First Light Fusion — Technical Profile & Analysis
Deep-dive assessment of the Projectile Impact architecture, fuel path, and market positioning.
Confinement & Reactor
Inertial Confinement (Projectile Impact)
Fuel Strategy
Deuterium-Tritium
Engineering Moat
Gyrotrons & Tritium Fuel-Cycle Systems
Commercial / Funding Profile
Private — Stage Undisclosed
Technology Assessment & Commercial Milestones
Oxford spin-out using a hypersonic projectile fired into a proprietary target amplifier to compress fuel — no lasers, no magnets. In late 2025 reported a tritium breeding ratio of 1.8 for its FLARE blanket concept.
Thesis: Sell amplifier targets and blanket IP to the rest of the industry — be the 'fuel cartridge' company for inertial fusion.
Key engineering bottlenecks: Projectile repetition rate for power-plant duty cycle; Target manufacturing economics.
Recent milestones: 2022 — Validated first fusion neutrons (Machine 3); Late 2025 — FLARE blanket: TBR = 1.8 reported.
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