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Research & Applications

Changing laser polarization could save optics at NIF

June 30, 2026, 9:33AMNuclear News
In an ICF experiment at NIF, the lasers converge at tiny entrance holes at the top and bottom of the hohlraum. The intersection of the lasers enables crossed-beam energy transfer, an important factor in maintaining symmetry of implosions. (Image: LLNL)

New calculations by scientists at Lawrence Livermore National Laboratory suggest that changing the polarization of the National Ignition Facility’s lasers could reduce backscatter, an effect that can make an optic unusable after a single shot.

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inertial confinement fusionlaser plasma instabilitiesllnlnif
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