Expanding the Fusion Frontier

Ten Ignition Results, Unprecedented Fusion Yields

LLNL’s National Ignition Facility is the only lab on Earth to achieve fusion ignition.
Since making history in 2022, each repeat deepens our understanding of high energy density and fusion science.
Explore how NIF brings star power to Earth in service of U.S. national security.

Achieving Fusion Ignition   How NIF Works

NNSA and LLNL Advance NIF Laser Upgrade

The Department of Energy and National Nuclear Security Administration have approved a path forward for a project that will increase the laser energy available to NIF at LLNL. The Enhanced Yield Capability project will enable more pertinent assessments and modernization efforts for the nation’s nuclear stockpile.

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NIF Cross Section
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NIF Milestones

FIRST IGNITION

December 2022

More fusion energy out than laser energy in

RECORD FUSION YIELD

April 2025

8.6 MJ of fusion energy, target gain >4

SECURING THE STOCKPILE

October 2025

Milestone survivability results for NNSA

UPGRADING THE LASER

March 2026

Embarking on the NIF Enhanced Yield Capability

NIF and Photon Science News

 

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