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Gemini Laser Plasma Mirror Generates Record-Intense Light Source

4/25/2026

Summary

Story summary

Prof. Peter Norreys and Dr. Robin Timmis announced a breakthrough with the Gemini laser, creating a plasma mirror they named Coherent Harmonic Focus that concentrates wavelengths into a spot.
Simulations suggest the experiment may have produced the most intense coherent light source ever recorded, a result published in Nature.
Researchers say the technique could enable quantum-electrodynamics tests, fusion-ignition lasers, and more powerful weapons, offering a 10,000-fold boost despite single-use targets.

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Story summary

Prof. Peter Norreys and Dr. Robin Timmis announced a breakthrough with the Gemini laser, creating a plasma mirror they named Coherent Harmonic Focus that concentrates wavelengths into a spot.
Simulations suggest the experiment may have produced the most intense coherent light source ever recorded, a result published in Nature.
Researchers say the technique could enable quantum-electrodynamics tests, fusion-ignition lasers, and more powerful weapons, offering a 10,000-fold boost despite single-use targets.