折射系数

By using a set of simple formula and calculating method with the rotating of coordinate axis, this paper gives the concrete expression of the reflectance and transmissivity of monopodium with discretional optical axis.

研究了光从各向同性介质入射至单轴晶体界面上时反射和折射情况，采用一套较为简单的公式和计算方法，再加上坐标轴的旋转，从而给出了在晶体光轴取向任意的一般情况下，光在晶体界面上的透射、反射系数的具体表达式。

Simulation results show that the birefringence of the PCF can be greatly improved under optimized parameters.

模拟结果表明，光子晶体光纤的双折射可以在优化的参数条件下获得很大提高，光子晶体光纤的非线性系数也可以同时得到提高。

These results show that diffusion impacts the refraction law and refractive index.

这些结果表明扩散系数对折射规律和折射率都有影响。

However, the refraction of plane wave in reaction-diffusion system obeys Snell's law only for proper diffusion coefficients and system parameters.

在二维复金兹堡-朗道方程描述的反应扩散振荡系统中，就扩散对平面波折射率的影响进行了数值研究，从Snell定律出发导出了折射率的解析表达式，数值和理论结果表明：在纯扩散情况下，平面波的折射满足Snell折射定律，扩散只影响着平面波折射率的大小；在同时存在反应扩散情况下，只有在适当的扩散系数和系统参数下，平面波的折射才满足Snell折射定律。

Considering the thermal-induced birefringence, the g parameter coordinate system is analyzed, the formulas of radially polarized and azimuthally polarized focal lengths in three different cavity structures are deduced and the proper cavity structure to get the thermal focal length coefficients is presented.

考虑热致双折射效应，利用等效谐振腔的g参数坐标图进行分析，推导了三种不同腔型结构下径向热透镜焦距和切向热透镜焦距系数的计算方法，分析并得出了测量热透镜焦距系数所需的腔型结构。

The relationship between electric components of incident and refracted waves is expressed by transmission coefficients from Fresnel equations.

其中， 入射光和折射光电场分量之间的关系用菲涅耳方程中的透射系数表示。

This polywater, made by ex posing very fine glass capillanes to a saturated atmosphere of water vapor, was very viscous, dense and had a refractive index similar to that of glass.

通过将非常纤细的玻璃毛细管放在饱和的水蒸气中产生的这种&聚合水&的粘滞性和密度都很大，其折射系数与玻璃的相似。

Within the coupled resonant frequency region, the negative index of refraction can be achieved.

在负的磁导率和负的介电常数重叠的频率区域，能得到一个负的折射系数。

This brought fixed cost, but it also is meant at the same time use a source to won't make you singlehanded assume a problem.

这带来了一定的成本，但它同时也意味着使用开源不会让你独力承担问题。

He gained a small fortune in real estate.

他在房地产上发了一笔小财。