Abstract
An novel nonlinear optical alkynyl substituted azobenzene 4-(propargyl methyl ester)-4'-[(N,N'-diethyl) amino] azobenzene was synthesized and characterized by FTIR, 1HNMR. The linear optical properties were investigated by UV-Vis spectra. The nonlinear optical properties and optical limiting properties were investigated using 21 ps pulse at 532nm and 4ns pulse at 532nm, respectively. The results show that this novel nonlinear optical alkynyl substituted azobenzene possesses large third nonlinear optical coefficient and good optical limiting properties.
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