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DOE OSTI · 3012236

Physics of laser direct-drive liquid deuterium–tritium wetted foam capsules for inertial confinement fusion

Olson, Richard Edward [Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)] (ORCID:0000000154711404)·Thomas, C. A. [Univ. of Rochester, NY (United States)] (ORCID:0000000231312491)·Haines, Brian Michael [Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)] (ORCID:0000000238897074)·Schmitt, Mark J. [Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)] (ORCID:0000000201979180)
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Abstract

Laser direct-drive liquid deuterium–tritium (DT) wetted foam capsules hold substantial promise for future advancements in inertial confinement fusion (ICF). For this new class of ICF capsules, additive manufacturing (AM) techniques are used to create low aspect ratio spherical shells of a low-density, foam-like CH lattice, which is wetted with cryogenic liquid DT. In the present paper, we discuss key physics issues intrinsic to ignition and burn propagation in laser direct drive wetted foam capsules. These include requirements on laser energy and power, implosion velocity, fuel adiabat, and initial density and dimensions of the CH lattice shell.

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70 PLASMA PHYSICS AND FUSION TECHNOLOGYadditive manufacturinginertial confinement fusioninertial fusion energylaser direct driveliquid DT wetted foam capsules

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Olson, Richard Edward [Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)] (ORCID:0000000154711404), Thomas, C. A. [Univ. of Rochester, NY (United States)] (ORCID:0000000231312491), Haines, Brian Michael [Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)] (ORCID:0000000238897074), Schmitt, Mark J. [Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)] (ORCID:0000000201979180). 2025-12-18. Physics of laser direct-drive liquid deuterium–tritium wetted foam capsules for inertial confinement fusion. https://doi.org/10.1088/1741-4326%2Fae2596

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