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1·The numerical calculating method of refractive index profile in optical waveguides is discussed.

介绍了光波导折射率分布的数值计算法。

2·The model for the refractive index profile distribution of dispersion compensating fiber(DCF)is proposed in this paper.

提出了色散补偿光纤折射率剖面分布的通用模型。

3·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。

4·These devices can not only accomplish polarized light interference experiment, but also measure the refractivity or refractive index profile of crystal.

经过分析，该装置不仅能完成偏振光的干涉实验，而且可以测定晶体的折射率或折射率分布情况。

5·Compared with optical fiber, optical fiber preform is characterized by its bigger size, so the measurement method for its refractive index profile has uniqueness.

光纤预制棒相对于光纤而言，由于其尺寸大的特点，折射率分布的测量方法具有独特性。

6·The test on its optical transmittance was conducted, and analysis of the refractive index profile of a gradient index (GRIN) rod made of the base glass was performed.

制备了自聚焦透镜的基础玻璃，对其透过率进行了测试，并对由这种玻璃制成的梯度折射率(GRIN)棒的折射率分布进行了分析。

7·This paper establishes, from a geometrical-optics point of view, a theoretical formula for calculating the refractive index profile of a preform by forward scattering.

本文从几何光学出发，建立了利用预制棒的前向散射决定预制棒芯折射率分布的理论公式。

8·Using nanofabrication techniques, the researchers etched tiny holes into the nitride to make a desired pattern, giving the waveguide the cloaking refractive index profile.

通过纳米制备技术研究者在氮化硅中刻蚀出许多空洞以构成所需图案，使得波导具有合适的隐形折射率。

9·The results show that it is a relatively simple and exact method for using transfer function method to deal with the optical waveguides with graded refractive index profile.

结果表明用传递函数方法处理折射率渐变分布的光波导问题，计算相对简单，可以得到精确的数值结果。

10·The theory of nonlinear refractive-index profile measurement of fibers using two-beam interferometric method is introduced, and the result of this experiment is given.

介绍了使用双光束干涉法测量变折射率光纤设备的原理及实验结果。