Based on PMMA and taking number one near infrared absorbing dye(NIR1) and light-stable reagent as the additives,a near infrared absorbing filter is made by way of dissolving and blending.

• 以聚甲基丙烯酸甲酯(PMMA)为基体,近红外吸收染料(NIR1)、光稳定剂为添加剂,采用溶解共混的方法制得了吸收型近红外滤光片。