A transportable optical lattice clock at the National Time Service Center

Kong De-Huan^{1, 2}, Wang Zhi-Hui³, Guo Feng^{1, 2}, Zhang Qiang^{1, 2}, Lu Xiao-Tong^{1, 2}, Wang Ye-Bing¹, Chang Hong^{1, 2, †}

(a) Technical drawing of the design of the vacuum system. (b) Layout of the vacuum system. (c) Experimental arrangement of all laser beams. EMCCD: electron multiplying charge-coupled device, PMT: photomultiplier tube.