20 April 2006 Novel second-order nonlinear optical polymer materials containing indandione derivativatives as a chromophore
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Abstract
Second order non linear optical (NLO) properties of sPMMA based host-guest systems containing eight dimethylaminobenzylidene -1, 3 - indandione (DMABI) related chromophores have been investigated by means of quantum chemical calculations and SHG experimental characterization. Ab initio calculations with basis set 6-31G were used for molecular geometry determination as well as in the calculations of molecular hyperpolarizability by FF approach. Influence of the chromophore concentration on the host-guest film NLO performance was obtained by SHG Maker fringe experiments. The highest value of d53233 =80 pm/V (frequency corrected value d033 =12 pm/V) at chromophore concentration 15 %wt have been recorded for tret-butyl substituted DMABI chromophore.
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Martins Rutkis, Aivars Vembris, Vismants Zauls, Andrejs Tokmakovs, Egils Fonavs, Andrejs Jurgis, Valdis Kampars, "Novel second-order nonlinear optical polymer materials containing indandione derivativatives as a chromophore", Proc. SPIE 6192, Organic Optoelectronics and Photonics II, 61922Q (20 April 2006); doi: 10.1117/12.661937; https://doi.org/10.1117/12.661937
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