory of ignition and burn propagation in inertial fusion implosions

AR Christopherson, R Betti, S Miller… - Physics of …, 2020 - pubs.aip.org
A detailed analytic model is presented here to investigate the physics of burn propagation in
inertially confined plasmas. The onset of ignition and burn propagation occurs when alpha …

Demonstration of hot-spot fuel gain exceeding unity in direct-drive inertial confinement fusion implosions

CA Williams, R Betti, V Gopalaswamy, JP Knauer… - Nature Physics, 2024 - nature.com
Irradiating a small capsule containing deuterium and tritium fuel directly with intense laser
light causes it to implode, which creates a plasma hot enough to initiate fusion reactions …

[HTML][HTML] Laser-direct-drive program: Promise, challenge, and path forward

EM Campbell, VN Goncharov, TC Sangster… - Matter and Radiation …, 2017 - pubs.aip.org
Along with laser-indirect (X-ray)-drive and magnetic-drive target concepts, laser direct drive
is a viable approach to achieving ignition and gain with inertial confinement fusion. In the …

Demonstration of scale-invariant Rayleigh-Taylor instability growth in laser-driven cylindrical implosion experiments

JP Sauppe, S Palaniyappan, BJ Tobias, JL Kline… - Physical Review Letters, 2020 - APS
Rayleigh-Taylor instability growth is shown to be hydrodynamically scale invariant in
convergent cylindrical implosions for targets that varied in radial dimension and implosion …

[HTML][HTML] Progress toward a self-consistent set of 1D ignition capsule metrics in ICF

JD Lindl, SW Haan, OL Landen… - Physics of …, 2018 - pubs.aip.org
One-dimensional metrics can be considered an upper bound on the performance that can
be achieved given an implosion with an imploding mass M imp and a given adiabat α …