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368 Physicists Revive 1990s Laser Concept To Propose a Next-Generation Atomic Clock

Slashdot
BeauHD @ Slashdot · 04/25/2026 07:00 EDT

Physicists Revive 1990s Laser Concept To Propose a Next-Generation Atomic Clock

Physicists have proposed a new kind of atomic clock based on a revived superradiant laser concept that could produce an extraordinarily stable signal with a linewidth around 100 microhertz, potentially the narrowest ever for an optical laser. "The implications of this result could stretch well beyond timekeeping," reports Phys.org. "A laser immune to environmental frequency shifts would be a powerful tool in optical interferometry -- using interference patterns in light to make ultra-precise measurements.".

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