CPT atomic clock based on an antirelaxation-coated cell and quadrature-signal method of the light shift cancellation
2018
High-stability and compact clocks are in great demand for many applications, for example, such as global navigation satellite systems (GNSS), broadband communication networks and high-secret lines, smart electricity grids, etc. Many applications of the clocks require small size and weight (V 3 , m −12 per a day). The most promising technology involves approach based on the coherent populations trapping (CPT) phenomenon, because it can combine all the features listed. Here we present the recent progress of development a version of CPT atomic clocks, which involves an antirelaxation-coated cell and the quadrature-signal method for the light shift cancellation.
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