That's how the U.S. pulled off the historic first fusion ignition, producing net positive energy at the Lawrence Livermore National Ignition Facility, or NIF, in 2022.
Here, the preamplifier module increases the laser energy as it heads toward the target chamber at the National Ignition Facitility.
Photo courtesy Damien Jemison at Lawrence Livermore National Laboratory
Since then, private investment in U.S. fusion startups has soared to more than $8 billion, up from $1.2 billion in 2021, according to the Fusion Industry Association. Of the FIA's 40 member companies, 25 of them are based in the U.S.