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Metrology

Metrology

The most precise timekeeping device ever built

27 Aug 2024 Ali Lezeik 
Precision instrument: Optical lattice clock setup showing the vacuum chamber and optics for beam delivery. Behind the chamber’s glass window are the strontium atoms in a lattice that demonstrated the world’s most precise clock. (Courtesy: Kyungtae Kim, JILA)
If you want to make a clock, all you need is an oscillation – preferably one that is stable in fre

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Ali Lezeik is a PhD student contributor to Physics World. Ali is currently working on quantum optics at the Leibniz University Hannover. Find out more about our student contributor networks
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