التفاصيل البيبلوغرافية
| العنوان: |
Study of optical clocks based on ultracold 171Yb atoms. |
| المؤلفون: |
Ai, Di, Qiao, Hao, Zhang, Shuang, Luo, Li-Meng, Sun, Chang-Yue, Zhang, Sheng, Peng, Cheng-Quan, Qi, Qi-Chao, Jin, Tao-Yun, Zhou, Min, Xu, Xin-Ye |
| المصدر: |
Chinese Physics B; Aug2020, Vol. 29 Issue 9, p1-5, 5p |
| مصطلحات موضوعية: |
ULTRACOLD molecules, ATOMIC clocks, ATOMS, OPTICAL lattices, QUESTIONING |
| مستخلص: |
The optical atomic clocks have the potential to transform global timekeeping, relying on the state-of-the-art accuracy and stability, and greatly improve the measurement precision for a wide range of scientific and technological applications. Herein we report on the development of the optical clock based on 171Yb atoms confined in an optical lattice. A minimum width of 1.92-Hz Rabi spectra has been obtained with a new 578-nm clock interrogation laser. The in-loop fractional instability of the 171Yb clock reaches 9.1 × 10−18 after an averaging over a time of 2.0 × 104 s. By synchronous comparison between two clocks, we demonstrate that our 171Yb optical lattice clock achieves a fractional instability of. [ABSTRACT FROM AUTHOR] |
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