Cooling and Crystallization of Trapped ^(113)Cd+ Ions for Atomic Clock  

作　　者：WANG Shi-Guang ZHANG Jian-Wei MIAO Kai WANG Zheng-Bo WANG Li-Jun 王时光;张建伟;缪凯;王正博;王力军(Joint Institute for Measurement Science,Tsinghua University,Beijing 100084;Department of Physics,Tsinghua University,Beijing 100084;Department of Precision Instruments and Mechanology,Tsinghua University,Beijing 100084)

机构地区：[1]Joint Institute for Measurement Science,Tsinghua University,Beijing 100084 [2]Department of Physics,Tsinghua University,Beijing 100084 [3]Department of Precision Instruments and Mechanology,Tsinghua University,Beijing 100084

出　　处：《Chinese Physics Letters》2013年第1期71-74,共4页中国物理快报（英文版）

基　　金：Supported by the National Basic Research Program of China under Grant No 2010CB922901;Tsinghua University Scientific Research Initiative Program(No 20091081474).

摘　　要：We report recent experimental progress toward a trapped ^(113)Cd+ion microwave frequency standard.With laser cooling,a large number of trapped cadmium ions are cooled to crystallization and the temperature of the ion crystal is measured to be 16±3 mK.The second order Doppler frequency shift,a main limiting factor of the atomic clock's performance,is estimated to be less than 1×10^(-16).

关 键 词：LIMITING microwave CRYSTALLIZATION 

分 类 号：TN2[电子电信—物理电子学]