First, the relation between the dispersion of the fiber and the propagation constant and equivalent refractive index is presented.
文章先给出了光纤色散与光纤传播常数及等效折射率的关系。
The retrieved size distribution will have a large bias if the equivalent refractive index is employed in light scattering techniques.
因而对多分散系外混合气溶胶粒子系统如使用等效折射率，则由光散射技术测定的谱分布与实际谱分布有很大的出入。
The principle and calculation method to design short-wavelength pass filters with a concept of equivalent refractive index is presented in this paper.
详细介绍用等效折射率概念设计短波通滤光片的原理和计算方法。
The concept of equivalent refractive index of cladding is introduced from the equivalent refractive index method, which can rule out the false solutions of FEM.
引入了等效折射率法中的包层等效折射率的概念，排除了有限元法计算导致的伪解。
Then, the dispersion of the multi-clad fiber is obtained by solving the propagation constant and the equivalent refractive index of single-clad fiber which is equal to multi-clad fiber.
通过将多包层光纤等效为阶跃光纤，求等效阶跃光纤的传播常数与等效折射率，求得多包层光纤的色散。
Based on the corneal data, the effects of equivalent refractive index and error in radius of curvature on the corneal vergence measurement after refractive surgery are studied theoretically.
在角膜数据的基础上，从理论上分析了等效折射率和曲率半径测量误差对屈光手术后角膜光焦度测量的影响。
The result shows that eye with gradient-refractive-index-lens and that with shell-lens can get equivalent spherical aberration results.
具有层状结构晶状体的眼睛和具有折射率连续变化的晶状体的眼睛能够给出等价的球差结果。
The result shows that eye with gradient-refractive-index-lens and that with shell-lens can get equivalent spherical aberration results.
具有层状结构晶状体的眼睛和具有折射率连续变化的晶状体的眼睛能够给出等价的球差结果。
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