Abstract:

The use of electrospinning technology to prepare organic nonlinear optical nanofibers can effectively control the molecular orientation of nonlinear optical materials, the chromophores can achieve optimized arrangement similar to that of the organic single crystal showing macroscopic second-order nonlinear optics similar to pure chromophore molecules quality. In this paper, nonlinear optical organic salts were doped in polyvinylpyrrolidone to prepare nanofiber films with anisotropic structure, smooth surface and orderly arrangement. Kurtz nonlinear tests reflect that the second harmonic signal intensities are enhanced in a proportional manner with the increase of film thickness.

Key words: organic nonlinearity optical materials, electrospinning, well-aligned nanofiber