Abstract
Abstract Two new organotellurium compounds containing azomethine and azo groups, [2-(2-hydroxynaphthylazo)phenyl][2-(2-methoxybenzylideneamino)-5-methylphenyl]tellurium dibromide (P1) and [2-(2-hydroxynaphthylazo)-5-nitrophenyl][2-(2-methoxy benzylideneamino)-5-methyl phenyl]tellurium dibromide (P2) were synthesized and doped in polyvinylprodidone (PVP) matrix. The nonlinear optical (NLO) properties of these compounds and doped polymer were studied using Z-scan technique at 532 nm. The Z-scan results reveal that the sample solutions and films exhibit self-defocusing nonlinearity. The P2/PVP solutions investigated here exhibit good optical power limiting.
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