Third-order nonlinear optical properties of copoly(2,3,5,6-tetrafluoro-1,4-phenylenevinylene-2,5-dialkoxy-1,4-phenylenevinylene)s: a novel class of push-pull substituted PPVs

Gianluca M. Farinola; Tiziana Cassano; Raffaele Tommasi; Francesco Babudri; Antonio Cardone; Francesco Naso

doi:10.1117/12.449829

7 December 2001 Third-order nonlinear optical properties of copoly(2,3,5,6-tetrafluoro-1,4-phenylenevinylene-2,5- dialkoxy-1,4-phenylenevinylene)s: a novel class of push-pull substituted PPVs

Gianluca M. Farinola, Tiziana Cassano, Raffaele Tommasi, Francesco Babudri, Antonio Cardone, Francesco Naso

Author Affiliations +

Proceedings Volume 4461, Linear and Nonlinear Optics of Organic Materials; (2001) https://doi.org/10.1117/12.449829
Event: International Symposium on Optical Science and Technology, 2001, San Diego, CA, United States

Abstract

A series of copoly(2,3,5,6-tetrafluoro-1,4-phenylenevinylene-2,5-dioctyl oxy-1,4-phenylenevinylene)s containing variable ratios of tetrafluorophenylenevinylene and dialkoxyphenylenevinylene repeating units has been synthesized via the Stille cross-coupling reaction in order to investigate the influence on the (chi) ⁽³) of the simultaneous presence of electron-deficient and electron-rich aromatic monomers in the PPV backbone. Third-order nonlinear optical properties of the resulting materials have been studied in chloroform solutions at (lambda) =1064 nm using the picosecond Z-scan technique. The nonlinear refractive index has been found to be negative, strongly dependent on the copolymer composition, and as high as (-10+/- 2)x10^-12cm²/W.

Citation Download Citation

Gianluca M. Farinola, Tiziana Cassano, Raffaele Tommasi, Francesco Babudri, Antonio Cardone, and Francesco Naso "Third-order nonlinear optical properties of copoly(2,3,5,6-tetrafluoro-1,4-phenylenevinylene-2,5- dialkoxy-1,4-phenylenevinylene)s: a novel class of push-pull substituted PPVs", Proc. SPIE 4461, Linear and Nonlinear Optics of Organic Materials, (7 December 2001); https://doi.org/10.1117/12.449829

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