| 1. | It is often convenient to use an "effective guide index. "
采用“波导有效折射率”是方便的。 |
| 2. | The function n(x, y)is known as the refractive index profile .
函数n（x，y）称为折射率分布。 |
| 3. | The refractive index n(x) varies gradually over the cross-section of the guide .
折射率n（x）在波导截面内是逐渐变化的。 |
| 4. | Optical interference takes place in a thin transparent wedge of refractive index m .
光的干涉发生在折射率为m的薄的透明的楔形物里。 |
| 5. | A planar film of refractive index nf is sandwiched between a substrate and a cover material .
折射率为nf的平面薄膜夹在感光衬底和覆盖层之间。 |
| 6. | The index of refraction of most of the common glasses used in optical instruments lies between 1. 46 and 1. 96 .
光学仪器中最常用的玻璃其折射率多在146到196之间。 |
| 7. | typical differences between the indices of the film and the substrate range from to .
薄膜和衬底的折射率之间的典型的差值分布在到的范围内。 |
| 8. | When we were discussing the index of refraction, we saw that an incoming beam of light will make the atoms radiate again .
在讨论折射率时，我们曾看到入射光束使原子再辐射。 |
| 9. | Other properties strongly influencing the light output are the transparency and the index of refraction of the scintillator .
强烈影响光输出的其他特性有：闪光体的透明度和折射率。 |
| 10. | an inconvenience of prism couplers is that the prism material must have a high refractive index .
棱镜耦合器的一个不方便的地方是棱镜材料必须有较高的折射率。 |
