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16 December 1993 Electro-optic measurements in a nematic side-chain homopolymer during poling
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To induce macroscopic second-order nonlinear optical properties in polymers containing polar, hyperpolarizable groups like DANS or MONS, these groups have to be polarly aligned (poled) with a strong electric field at the glass transition temperature. Simple molecular statistical models, which neglect dipole-dipole interaction, predict an enhancement of the electric field induced polar order by axial order. Since axial order exists spontaneously in liquid crystals, the introduction of liquid crystalline properties into the poled polymer has been considered as advantageous. The presumed advantage for poling from axial order, in particular from liquid crystalline axial order, is discussed in the light of more recent theoretical calculations and experimental results.
© (1993) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Cornelis P.J.M. van der Vorst and Stephen J. Picken "Electro-optic measurements in a nematic side-chain homopolymer during poling", Proc. SPIE 2025, Nonlinear Optical Properties of Organic Materials VI, (16 December 1993);

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