Photorefractive polymers have better photo refractive effect,and polymer intermingling Azo compound and PMMA have nonlinear optical(NLO) and stability.

• 光折变聚合物具有良好的光折变效应,采用以惰性聚合物PMMA为基体,掺杂偶氮化合物染料的光折变聚合物具有较好的光学非线性和稳定性。