论文信息 - Optical third‐harmonic generation from poly(2,5‐thienylene vinylene) thin films

Optical third‐harmonic generation from poly(2,5‐thienylene vinylene) thin films

Third‐harmonic generation measurements have been made on poly(2,5‐thienylene vinylene) (PTV) thin films. The third‐order optical susceptibility χ(3) was evaluated to be 3.2×10−11 esu at 1.85 μm wavelength. It was also revealed that in weakly iodine‐doped PTV thin films, χ(3) was almost the same value as that of nondoped films. χ(3) at a shorter wavelength region was expected to be much higher than that obtained in this work due to the resonant effect.

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