Image: 17jila003 3d strontium atomic clock

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Description: JILA’s three-dimensional (3-D) quantum gas atomic clock consists of a grid of light formed by three pairs of laser beams. A stack of two tables is used to configure optical components around a vacuum chamber. Shown here is the upper table, where lenses and other optics are mounted. A blue laser beam excites a cube-shaped cloud of strontium atoms located behind the round window in the middle of the table. Strontium atoms fluoresce strongly when excited with blue light.
Title: 17jila003 3d strontium atomic clock
Credit: http://patapsco.nist.gov/imagegallery/details.cfm?imageid=1319
Author: National Institute of Standards and Technology
Usage Terms: Public domain
License: Public domain
Attribution Required?: No

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Atomic clock

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