New heteroaromatic polymers for third-order nonlinear optics
1992; Institution of Engineering and Technology; Volume: 28; Issue: 7 Linguagem: Inglês
10.1049/el
ISSN1350-911X
AutoresTakashi Kurihara, T. Kaino, Zengcheng Zhou, Takaki Kanbara, Takeshi Yamamoto,
Tópico(s)Photochemistry and Electron Transfer Studies
ResumoMeasurements of optical third-harmonic generation have been made on novel heteroaromatic π-conjugated polymer thin films. The third-order nonlinear optical susceptibility x(3) of poly(thiophene-2,5-diyl pyridine-2,5-diyl) (PTPY), which has the strongest intramolecular charge transfer among the polymers discussed in this work, is 1.5 × 10-10 esu at the near three-photon resonance wavelength.
Referência(s)