[1] Khoo I C,Wu S T.Optics and Nonlinear Optics of Liquid Crystals.Singapore:World Scientific,1993

[2] Wu S T,Yang D K. Reflective liquid crystal display.Chichester:Wiley-SID,2001

[3] Schad Hp.The rotational viscosity of nematic liquid crystal mixtures at low temperatures.J Appl Phys,1983,54 (9): 4994～4997

[4] Schmiedel H, Stannarius R,Grigutsch M. Determination of viscoelastic coefficients from the optical transmission of a planar liquid crystal cell with low-frequency modulated voltage. J Appl Phys, 1993,74(10): 6053～6057

[5] Papadopoulos P L,Zenginoglou H M,Kosmopoulos J A.Optical measurement of the director relaxation time in a periodically reoriented nematic liquid crystal.J Appl Phys,1999,86(6): 3042～3047

[6] Zakharov A V,Komolkin A V,Maliniak A.Rotational viscosity in a nematic liquid crystals: theoretical treatment and molecular dynamics simulation. Phys Rev,1999, E59(6): 6802～6807

[7] Zakharov A V,Dong R Y.Rotational viscosity,dynamic phenomena and dielectric properties in a long -chain liquid crystals.Phys Rev, 2001, E63(11): 11704～11708

[8] Martins A F,Esnault P,Volino F.Measurement of the viscoelastic coefficients of main chain nematic polymer by an NMR technique.Phys Rev Lett,1986,57(14): 1745～1748

[9] Keller P A.Electronic display measurement.New York: Wiley & Sons,1997

[10] Wu S T,Wu C S.Experimental confirmation of the osipov-terentjev theory on the viscosity of nematic liquid crystals.Phys Rev,1990,A42(4): 2219～2228

[11] Dde Jeu W H.Physical Properties of Liquid Crystalline Materials.New York: Gordon and Breach,1980

[12] Wu S T,Finkenzeller U,Reiffenrath V.Physical properties of diphenyldiacethlenic liquid crystals.J Appl Phys,1989, 65(11): 4372～4376