A(87)Sr optical lattice clock with 2.9 x 10( -17) uncertainty and its absolute frequency measurement

Lin, YG; Wang, Q; Meng, F; Cao, SY; Wang, YZ; Li, Y; Sun, Z; Lu, BK; Yang, T; Lin, BK; Zhang, AM; Fang, F; Fang, ZJ

Lin, YG (corresponding author), Natl Inst Metrol, Div Time & Frequency Metrol, Beijing 100029, Peoples R China.

METROLOGIA, 2021; 58 (3):

Abstract

We report the Sr-87 optical lattice clock at NIM with a clock laser referenced to a 30 cm ULE cavity. Several improvements, such as the atomic tempera......

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