Azo dye is a new class of optical disc medium with high-density recording performance for its remarkable optical and thermal properties within short wavelength region.

• 偶氮染料在短波区由于具有优良的的光学和热学性质以及光致顺反异构性，既是一类新型高密度可录光盘存储介质，又是一类可望作为可擦写的光盘存储介质。