Third-order nonlinear optical properties and two-photon absorption in polymers doped withp-phenyl sydnone

摘要: We report the measurements of third-order susceptibilities and two-photon absorption in three different polymers doped with p-phenyl sydnone moiety viz., 2-benzylhydrazono-5-(3-p-tolylsydnone-4-yl)1,3,4,-thiadiazine, which is recently synthesized characterized, prospective reaching a good compromise between processability high nonlinear optical properties. The were done using nano second Z-scan at 532nm. spectra reveal large negative refraction coefficient n2 order 10−14 cm2/W β, determined to be cm/GW. cross section 10−46 cm4 s/photon. molecular second-order hyperpolarizability PMMA matrix was calculated 1.47 × 10−31 esu, comparable stilbazolieum derivatives, well-known class materials for photonics biophotonics applications. chromophore shows its power limiting behavior all polymer matrices. All these results suggest that this has potential application all-optical switching devices. © 2008 Wiley Periodicals, Inc. J Appl Polym Sci,