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Contact: Laura Ost
National Institute of Standards and Technology (NIST)

NIST's Ultra-Stable Ytterbium Lattice Atomic Clock

Caption: In NIST's ultra-stable ytterbium lattice atomic clock, ytterbium atoms are generated in an oven (large metal cylinder on the left) and sent to a vacuum chamber in the center of the photo to be manipulated and probed by lasers. Laser light is transported to the clock by five fibers (such as the yellow fiber in the lower center of the photo).

Credit: Burrus/NIST

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Related news release: NIST ytterbium atomic clocks set record for stability

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