Abstract
We present the results obtained in the course of the development of an optical frequency standard based on cold 87Sr atoms. We describe the parameters of experimental optical schemes developed for the realization of all stages of the consecutive laser cooling and trapping of the 87Sr atoms in the optical lattice. The procedure of clock transition spectroscopy was successfully performed with a spectral transition linewidth of 12 Hz. A measuring complex based on a femtosecond optical frequency synthesizer is developed. This complex enables us to compare the optical frequency standard with a hydrogen maser. The created optical frequency standard on cold 87Sr atoms has been included in the composition of the GET 1-2018 primary standard.
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