The effective refractive index is 2.0452, which was measured by prism coupler method.
用棱镜耦合法测得了该薄膜的有效折射率为2。 0452。
The effective refractive index can be defined by using the complex transmission coefficient.
利用通过一维光子晶体复透射系数可定义光子晶体的等效折射率。
Resolve dispersion equation and obtain the effective refractive index of cladding using method of numerical calculation.
推导出纤芯、包层、薄膜层、环境层的场分布表达式，利用数值计算求出了包层膜的有效折射率。
For different values of the effective refractive index, the air-guided modes can exist in different forms in part of PBGs.
依据有效折射率的不同，部分带隙中的空气-导模将以不同的形式存在。
After calculating the effective refractive index of the structure, we have verified that the impurity band has a normal dispersion.
通过计算结构的有效折射率，证实了杂质带色散是正常色散。
By data fitting of the experimental results; the effective refractive index changes under different humidity conditions can be reckoned.
通过对实验结果的拟合，推算出不同相对湿度环境下，多孔硅薄膜的有效折射率值。
The spectrum of fiber Bragg grating(FBG) in inhomogeneous strain fields is distorted due to its inhomogeneity of both the periods and the effective refractive index.
当非均匀应变场作用在光纤布拉格光栅（FBG）上时，由于FBG周期和有效折射率在沿FBG长度方向都为变量，所以会导致光谱形状的变化。
It is revealed that the effective refractive index and the DC coupling coefficient, as well as the ac coupling coefficient of odd order modes, will be decreased with the increase in wavelengths.
研究发现包层膜有效折射率、直流耦合系数及奇数阶次的交流耦合系数都随着波长的增加而减小。
Four effective methods on measuring refractive index of wave guide film are given. All of the methods are studied, especially, an experiment is done by the prism coupling method.
本文讨论了四种测量波导薄膜的有效方法，对各种测量方法作了分析研究，并着重对棱镜耦合法进行了实验研究。
The effective index refractive of every mode is 2.0044, 1.7098, measured by prism coupler method.
利用棱镜耦合法测得了该薄膜中每条模所对应的有效折射率为2.0044和1.7098。
It is testified that the method is effective and the measuring accuracy is improved by the experiments of measuring and compensating for refractive index of air.
通过空气折射率测量及补偿实验，证实了该方法的可行性，测量结果经补偿后可使精度提高一个数量级。
It is testified that the method is effective and the measuring accuracy is improved by the experiments of measuring and compensating for refractive index of air.
通过空气折射率测量及补偿实验，证实了该方法的可行性，测量结果经补偿后可使精度提高一个数量级。
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