Frequency Measurement of the Electric Quadrupole Transition in a Single Laser-Cooled 40Ca+
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Abstract
The optical frequency of the4s2S1/2–3d2D5/2 transition in a single trapped and laser−cooled 40Ca+ ion is measured with an optical frequency comb system referenced to a hydrogen maser. A 729−nm laser can be locked to the clock transition about ten hours and the Allan deviation is better than 2×10-14/1000s.
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LIU Qu, HUANG Yao, CAO Jian, OU Bao-Quan, GUO Bin, GUAN Hua, HUANG Xue-Ren, GAO Ke-Lin. Frequency Measurement of the Electric Quadrupole Transition in a Single Laser-Cooled 40Ca+[J]. Chin. Phys. Lett., 2011, 28(1): 013201. DOI: 10.1088/0256-307X/28/1/013201
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LIU Qu, HUANG Yao, CAO Jian, OU Bao-Quan, GUO Bin, GUAN Hua, HUANG Xue-Ren, GAO Ke-Lin. Frequency Measurement of the Electric Quadrupole Transition in a Single Laser-Cooled 40Ca+[J]. Chin. Phys. Lett., 2011, 28(1): 013201. DOI: 10.1088/0256-307X/28/1/013201
|
LIU Qu, HUANG Yao, CAO Jian, OU Bao-Quan, GUO Bin, GUAN Hua, HUANG Xue-Ren, GAO Ke-Lin. Frequency Measurement of the Electric Quadrupole Transition in a Single Laser-Cooled 40Ca+[J]. Chin. Phys. Lett., 2011, 28(1): 013201. DOI: 10.1088/0256-307X/28/1/013201
|
LIU Qu, HUANG Yao, CAO Jian, OU Bao-Quan, GUO Bin, GUAN Hua, HUANG Xue-Ren, GAO Ke-Lin. Frequency Measurement of the Electric Quadrupole Transition in a Single Laser-Cooled 40Ca+[J]. Chin. Phys. Lett., 2011, 28(1): 013201. DOI: 10.1088/0256-307X/28/1/013201
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