Experimental efforts to reduce the uncertainty of the ytterbium (171Yb) optical lattice clock at NMIJ, AIST are shown. The signal-to-noise ratio of the spectrum was increased by 10 times by an atom number normalization scheme.
© 2012 OSA
M. Yasuda, T. Kohno, K. Hosaka, H. Inaba, Y. Nakajima, D. Akamatsu, and F. Hong, "Progress of the 171Yb Optical Lattice Clock at NMIJ, AIST," in Conference on Lasers and Electro-Optics 2012, OSA Technical Digest (online) (Optical Society of America, 2012), paper JTh2A.51.
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