![]() The projects may lead to new methods of atomic clock production at wafer scale. John Burke, program manager for the Atomic Clock with Enhanced Stability (ACES) program in DARPA’s Microsystems Technology Office (MTO). “Shrinking atomic clocks from large cesium beam tubes to chip-scale devices without eroding performance requires a rethinking of a number of critical components, including vacuum pumps and optical isolators as well as new approaches to component integration,” said Dr. NASA’s Jet Propulsion Laboratory (JPL), with researchers at SRI International, the University of California, Davis, and the University of Illinois Urbana-Champaign demonstrated an experimental atomic clock using an ion-based approach to atom cooling that relies on ionized mercury and ultraviolet lamps instead of lasers.Honeywell, in partnership with University of California, Santa Barbara, is developing precision atomic sensors based on a magneto-optic trap (MOT) produced by a three-dimensional arrangement of laser beams. ![]() The National Institute of Standards and Technology (NIST) collaborated with researchers at the California Institute of Technology, Stanford University, and Charles Stark Draper Laboratoriesto demonstrate an experimental optical atomic clock that is comprised of three small chips, supporting electronics and optics.It recently announced three R&D projects well on their way to achieving these goals. Defense Advanced Research Projects Agency (DARPA) unveiled the first chip-scale atomic clock (CSAC) in 2003 and has steadily funded improvements to get the clocks even smaller, more precise, and less expensive.
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