Cubic Nonlinear Optical Properties of n-Conjugated Polymers from Reflection-Mode Measurements
We describe experimental studies of cubic nonlinear optical properties performed in reflection mode on thin films of polyaniline. It is shown that pump-probe and degenerate four-wave mixing reflection techniques are sensitive enough to obtain readily detectable nonlinear optical signals from polyaniline with femtosecond pulses at light intensities on the order of 100 GW/cm 2. The results are compared with previous studies indicating that nonlinear coefficients of polyaniline are in the range of...[Show more]
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|Source:||Molecular Crystals and Liquid Crystals|
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