Research & Development

UK’s First Light Fusion Claims Breakthrough Pathway To High-Gain Fusion

By Kamen Kraev
22 September 2025

Oxford company says novel approach to cut costs and accelerate deployment

UK’s First Light Fusion Claims Breakthrough Pathway To High-Gain Fusion
First Light plans to provide its amplifier technology to the fast-growing global inertial fusion energy industry. Courtesy First Light Fusion.
UK-based nuclear fusion company First Light Fusion has set out what it says is the first “reactor-compatible” pathway to high-gain inertial fusion energy (IFE), a potential breakthrough that could enable commercially viable, low-cost fusion power.

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