| 3. | Firstly , as an important optical thin film , it has the many good properties of high transparence in visible region , high refractive index , high chemical stability , high strength and high degree of hardness , which applied widely to anti - reflection coatings , interference filters , electrochromism windows and thin film optical waveguides 作为光学膜, tio _ 2薄膜在可见光区透射率高,折射率大,化学稳定性高、强度大、硬度高,是非常重要的光学膜,已被广泛地应用于抗反射涂层、干涉滤波片、电致变色窗和薄膜光波导。 |