26 May 1999 Degenerate four-wave mixing measurements of the nonlinear response of conjugated silicon-ethynylene polymers
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Abstract
The third-order optical nonlinearity of a series of new conjugated silicon-ethynylene polymers, poly(aryleneethynylenesilylene)s, have been studied by using the degenerate four-wave mixing technique. The fast nonlinear optical susceptibilities of the polymers containing various groups were determined for the solutions in chloroform, tetrahydrofuran and toluene. The electronic and nuclear contributions of the (chi) (3 susceptibility and the thermal nonlinearity of the solutions were separated. The (chi) (3 susceptibility of the polymer containing tetracoordinate Ph2Si groups was found to be comparable with those of the best polymers.
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Oleg Leonidovich Antipov, Andrey V. Afanasiev, George A. Domrachev, William E. Douglas, Daniel M. H. Guy, Larisa G. Klapshina, Alexander Sergeevich Kuzhelev, "Degenerate four-wave mixing measurements of the nonlinear response of conjugated silicon-ethynylene polymers", Proc. SPIE 3610, Laser Material Crystal Growth and Nonlinear Materials and Devices, (26 May 1999); doi: 10.1117/12.349224; https://doi.org/10.1117/12.349224
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KEYWORDS
Polymers

Silicon

Four wave mixing

Polarization

Calcium

Laser beam diagnostics

Molecular interactions

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