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Absolute frequency measurement of molecular iodine hyperfine transitions at 554 nm and its application to stabilize a 369 nm laser for Yb+ ions cooling
Y. T. Chen, N. C. Xin, H. R. Qin +4
We investigate 13 hyperfine structures of transition lines of 127I2 near 554 nm, namely, the R(50) 22-0, P(46) 22-0, P(121) 24-0, P(69) 25-1, R(146) 25-0, R(147) 28-1, P(160) 26-0,…
Precise determination of ground-state hyperfine splitting and calculation of Zeeman coefficients for 171Yb+ microwave frequency standard
J. Z. Han, B. Q. Lu, N. C. Xin +7
We report precise measurement of the hyperfine splitting and calculation of the Zeeman coefficients of the Yb ground state. The absolute hyperfine splitting frequency i…
- sympathetic-cooling bi-species Coulomb crystal applied to microwave frequency standard
Y Zheng, H. R. Qin, S. N. Miao +5
We reported the realization of a - bi-species Coulomb crystal comprising ions as coolant and verified its potential…
High-Performance Microwave Frequency Standard Based on Sympathetically Cooled Ions
Hao-Ran Qin, Sheng-Nan Miao, Ji-Ze Han +4
The ion microwave frequency standard is a candidate for the next generation of microwave frequency standard with the potential for very wide applications. The Dick effect and secon…