Optical frequency standard based on a single 40Ca+
نویسندگان
چکیده
منابع مشابه
Absolute frequency measurement of the neutral 40Ca optical frequency standard at 657 nm based on microkelvin atoms
We report an absolute frequency measurement of the optical clock transition at 657 nm in 40Ca with a relative uncertainty of 7.5 x 10-15 , one of the most accurate frequency measurements of a neutral atom optical transition to date. The frequency (455986240494135.8 ± 3.4) Hz was measured by stabilizing a diode laser system to a spectroscopic signal derived from an ensemble of 106 atoms cooled i...
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ژورنال
عنوان ژورنال: Chinese Science Bulletin
سال: 2013
ISSN: 1001-6538,1861-9541
DOI: 10.1007/s11434-012-5646-5