Nonlinear-Optical Properties of Polyfluorotriphenylpyrazoline-Dicyanoisophorone Dyes in a Polycarbonate Matrix

Results of experimental works on studying concentration dependences and temporal and thermal stability of the quadratic response of guest–host materials based on polycarbonate and original synthesized dyes are presented. It is shown that chromophore modifications by dendron lateral substituents significantly improve solubility, which allows one to create materials with a high content of optically active particles. The materials possess high temporal and thermal stability and exhibit d_33 of up to 80 pm/V at a chromophore density of 2.5× 10^20 cm ^-3 .