Low refractive index and high dispersion material which can produce a bonded-multilayer DOE having an excellent optical performance is obtained, and the optical member using this is obtained. The resin precursor for optical materials obtained through the addition reaction of the composite containing a di (meth) acrylate shown in the following Chemical Expression 1.
where, R═H or CH3, and m+n=1 to 10.
获得了低折射率和高色散材料,这种材料可以生成具有优异光学性能的粘合多层 DOE,并获得了使用这种材料的光学部件。光学材料用
树脂前体是通过对含有如下
化学式 1 所示二(甲基)
丙烯酸酯的复合材料进行加成反应而得到的。
其中,R═H 或
CH3,m+n=1 至 10。