[1] [1] SHAO CH L, SONG X F, ZHANG L M, et al.. High power TEA CO2 laser with two wavelength free shift output structure［J］. Opt. Precision Eng., 2011, 19(2): 429-436. (in Chinese)

[2] [2] L Y F, ZHANG X H, TAN H M. 555 nm all solid-state continuous-wave yellow-green laser［J］. Opt. Precision Eng., 2007, 15(5): 674-677. (in Chinese)

[3] [3] FU X H, TAN H M, LI Y M, et al.. All-solid-state single-longitudinal-mode 593.5 nm sum-frequency laser［J］. Opt. Precision Eng., 2007, 15(10): 1469-1473. (in Chinese)

[4] [4] ZHANG CH, LUO ZH Q, WANG J ZH, et al..Dual-wavelength mode-locked Yb-doped fiber laser based on the interaction of graphene and fiber-taper evanescent field ［J］.Chinese Journal of Lasers, 2012, 39(6): 0602006. (in Chinese)

[5] [5] LU T T, WANG J T, HUANG M J, et al.. Simultaneous multi-wavelength pulsed laser in diode-end-pumped Nd∶YLF/Nd∶YAG［J］. Chinese Journal of Lasers, 2012, 39(9): 0902002. (in Chinese)

[6] [6] HAN Y F, LI J ZH, CHEN ZH Q, et al.. Review of research on molybdate laser crystal［J］.Journal of Synthetic Crystals, 2009, 38(1): 190-202. (in Chinese)

[7] [7] KLEVTSOV P V, KMOZEEVA L P. Synthesis of double lithium molybdates of rare earths and yttrium ［J］. Inorganic Materials, 1969, 5(10): 1571-1572.

[8] [8] HUANG X Y, XU Z S, LIN Z B, et al.. Growth and up-conversion emission of Er3+/Yb3+-codoped LiGd(MoO4)2 crystal［J］. J. Crystal Growth, 2005, 276(1-2): 177-181.

[9] [9] HUANG X Y, WANG G F. Growth and spectral characteristics of Yb3+-doped LiGd(MoO4)2 crystal［J］. Chinese J. Struct. Chem., 2010, 29(6): 853-860.

[10] [10] HUANG X Y, ZHAO W, WANG G F, et al.. Polarized spectral analysis of Er3+ ions in Er3+∶LiGd(MoO4)2 crystal ［J］. Journal of Alloys and Compounds, 2011, 509(23): 6578-6584.

[11] [11] KAMINSKII A A, MAYER A A, NIKONOVA N S, et al.. Stimulated emission from the new LiGd(MoO4)2∶Nd3+ crystal laser［J］. Phys. Status Solidi A, 1972, 12(2): K73-K75.

[12] [12] HUANG X Y, WANG G F. Growth, thermal and spectroscopic characteristics of Nd3+∶LiGd(MoO4)2 crystal ［J］. J. Phys. D: Appl. Phys., 2008, 41(22): 225401.