| [1] | HANSCH T W, SCHAWLOW A L. Cooling of gases by laser radiation[J]. Optics Communications, 1975, 13(1):68-69. doi: 10.1016/0030-4018(75)90159-5 |
| [2] | CHRISTENSEN B T R, HENRIKSEN M R, SCHAFFER S A, et al. Non-linear spectroscopy of Sr atoms in an optical cavity for laser stabilization[J]. Physical Review, 2015, A92(5):053820. |
| [3] | DAREAU A, SCHOLL M, BEAUFILS Q, et al. Doppler spectroscopy of an ytterbium bose-einstein condensate on the clock transition[J]. Physical Review, 2015, A91(2):023626. |
| [4] | GERTIS J, FRIESDORF M, RIOFRIO C A, et al. Estimating strong correlations in optical lattices[J]. Physical Review, 2016, A94(5):053628. |
| [5] | WEINER J, BAGNATO V, ZILIO S, et al. Experiments and theory in cold and ultracold collisions[J]. Reviews of Modern Physics, 1999, 71(1):1-85. |
| [6] | USHIJIMA I, TAKAMOTO M, DAS M, et al. Cryogenic optical lattice clocks[J]. Nature Photonics, 2015, 9:185-189. doi: 10.1038/nphoton.2015.5 |
| [7] | LI Y Q, XIONG X M, ZHANG W T. 3-D analysis of laser-cooling Cr atoms[J]. Laser Technology, 2012, 36(6):788-792(in Chinese). |
| [8] | WILLIAM D P. Laser cooling and trapping of neutral atoms[J]. Reviews of Modern Physics, 1998, 70(3):721-741. doi: 10.1103/RevModPhys.70.721 |
| [9] | WANG Y Q. Laser cooling and trapping of atoms[M]. Beijing:Peking University Press, 2007:336-383(in Chinese). |
| [10] | BALYKIN V I, LETOKHOV V S, MUSHIN V I. Observation of the cooling of free sodium atoms in a resonance laser field with a scanning frequency[J]. JETP Letters, 1979, 29(10):560-564. |
| [11] | CHU S, HOLLBERG L, BJORKHOLM J E, et al. Three-dimensional viscous confinement and cooling of atoms by resonance radiation pressure[J]. Physical Review Letters, 1985, 55(1):48-51. doi: 10.1103/PhysRevLett.55.48 |
| [12] | IAN N. Laser cooling and trapping of neutral calcium atoms[D]. Glasgow, UK: University of Strathclyde, 2009: 9-23. |
| [13] | ZHOU M, XU X Y. Advances in the precision spectroscopy of cold ytterbium atoms[J]. Physcis, 2016, 45(7):431-440(in Ch-inese). |
| [14] | LIU H, GAO F, WANG Y B, et al. Precision frequency measurement of 1S0-3P1 intercombination lines of Sr isotopes[J]. Chinese Physics, 2015, B24(1):013201. |
| [15] | SORRENTION F, FERRARI G, POLI N, et al. Laser cooling and trapping of atomic strontium for ultracold atoms physics, high-precision spectroscopy and quantum sensors[J]. Modern Physics Letters, 2006, B20(21):1287-1320. |
| [16] | MICKELSON P G, MARTINEZ de ESCOBAR Y N, ANZEL P, et al. Repumping and spectroscopy of laser-cooled Sr atoms using the (5s5p)3P2-(5s4d)3D2 transition[J]. Journal of Physics, 2009, B42(23):235001. |
| [17] | WANG S K, WANG Q, LIN Y G, et al. Cooling and Trapping 88Sr atoms with 461nm laser[J]. Chinese Physics Letters, 2009, 26(9):093202. doi: 10.1088/0256-307X/26/9/093202 |
| [18] | TANNOUDJI C C, ODELIN D G. Advances in atomic physics[M]. Singapore City, Singapore:World Scientific Publishing Co.Pte.Ltd., 2011:243-267. |
| [19] | THIERRY C, JEAN-LOUIS M, ROBIN K, et al. Extra-heating mechanism in Doppler cooling experiments[J]. Journal of the Optical Society of America, 2005, B22(9):1819-1828. |