[1] [1] KOLKOWITZ S, BROMLEY S L, BOTHWELL T, et al.. Spin-orbit-coupled fermions in an optical lattice clock ［J］. Nature, 2017, 542(7639): 66-70.

[2] [2] BLOOM B J, NICHOLSON T L, WILLIAMS J R, et al.. An optical lattice clock with accuracy and stability at the 10(-18) level ［J］. Nature. 2014, 506(7486): 71-75.

[3] [3] HINKLEY N, SHERMAN J A, PHILLIPS N B, et al.. An atomic clock with 10(-18) instability ［J］. Science, 2013, 341(6151): 1215-1218.

[4] [4] NICHOLSON T L, CAMPBELL S L, HUTSON R B, et al.. Systematic evaluation of an atomic clock at 2×10-18 total uncertainty ［J］. Nature Communication, 2015, 6: 6896.

[5] [5] USHIJIMA I, TAKAMOTO M, DAS M, et al.. Cryogenic optical lattice clocks ［J］. Nature Photonics, 2015, 9(3): 185-189.

[6] [6] BLATT S, LUDLOW A D, CAMPBELL G K, et al.. New Limits on Coupling of Fundamental Constants to Gravity Using 87Sr Optical Lattice Clocks ［J］. Physical Review Letters, 2008, 100(14): 140801.

[7] [7] GODUN R M, NISBET-JONES P B R, JONES J M, et al.. Frequency Ratio of Two Optical Clock Transitions in 171Yb+ and Constraints on the Time Variation of Fundamental Constants ［J］. Physical Review Letters, 2014, 113(21): 210801.

[8] [8] HUNTEMANN N, LIPPHARDT B, TAMM C, et al.. Improved Limit on a Temporal Variation of mp / me from Comparisons Yb+ and Cs Atomic Clocks ［J］. Physical Review Letters, 2014, 113(21): 210802.

[9] [9] KOLKOWITZ S, PIKOVSKI I, LANGELLIER N, et al.. Gravitational wave detection with optical lattice atomic clocks ［J］. Physical Review D, 2016, 94(12): 124043.

[10] [10] DEREVIANKO A, POSPELOV M. Hunting for topological dark matter with atomic clocks ［J］. Nature Physics, 2014, 10(12): 933-936.

[11] [11] LUDLOW A D, BOYD M M, YE J, et al.. Optical atomic clocks ［J］. Reviews of Modern Physics, 2015, 87(2): 637-701.

[12] [12] TRAVIS J, KRINF J. LabVIEW for Everyone ［M］. 3rd edition. QIAO R P Transl. Beijing: Publishing House of Electronics Industry Press, 2011, 111-310. (in Chinese)

[13] [13] REN J, LIU H LU B Q, et al.. Program control in transition observation of strontium optical lattice clock ［J］. Editorial Office of Optics and Precision Engineer, 2016, 24(1): 50-58. (in Chinese)

[14] [14] METCALF H J, VAN DER STRATEN P. Laser cooling and trapping of neutral atoms ［J］. The Optics Encyclopedia, 2007.

[15] [15] OVSIANNIKOV VD, PAL’CHIKOV VG, TAICHENACHEV AV, et al.. Magic-wave-induced 1S0-3P0 transition in even isotopes of alkaline-earth-metal-like atoms ［J］. Physical Review A, 2007 75(2): 020501.

[16] [16] YU D, CHEN J. Optical Clock with Millihertz Linewidth Based on a Phase-Matching Effect ［J］. Physical Review Letters, 2007, 98(5): 050801.

[17] [17] CAMPBELL G K, LUDLOW A D, BLATT S, et al.. The absolute frequency of the 87Sr optical clock transition ［J］. Metrologia, 2008, 45(5): 539-548.

[18] [18] RAAB E L, PRENTISS M, CABLE A, et al.. Trapping of neutral sodium atoms with radiation pressure［J］. Physical Review Letters, 1987, 59(23), 2631-2634.

[19] [19] REN J, TIAN X, LIU H, et al.. The system of the repumping lasers’ frequency stabilization in strontium optical clock［J］. Acta Sinica Quantum Optica, 2013,19(2): 106-115. (in Chinese)

[20] [20] GAO F, CHANG H, WANG X L, et al.. The theoretical and experimental investigation of repumping laser impact on cooling and trapping of strontium atoms［J］. Acta Physica Sinica, 2011,60(5): 133-139. (in Chinese)

[21] [21] MUKAIYAMA T, KATORI H, IDO T, et al.. Recoil-limited laser cooling of 87Sr atoms near the Fermi temperature［J］. Physical Review Letters, 2003, 90(11): 113002.

[22] [22] TIAN X, WANG Y B, LU B Q, et al.. Experimental research on loading strontium bosons into the optical lattice operating at the “magic” wavelength ［J］. Acta Physica Sinica, 2015, 64(13): 40-47. (in Chinese)

[23] [23] AKATSUKA T, TAKAMOTO M, KATORI H. Optical lattice clocks with non-interacting bosons and fermions ［J］. Nature Physics, 2008, 4(12): 954-959.

[24] [24] LUDLOW A D, HUANG X, NOTCUTT M, et al.. Compact, thermal-noise-limited optical cavity for diode laser stabilization at 1×10-15 ［J］. Optics letters, 2007, 32(6): 641-3.

[25] [25] XU Q, LIU H, LU B Q, et al.. Observation of 1S0-3P0 transition of bosonic strontium in the Lamb-Dicke regime ［J］. Chinese Optics Letters, 2015, 13(10): 100201-100205.

[26] [26] LU B Q, WANG Y B, HAN J X, et al.. Exploration of the magnetic-field-induced $5s5p$ 3P0-5s2 1S0 forbidden transition in bosonic Sr atom ［J］. Journal of Physics Communications, 2017, 1(5): 055017.

[27] [27] BOYD M M, ZELEVINSKY T, LUDLOW A D, et al.. Nuclear spin effects in optical lattice clocks［J］. Physical Review A, 2007, 76(2): 022510.

[28] [28] GUO Y, YIN M, XU Q F, et al.. Interrogation of spin polarized clock transition in strontium optical lattice clock ［J］. Acta Physica Sinica, 2018, 67(7): 070601. (in Chinese)

[29] [29] WANG Y B, YIN M J, REN J, et al.. Strontium optical lattice clock at the National Time Service Center ［J］. Chin Phys B, 2018, 27(2): 023701.