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Automatic compensation of magnetic field for a rubidium space cold atom clock
Li L(李琳); Ji JW(吉经纬); Ren W(任伟); Zhao X(赵鑫); Peng XK(彭向凯); Xiang JF(项静峰); Lv DS(吕德胜); Liu L(刘亮); dslv@siom.ac.cn; liang.liu@siom.ac.cn
2016
发表期刊Chin. Phys. B
卷号25期号:7
摘要When the cold atom clock operates in microgravity around the near-earth orbit, its performance will be affected by the fluctuation of magnetic field. A strategy is proposed to suppress the fluctuation of magnetic field by additional coils, whose current is changed accordingly to compensate the magnetic fluctuation by the linear and incremental compensation. The flight model of the cold atom clock is tested in a simulated orbital magnetic environment and the magnetic field fluctuation in the Ramsey cavity is reduced from 17 nT to 2 nT, which implied the uncertainty due to the second order Zeeman shift is reduced to be less than 2 x 10(-16). In addition, utilizing the compensation, the magnetic field in the trapping zone can be suppressed from 7.5 mu T to less than 0.3 mu T to meet the magnetic field requirement of polarization gradients cooling of atoms.
文章类型Article
部门归属量光
DOI10.1088/1674-1056/25/7/073201
资助者Ministry of Science and Technology of China [2013YQ09094304]; Youth Innovation Promotion Association, Chinese Academy of Sciences; National Natural Science Foundation of China [11034008, 11274324] ; Ministry of Science and Technology of China [2013YQ09094304]; Youth Innovation Promotion Association, Chinese Academy of Sciences; National Natural Science Foundation of China [11034008, 11274324] ; Ministry of Science and Technology of China [2013YQ09094304]; Youth Innovation Promotion Association, Chinese Academy of Sciences; National Natural Science Foundation of China [11034008, 11274324] ; Ministry of Science and Technology of China [2013YQ09094304]; Youth Innovation Promotion Association, Chinese Academy of Sciences; National Natural Science Foundation of China [11034008, 11274324]
收录类别SCI
资助者Ministry of Science and Technology of China [2013YQ09094304]; Youth Innovation Promotion Association, Chinese Academy of Sciences; National Natural Science Foundation of China [11034008, 11274324] ; Ministry of Science and Technology of China [2013YQ09094304]; Youth Innovation Promotion Association, Chinese Academy of Sciences; National Natural Science Foundation of China [11034008, 11274324] ; Ministry of Science and Technology of China [2013YQ09094304]; Youth Innovation Promotion Association, Chinese Academy of Sciences; National Natural Science Foundation of China [11034008, 11274324] ; Ministry of Science and Technology of China [2013YQ09094304]; Youth Innovation Promotion Association, Chinese Academy of Sciences; National Natural Science Foundation of China [11034008, 11274324]
WOS记录号WOS:000384225800013
引用统计
文献类型期刊论文
条目标识符http://ir.siom.ac.cn/handle/181231/27765
专题量子光学重点实验室
通讯作者dslv@siom.ac.cn; liang.liu@siom.ac.cn
作者单位中国科学院上海光学精密机械研究所
推荐引用方式
GB/T 7714
Li L,Ji JW,Ren W,et al. Automatic compensation of magnetic field for a rubidium space cold atom clock[J]. Chin. Phys. B,2016,25(7).
APA 李琳.,吉经纬.,任伟.,赵鑫.,彭向凯.,...&liang.liu@siom.ac.cn.(2016).Automatic compensation of magnetic field for a rubidium space cold atom clock.Chin. Phys. B,25(7).
MLA 李琳,et al."Automatic compensation of magnetic field for a rubidium space cold atom clock".Chin. Phys. B 25.7(2016).
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