Possibility of decreasing the minimal measurable thickness of the film by insertion of a high index thin layer between the substrate and the film to be measured is discussed.
文中讨论了利用添加高折射率薄层减小待测薄膜的最小厚度的可能性。
High order guided mode in double metal-cladding waveguide is more sensitive to the refractive index variation of the polymer guiding layer by comparing with low order guided mode.
双面金属包覆波导高阶导模对聚合物薄波导层的折射率变化比低阶导模更敏感。
For certain bandwidth, increasing difference between high and low index and selecting out-layer material with low index are very important for achieving an excellent anti-reflectance performance.
对特定的带宽，增加两种薄膜材料的折射率差和选择尽可能低的最外层折射率对获得优良的减反射特性是非常重要的。
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