The parameters of the optical slab glass waveguide (refractive index and thickness of thin film) were measured by a new technique for using the prism coupler, i. e., leaky mode method.
由使用棱镜耦合器的一种新技术即漏模法，测量了平板玻璃光波导的参数(薄膜的折射率和厚度)。
The physical properties of glass, e. g., density, refractive index, characteristic temperature etc.
研究了玻璃的密度、折射率、特征温度等物理性质与化学组成的关系。
The correlation between mass density and refractive index is analysed on the basis of a model comprising compact grains (i. e., amorphous or crystalline) and pores filled with air or water.
建立了由微小颗粒(无定形的或结晶的)和填充空气或水的小孔构成的模型，在此基础上分析了质量密度与折射率的相关性。
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