The reverse saturation absorption property of indanthrone and its derivatives

Abstract

The syntheses of three nonlinear reverse saturation absorption compounds-Indanthrone and its two derivatives are discussed. The properties of nonlinear reverse saturable absorption of the compounds were studied by using the Z-scanning technique, and the influences of its conjugated structure, on the absorption threshold value and the absorbable light density were discussed based on the reverse saturation absorption principle. The results shows that when the structure’s conjugation property of Indanthrone and its derivatives becomes more powerful, its absorption threshold reduces, the light lowest transmittance increases.

Keywords

indanthrone / reverse saturable absorption / light limit

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