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Revista mexicana de física
versión impresa ISSN 0035-001X
Resumen
MORALES-SAAVEDRA, O.G.; GARCIA, T.; CAICEDO, C. y RIVERA, E. Non linear optical properties of novel amphiphilic azo-polymers bearing well defined oligo (ethylene glycol) spacers. Rev. mex. fis. [online]. 2010, vol.56, n.6, pp.449-455. ISSN 0035-001X.
Non linear optical (NLO) properties of a new series of pnPEGMAN polymers: p2PEGMAN or Poly[(E)-2-(2-(methyl(4-((4-nitrophenyl) diazenyl)phenyl) amino)ethoxy)ethyl methacrylate], p3PEGMAN or Poly[(E)-2-(2-(2-(methyl(4-((4-nitrophenyl)diazenyl)phenyl) amino) ethoxy)ethoxy)ethyl methacrylate], p4PEGMAN or Poly[(E)-2-(4-((4-nitrophenyl)diazenyl)phenyl)-5,8,11-trioxa-2-azatridecan-13-yl methacrylate] and p6PEGMAN or Poly[(E)-2-(4-((4-nitrophenyl) diazenyl) phenyl) -5,8,11,14,17-pentaoxa -2-azanonadecan -19-yl methacrylate] were studied by the Z-Scan technique. These azo-polymers exhibited high χ(3) NLO-responses with excitation below the resonance absorption region of the polymers and the evaluated n2-values are in the order of 10-4 to 10-5 esu, with negative sign for all the studied materials.
Palabras llave : Polymers; azobenzene; poly(ethylene glycol); optical properties.