减速使新介质获得不同的折射率。
The deceleration gives the new medium a different refractive index.
如果折射率是负的,会发生什么事情?
精确得控制光子相位是基于独特得组合负和正的折射率器件。
This exact control of optical phase is based on a unique combination of negative and positive refractive indices.
随着脉冲经过，折射率发生改变，靠近脉冲的光速度越来越慢。
Light in the vicinity of the pulse is slowed more and more when the refractive index changes as the pulse passes by.
一种光纤术语。折射率与不同极化的光折射率不同。
Birefringent a fiber optic term. Having a refractive index that differs for light of different polarizations.
并论证等离子体中氢对折射率的负影响可以忽略不计。
The negative impact of Hydrogen in the plasma to the refractive index is proved to be negligible.
波导就是折射率高的区域由折射率低的区域包裹的结构。
A waveguide is characterized by a region of high refractive index bounded by regions of lower index.
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。
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.
如果水具有负折射率，那么放在玻璃杯中的吸管似乎可能弯曲到自身下方。
If water had a negative index of refraction, then a straw placed in a glass would appear to bend back under itself.
本文研究一类抛物型发散梯度折射率棒透镜中高斯光束的传播。
Gaussian beam propagation through a kind of parabolic divergent GRIN rod lenses is studied.
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。
A transmit matrix method to analyze the characters of irregular refractive index grating are provided.
讨论了折射率梯度对传输激光波面质量的影响和波面补偿的可能性。
Finally the effect of refractive index gradient on the wave surface quality of laser beam is discussed.
管壁材料的折射率越大，测量体的位置与管壁厚趋时位移差也越大。
If the refractive index is larger, the translocation difference of the measurement volume is larger.
研究K9玻璃在低压下的双折射效应，测量它的双折射率及其梯度。
The birefringent effect of K9 glass has been studied under low pressure. The index of birefringence and its gradient have been measured.
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。
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.
这种小颗粒会破坏水晶体原本均质的折射率，在视野中制造出模糊的点。
This speck disrupts the otherwise uniform index of refraction creating a cloudy spot in a person's field of vision.
激光相位多普勒(PDA)能够同时测量粒子的速度、大小和相对折射率。
Laser phase Doppler anemometry (PDA) technology can be used to measure moving particle's velocity, size and relative refractive index simultaneously.
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。
Because shock waves represent a stark and sudden change in refractive index, they show up clearly in schlieren photographs.
用此方法测量了某聚合物分散液晶的折射率，与用其他方法得到的结果相符。
The refractive index of the PDLC is measured and it is coincident with the results by other methods.
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。
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.
由于采用折射率高的氟里昂气体进行气压调谐，调谐范围可达550千兆赫。
As the pressure tuning is carried out by freon with high refractive index, the tuning range can be expanded to 550 GHz.
根据条纹弯曲偏移量，由折射率与温度的关系，画出空气温度的二维分布图。
According to the displacement of the fringe and the relation between temperature and index of refraction, a two-dimensional temperature profile is obtained.
高折射率高色散光学玻璃在目前小型化和数字化的光学设计中的用途越来越广。
Optical glass with high refractive index and high dispersion are used more and more as optical design trend to miniaturization and digital.
半导体纳米微粒因其非线性折射率高、响应时间快而在过去的十年里倍受关注。
Semiconductor nanoparticles, which own large nonlinear refractive index and fast response speed, have been extensively studied in the last decades.
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。
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.
其中，第一液晶材料层的双折射率约略等于第二液晶材料层的双折射率的一半。
The first liquid crystal material has birefraction index approximately equal to one half of that of the second liquid crystal material.
这可能是由于碳酸钙晶体具有两种折射率——折射率会限定某种物质聚焦入射光线的范围。
That's probably because aragonite has two refractive indices, the extent to which a particular material focuses incoming light.
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。
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。
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.
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