Refractive index field of atmosphere distributes homogeneously due to the difference of pressure, temperature, relative humidity and carbon dioxide content in the atmospheric optics.
在大气光学成像领域，由于大气中压强、温度、相对湿度和二氧化碳含量的不同，导致大气折射率场呈非均匀分布。
Based on the theories of thermo-optical effect and elastic-optical effect, the refractive index field of the dome was numerically computed with the result of the finite element analysis.
利用有限元分析结果，根据热光效应和弹光效应理论，对气动热环境下红外光学头罩的折射率场进行数值计算。
Two methods of measurement of the refractive index profile in optical fibers: interference microscope method and near field method are evaluated.
对两种测量光纤折射半剖面的方法：干涉显微镜法和近区场法，进行了评价。
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