The Gordon and Betty Moore Foundation, the Simons Foundation, the Alfred P. Sloan Foundation, and the John Templeton Foundation , Jun Ye, tabletop experiment, | JILA - Exploring the Frontiers of Physics

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NIST - National Instiute for Standards & Technology

Groundbreaking "Tabletop" Physics Experiments Receive Major Funding, with JILA and NIST Fellow Jun Ye Leading Key Project

JILA's three-dimensional (3-D) quantum gas atomic clock consists of a grid of light formed by three pairs of laser beams. Multiple lasers of various colors are used to cool the atoms, trap them in a grid of light, and probe them for clock operation. A blue laser beam excites a cube-shaped cloud of strontium atoms. Strontium atoms fluorescence strongly when excited with blue light, as seen in the upper right corner behind the vacuum window.

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