STUDY ON THE POLING PROPERTIES OF NONLINEAR OPTICAL ACTIVE DERIVATIVE OF POLY (p-HYDROXYSTYRENE):(PS)O-DCV

In this paper, the poling properties of (PS)O-DCV, a derivative of poly (p-hydroxystyrene ), was reported. The investigations showed that the thermochromism correction, which was neglected in the literatures, should be considered in the measurements of order parameter of poled films with electrochromism technique Here, another linear optical method, IR and polarized IR spectra for characterizing of poled films was suggested first time. The bulk second nonlinear optical coefficient d_(33) of poled films could be estimated by measured order parameter semi-qualitatively.     

铕(Ⅲ)的β—双酮—邻菲绕啉混配配合物的合成、晶体结构和红外光谱

合成了1,3-二苯基-4-乙酰吡唑酮-5[Hl)PAP=C_(17)H_(14)N_2O_2]邻菲绕啉[phen=C_(12)H_8N_2]配铕的混配合物Eu(DPAP)_3·(o-phen);并测定、讨论其晶体结构和150—4000cm~(-1)范围的红外光谱。 晶体Eu(DPAP)_3(o-phen)属单斜晶系;空间群为C_2~6h—C2/c;Z=8;晶胞参数a=23.021(15),b=22.988(11),c=23.549(9),β=109.27(4)°,V=11761(10);F(000)=4527.00,μ=11.28cm~(-1)(Mo靶)。     

THE ESTIMATION OF ORDERING DEGREE OF CORONA-POLED NONLINEAR OPTICAL POLYMER FILMS

The investigation of electrochromic effect of corona-poled nonlinear optical polymer films is an effective method for the estimation of poling level and the selection of poling conditions. The poling electric field E_p and orientational order parameter Φ, which are the important parameters to predict d_(33) of poled films, can be calculated by a simple operation from the number of red shift of charge transfer absorption band. The calculated results are in good agreement with the experimental data.