[1] Auzinsh M, Budker D, Rochester S, et al. Optically Polarized Atoms: Understanding Light-Atom Interactions. Oxford: Oxford University Press, 2010.
[2] Ledbetter M P, Savukov I M, Acosta V M, et al. Physical Review A, 2008, 77(3): 033408.
[3] Budker D, Romalis M. Nature Physics, 2007, 3(4): 227.
[4] Forouhar S, Briggs R M, Frez C, et al. Applied Physics Letters, 2012, 100(3): 031107.
[5] Cui X, Lengignon C, Tao W, et al. Journal of Quantitative Spectroscopy and Radiative Transfer, 2012, 113(11): 1300.
[6] Wang J, Maiorov M, Jeffries J B, et al. Measurement Science and Technology, 2000, 11(11): 1576.
[7] Rui-Feng K, Wen-Qing L, Yu-Jun Z, et al. Acta Physica Sinica, 2005, 54(4): 1927.
[8] Couture A H, Clegg T B, Driehuys B. Journal of Applied Physics, 2008, 104(9): 094912.
[9] Romalis M V, Miron E, Cates G D. Physical Review A, 1997, 56(6): 4569.
[10] Kluttz K A, Averett T D, Wolin B A. Physical Review A, 2013, 87(3): 032516.
[11] Volz U, Schmoranzer H. Physica Scripta, 1996, T65: 48.
