[1] [1] LIN Y T,REN B,ZHAO X Y,et al.Optical dispersion behavior and band gap energy of relaxor ferroelectric 0.92Pb(Mg1/3Nb2/3)O3-0.08PbTiO3 single crystal［J］.Chinese Physics Letters,2009(7):332-334.

[2] [2] WU F,YANG B,SUN E,et al.Optical properties and dispersions of rhombohedral 0.24Pb(In1/2Nb1/2)O3-0.49Pb(Mg1/3Nb2/3)O3-0.27PbTiO3 single domain single crystal［J］.Optical Materials,2013,36(2):342-345.

[3] [3] HAN P,YAN W,CHEN Q.Electro-elasto-optical properties of EEO crystals(PMN-PT based relax ferroelectric crystals) by special modifications［C］//United States:2018 Conference on Lasers and Electro-Optics (CLEO),2018:1-2.

[4] [4] JIAN T,HAN P,CARROLL J F,et al.Growth and improved properties of ternary piezoelectric single crystals in lead indium niobate-lead magnesium niobate-lead titanate system［C］//San Diego,CA,USA:Ultrasonics Symposium,2010.

[5] [5] LI F,JIN L,XU Z,et al.Determination of three-dimensional orientations of ferroelectric single crystals by an improved rotating orientation x-ray diffraction method［J］.Review of Scientific Instruments,2009,80:085106.

[6] [6] YE Z,WANG S,FU X,et al.Thermal annealing and single-domain preparation in tetragonal Pb(In1/2Nb1/2)O3-Pb(Mg1/3Nb2/3)O3-PbTiO3 crystal for electro-optic and non-linear optical applications［J］.Journal of Applied Physics,2018,123:084104.

[7] [7] ZHAO Y,HU Q,LIU X,et al.The effect of machining on domain configuration in ［001］-oriented tetragonal Pb(Mg1/3Nb2/3)O3-PbTiO3 single crystals［J］.Journal of Applied Physics,2018,124(7):173103.

[8] [8] LIU X,ZHAO Y,HU Q,et al.Different domain switching kinetics in tetragonal PMN-PT single crystal studied by in situ observation and current analysis［J］.Journal of the European Ceramic Society,2020,40(8):2922-2928.

[9] [9] ZHANG Guochun,LIU Shanshan,HUANG Lingxiong,et al.Thermal refractive index coefficients of nonlinear optical crystal CsB3O5［J］.Opt Lett,2013,38(10):594-1596

[10] [10] ICHIRO S,DAISUKE G,HAKAMATA M,et al.Accurate measurements of refractive indices of undoped and Mg-doped stoichiometric LiNbO3 and LiTaO3［C］//Munich:CLEO/Europe and EQEC 2011 Conference Digest,2011.