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4 papers
One-Dimensional Optical Lattice Clock with a Fermionic 171Yb Isotope
Takuya Kohno, Masami Yasuda, Kazumoto Hosaka +3
We demonstrate a one-dimensional optical lattice clock with ultracold 171Yb atoms, which is free from the linear Zeeman effect. The absolute frequency of the 1S0(F = 1/2) - 3P0(F =…
Doppler-free spectroscopy of molecular iodine using a frequency-stable light source at 578 nm
Feng-Lei Hong, Hajime Inaba, Kazumoto Hosaka +2
A stable light source obtained using sum-frequency generation (SFG) is developed for high-resolution spectroscopy at 578 nm. Hyperfine transitions of molecular iodine are observed…
Wave-Function Reconstruction for the Determination of the Scattering Length of Sr
Masami Yasuda, Tetsuo Kishimoto, Masao Takamoto +1
We have investigated the photoassociation (PA) spectra of ultracold Sr atoms near the $5s^2 ^1S_0+5s5p ^1P_1$ atomic asymptote. The intensity modulation of the PA lines was…
Lifetime measurement of the ^3P_2 metastable state of strontium atoms
Masami Yasuda, Hidetoshi Katori
We have measured the lifetime of the 5s5p ^3P_2 metastable state of strontium atoms by magneto-optically trapping the decayed atoms to the ground state, which allowed sensitive det…