| abstract |
(57) [Summary] (Modified) [Structure] The nonlinear optical element of the present invention comprises a compound represented by the following formula. [Wherein R is an alkyl group, an alkenyl group, an alkynyl group, an aryl group, an aralkyl group, an acyl group, a carboxyl group, a carbamoyl group, a benzylthiomethyl group or an alkylthiomethyl group, and X is a hydroxyl group, an alkoxy group or Aralkyloxy, Ar is an aromatic group (specifically 2,4-dinitrophenyl, 4-nitrophenyl, etc.) or a heteroaromatic group (specifically 5-nitro-2-pyridyl, 3- Nitro-2-pyridyl))]. [Effect] The nonlinear optical element of the present invention is remarkably excellent in optical transparency, stability, crystallinity and the like as compared with the organic compound used as a conventional nonlinear optical element material, and easily and stably in a matrix. It is composed of an organic compound that can be oriented and dispersed. Therefore, it is industrially highly practical. |