Dr Hess envisages a ray of light travelling down an optical fibre made from two materials: a core with a negative refractive index and an outer sheath with a positive one.
赫斯博士构想出一个画面，即一道光正穿越于一个由两种材料制作的光导纤维，一种是具有正折射指数的纤维核，另一种则是具有正折射指数的外围。
Random fluctuation of turbulence brings random fluctuation of refractive index and makes atmosphere become a random fluctuation medium, which destroys the coherence of light-wave.
大气湍流对光波传播的影响主要是由于大气随机起伏的湍流引起折射率的随机起伏，破坏了光波的相干性。
Variable Angle spectroscopic ellipsometry (VASE) is a instrument for measuring optical film refractive index and thickness and is a powerful technique for research on new materials and processes.
可变角度的光谱椭偏仪(VASE)是一种测量光学薄膜折射率和厚度的仪器，它对于新材料和新过程的研究是一种强有力的技术手段。
The deceleration gives the new medium a different refractive index.
减速使新介质获得不同的折射率。
From the refractive index of each path it is possible-with the application of some suitably crunchy computing power-to produce a three-dimensional image.
从每条路径的折射率——再运用一些适当的计算处理能力——就可以组成一个三维图像。
In natural materials, light waves entering at an Angle always bend to plunge more steeply into the material-the hallmark of a refractive index greater than 1.
在自然物质中，以一定角度进入的光波，进入物质后的角度更小——标志着折射率大于1。
They then cascaded the negative index medium with a positive refractive index medium so that the complete nanostructure behaved as one with an index of refraction of zero.
他们将负折射率材料和正折射率材料级联起来成功实现了零折射率行为的纳米结构。
The technique can image variations in what is known as the refractive index of air - in essence, the speed of light in a given medium.
这项技术能够使空气折射率图形化-本质上就是特定介质下的光速。
Because shock waves represent a stark and sudden change in refractive index, they show up clearly in schlieren photographs.
因为冲击波反映了折射率的明显和突然的变化，他们能在纹影摄影中清楚地被展现出来。
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。
The researchers placed a silicon nitride waveguide on a transparent nanoporous silicon oxide substrate that they specially developed to have a much lower refractive index than that of the waveguide.
其做法是在纳米级氧化硅透明衬底上生长氮化硅波导，衬底的折射率远小于波导。
A waveguide is characterized by a region of high refractive index bounded by regions of lower index.
波导就是折射率高的区域由折射率低的区域包裹的结构。
Birefringent a fiber optic term. Having a refractive index that differs for light of different polarizations.
一种光纤术语。折射率与不同极化的光折射率不同。
A transmit matrix method to analyze the characters of irregular refractive index grating are provided.
介绍了一种可以分析任意折射率分布的光纤光栅的传输矩阵方法。
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。
Air temperature distribution is analyzed with a finite element method. Linear distribution of refractive index is calculated for certain measurement positions.
该文利用有限元方法分析热轧车轮周围空气温度场，计算得到相应测位空气折射率的线形分布规律。
As a new testing method to refractive index of biological tissues, surface plasmon resonance technology has special merits and an important application in future.
研究表明表面等离子体共振技术作为生物组织折射率测量的一种新的手段，具有独特优势和重要的应用前景。
The variations of crystal thickness and refractive index will lead to a shift of synchronous Angle of Attenuated Total Reflection (ATR) spectrum, and then bring reflectance variation.
晶体厚度和折射率的变化导致衰减全反射(atr)谱的同步角发生移动，进而引起反射率的变化。
Feasibility of measuring complex refractive index with ellipsometry is discussed and a set of experiment equipment is set up to make elementary experiment.
探讨了椭圆偏振测量术应用生物组织复折射率测量的可行性，建立了相应的实验装置并进行了初步的实验测量。
Liquid flow field in a tube with a combination of a stenosis and a bifurcation was measured using refractive index matching technique.
通过折射率匹配方法，应用激光多普勒测速仪测量了突缩与分叉复合管内的液体流场。
Presented is a revised equation on calculating the refractive index of Lorentz-Lorenz equation for binary liquidmixtures system.
本文提出了一个计算二组分液体混合物折射率L—L公式的修正公式。
The refractive index of a substance is determined by two properties known as the electrical permittivity and the magnetic permeability.
物质的折射率由两项性质决定，分别是介电常数和磁导率。
The experimental results show that the nonlinear refractive index of the sample is a negative value.
实验结果表明，该样品的非线性折射率为负值。
By this method the refractive index in a wide range ultraviolet, visible and infrared can be measured automatically.
可对紫外、可见，红外光谱折射率作自动精密测量。
A numerical model of atmospheric optical refractive index structure parameter is presented.
提出了一种大气光学折射率结构常数的数值模式。
A method of measuring the thickness and refractive index of thin transparency is introduced.
介绍了测量薄透明体厚度及折射率的一种方法。
A method of investigating how refractive index of transparent liquid varied with temperature by using Michelson Interferometer was proposed.
文章提出了一种利用迈克尔逊干涉仪研究透明液体折射率受温度影响变化的实验方法。
A new refractive index fiber sensor with simple operation, low cost and high sensitivity has been explored.
从理论和实验上研究了一种操作简单、价格低廉、灵敏度高的折射率光纤传感器。
A new refractive index fiber sensor with simple operation, low cost and high sensitivity has been explored.
从理论和实验上研究了一种操作简单、价格低廉、灵敏度高的折射率光纤传感器。
应用推荐