Finally the effect of refractive index gradient on the wave surface quality of laser beam is discussed.
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。
When we were discussing the index of refraction we saw that an incoming beam of light will make the atoms rediate again.
在讨论折射率时，我们曾看到入射光束使原子再辐射。
Simplifying a very large pontoon(VLP)to a beam model and considering the action of regular and irregular waves, we studied the calculation methods of dynamical response and reliability index of VLP.
将大型浮码头简化为梁模型，考虑规则波和非规则波，研究了其动力响应及可靠性指标计算方法。
The influence of different altitudes, different sizes of the inner and outer scale of the turbulence on the scintillation index with Gaussian beam propagation in the slant path is discussed in detail.
讨论了不同传播高度、不同湍流内、外尺度对高斯波束斜程传输闪烁指数的影响。
Using different refractive index distributions, the phenomena of plasma waveguide and the application of a ring shaped beam in the manipulation of particles are discussed, separately.
针对等离子体对激光的导引和离焦现象，以及应用激光操纵粒子的空心环状光束产生进行了模型化分析和讨论。
But, when the doughnut laser beam is used as trapping light, relative index can be less than 1. The beam waist of focused laser beam has a virtual affection for the trapping force.
但是，在空心光束中可以实现对地折射率粒子的稳定捕获，即粒子的相对折射率可以小于1。
Based on the matrix optics, the propagation and transformation characteristics of Gaussian beam through a parabolic gradient-index rod with the spherical end surfaces are analyzed.
本文采用矩阵光学的方法，分析了高斯光束经球端面抛物型梯度折射率棒透镜的传播与变换特性。
Moire deflection measurement can be used to calculate refractive index by measuring deflection of probe beam passing through mediums.
摩尔偏析测量术通过测量探针光束经过不均匀介质后光线的偏折来估算介质的折射率。
According to the refractive index ellipsoid of uniaxial crystal, the relationship between diffraction efficiency of volume grating and polarization state of readout beam is theoretically analyzed.
根据单轴晶体的折射率椭球，从理论上分析了光折变体光栅的衍射效率与读出光偏振态的关系。
The phase difference between the signals from beam forming net can affect the modulation index of single channel signal and can lower the precision of tracking.
和差网络输出的和差信号相位差会影响单通道信号的调制度，进而降低跟踪精度。
Transmission characteristics of light beam in different media are distinctive. Difference of refractive index of air and seawater is a determination factor that affects laser transmission.
光在不同介质中的传播特性不同，大气和海水折射率的差别是影响激光传输的决定性因素。
The transverse and longitudinal snaking displacement of billets in walking beam furnace is an important furnace performance index.
钢坯在炉内的横向跑偏和纵向跑偏位移量，是步进式加热炉设备的重要性能之一。
We study the beam paths in uniaxial crystal with arbitarily oriented optical axis in general conditions, by it′s plane and ellipsoid of refraction index and Fresnel law.
从菲涅耳定律出发，利用单轴晶的折射率面和光率体，讨论了在一般情况下单轴晶内部的光路问题。
Along with percentage of water loss and aggregate grade, the laws of small beam dry shrinkage strain and average dry shrinkage index.
小梁干缩应变、平均干缩系数随失水率、集料级配的变化规律。
Variational-Effective index method and Finite difference beam propagation method(FD-BPM) are both practicable waveguide simulation tools.
在众多的波导模拟工具中变分有效折射率法和有限差分束传播法都是实用性非常强的。
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。
A new measurement method of refractive index of plane-parallel plate has been introduced in this paper, which is performed by thin laser beam.
本文介绍了一种用激光细光束测量平行平面板折射率的新方法，并分析计算了入射角、平板厚度及光束位移量的误差对折射率测量精度的影响。
The method is based on measuring the deflection of rays from a collimated light beam due to gradients in refractive index.
平行光通过折射率存在梯度的场，光线产生偏转，即产生云纹效应。
The paper studies non-iterative bidirectional beam propagation method based on scattering operators which is used in numerical analysis of optical waveguide with abrupt longitudinal refractive index.
本文主要研究了基于散射算子的非迭代双向光束传输法数值分析纵向折射率有突变光波导的稳定性和精度等问题。
Trajectories of particles in the Airy beam were investigated and their relationships with particle radius, refractive index, and viscosity of surrounding medium were studied.
同时，还数值模拟了小球在艾里光束中的运动轨迹，讨论了小球半径、折射率以及环境粘滞系数对小球轨迹的影响。
The paper first studies beam propagation method which is used in numerical analysis of one-way process of an optical waveguide with continuous longitudinal refractive index.
本文首先研究了光束传输法数值分析纵向折射率连续变化光波导的单向光波传输过程。
Both mode coupling and mode distortion in the step-index fiber are studied theoretically in order to gain the effect of mode distortion on the beam quality.
为了研究模场畸变对于大模场光纤光束质量的影响，理论研究了阶跃光纤的模式耦合和模场畸变的特性。
The effects of distance between centers, beam waist, refractive-index and wavelength on axial radiation force are discussed.
讨论了离心距对纵向辐射力的影响，也讨论了束腰半径、介质折射率和波长对纵向辐射力的影响。
Based on the new method, beam transformation in medium with ununiform index was calculated, and it can be used to deal with Optics aberrations in ununiform medium.
利用该方法模拟了任意折射率分布介质中的激光传输，同时为具有畸变效应的非均匀介质中的光传输的问题提供了一种研究方法。
Based on the new method, beam transformation in medium with ununiform index was calculated, and it can be used to deal with Optics aberrations in ununiform medium.
利用该方法模拟了任意折射率分布介质中的激光传输，同时为具有畸变效应的非均匀介质中的光传输的问题提供了一种研究方法。
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