New super-accurate optical atomic clocks pass critical test

Thursday, April 11, 2019 - 20:30 in Physics & Chemistry

Researchers have measured an optical clock's ticking with record-breaking accuracy while also showing the clock can be operated with unprecedented consistency. These achievements represent a significant step toward demonstrating that the new generation of optical atomic clocks are accurate and robust enough to be used to redefine the official length of a second, which is currently based on microwave atomic clocks.

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