Automatic compensation of magnetic field for a rubidium space cold atom clock
Li Lin, Ji Jingwei, Ren Wei, Zhao Xin, Peng Xiangkai, Xiang Jingfeng, Lü Desheng†, 
, Liu Liang‡,
, Liu Liang‡, The magnetic architecture of the SCAC. MOT: magneto-optical trap; S1: inner shield; S2: middle shield; S3: outer shield; C1: C-field coil wound around the Ramsey cavity; C2: coil wound between the state selection cavity and the Ramsey cavity; C3: coil wound around the state selection cavity; C4: coil wound around the MOT; F1: magnetic fluxgate as a sensor for compensation; F2: magnetic fluxgate; ion: ion pumps used to maintain the vacuum.
