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index gradient
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  折射率梯度
     Measurement of refractive index gradient of inorganic liquid laser system Nd·POCl_3/ZrCl_4 and the effect of some additives on its dnD/dt
     无机液体激光工作物质Nd·POCl_3/ZrCl_4体系折射率梯度的测定及某些添加物的影响
短句来源
     The aberration requirement for a system is replaced by requirements on structure and index gradient by means of | P and |W expressions of primary aberration coefficients.
     把对光学系统的像差要求,通过元件的|P~∞、|W~∞初级像差系数表达式,变成对于系统的结构和折射率梯度的要求。
短句来源
     HIGH INDEX GRADIENT PROFILE DISTRIBUTION OBTAINED BY EXCHANGING OF K~+ OR Na~+ IONS IN TiF_6 OPTICAL GLASS FOR Ag~+ IONS
     采用Ag~+离子与TiF_6光学玻璃内的K~+或Na~+离子交换产生高折射率梯度剖面分布
短句来源
     As their applications we have studied the effect of air index gradient on laser alignment and the additional diffraction loss of laser caused by inhomogeneous pump.
     应用于空气折射率梯度对激光准直的影响和不均匀泵浦引起的激光器附加衍射损耗。
短句来源
     This paper analyses the cause for refractive index gradient in Nd3+ glasses.
     分析Nd~(3+)激活玻璃介质中折射率梯度的生成.
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  “index gradient”译为未确定词的双语例句
     Glasses with index gradient were prepared by both Na~+-Li~+ and Ag~+-Na~+ ionexchange processes.
     用Na~+-Li~+和Ag~+-Na~+离子交换研制变折射率玻璃。
短句来源
     Axial gradient index lens blanks with large dimensions(40 mm×40 mm×0.5 mm) and large refractive index gradient (Δn±0.4) produced by fusingdiffusing to ordinary commercial lead silicate glass family at 650-800 ℃,whiches have different refraction index from low to high of seven layers.
     采用一般商用铅 硅酸盐系列玻璃,按折射率分布从低到高排列成多层堆片,在650~800℃下进行熔融/扩散,形成一种大直径(40mm×40mm×0.5mm)、大轴向梯度折射率(Δn≈±0.4)线性剖面分布的玻璃板。
短句来源
     The paper further shows the effects of deviation of the index gradient a from aopt upon optical equalization on the basis of WKB solution and proposes an optimum condition for equalization.
     本文还在WKB解的基础上进一步揭示了光纤的梯度剖面指数α偏离α_(opt)时对光均衡的影响,并提出了一最佳均衡条件。
短句来源
     Designning formula was derived. The electrical potential distribution over the deflector with four cylindrical electrodes was calculated by the mathod of finite difference. Refractive index gradient linearity and structure fractor were obtained for deffrent struture parameters.
     从电光效应出发,对LiNbO3电光偏转器的基本品质因子进行研究,导出了偏转器的设计公式,用有限差分法计算了四柱面电极电光偏转器的电场分布,对不同结构参数,给出了梯度线性度和结构因子
短句来源
     The paper divides the attribute value into proper intervals and identifies the interval with the maximum gini index gradient so as to determine the best splitting point and make it true to construct decision tree on streaming data.
     本文采用将数值型的属性值分成适当的区间,根据它们giniindex值的特殊性质,确定具有最大giniindex梯度的区间,因而可以快速地计算最佳分裂点,实现在流数据上快速地建立决策树。
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  相似匹配句对
     Deposition of layers with gradient index
     变折射率膜层的获得——实用气相混合蒸镀技术之二
短句来源
     Index
     索引
短句来源
     GRADIENT INDEX BORATE GLASSES
     硼酸盐梯度折射率玻璃
短句来源
     index;
     指标;
短句来源
     gradient elution;
     梯度洗脱;
短句来源
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  index gradient
Dimensions of the laser densified region, magnitude of the index gradient, and shape of the GRIN profile are easier to control with the medium pore size gel-silica substrates.
      
Potential distribution in an electrooptical deflector with a constant refraction index gradient
      
As a result of the experiment, both equilibrium nz(z,te) and nonequilibrium nz(z,t) height dependences of the refractive index gradient nz at different times t after the beginning of thermal equilibration have been obtained.
      
Controlling the refractive-index gradient, i.e., a density gradient, perturbations can be maintained at levels where convection is negligible.
      
In the latter zone, the optically opaque near-surface layer gives way to a deeper optically transparent layer with the refractive index gradient.
      
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The density and distribution of dislocation and its influence on optical homogeneity of Te02 single crystal grown by Czochralski method are investigated. The subgrain-free TeO2 crystal with minimal density of dislocation exhibits high optical quality. A minimal beam divergrence ratio of-0.02 and low refraction-index gradient less than 1×10-5cm-1 have been obtained.

本文研究了提拉法生长的TeO_2晶体的位错密度和位错分布以及它们对光学均匀性的影响,没有亚晶粒和低位错密度的晶体具有高光学质量,其最小光束发散度约0.02,折射率梯度小于1×10~(-5)cm~(-1)。

This paper extends the statistical model in time domain proposed by M. Eve and applies it in frequency domain in order to analyse the bandwidth of the optical fiber links and, on the above basis, proposes a method for predicting the bandwidth of optical fiber links by means of indirect determination of the correlation factors. The prediction agrees well with the measured results. The paper further shows the effects of deviation of the index gradient a from aopt upon optical equalization on the basis of...

This paper extends the statistical model in time domain proposed by M. Eve and applies it in frequency domain in order to analyse the bandwidth of the optical fiber links and, on the above basis, proposes a method for predicting the bandwidth of optical fiber links by means of indirect determination of the correlation factors. The prediction agrees well with the measured results. The paper further shows the effects of deviation of the index gradient a from aopt upon optical equalization on the basis of WKB solution and proposes an optimum condition for equalization. Experimental results obtained on a link composed of five pieces of optical fibers have shown that optical equalization improves certainly the intermodel dispersion properties of the whole link and reduces the length dependence-index of bandwidth to 0.25.

本文把M.Eve提出的时域统计模型推广到频域以分析光纤链的带宽,并在此基础上提出了一种借助于间接确定相关系数来预言光纤链带宽的方法。预言数值与测试结果取得了良好的一致。本文还在WKB解的基础上进一步揭示了光纤的梯度剖面指数α偏离α_(opt)时对光均衡的影响,并提出了一最佳均衡条件。对5段光纤的连接实验表明光均衡明显地改善了整个光纤链的模色散特性,使带宽的长度关联指数下降到0.25。

Based on the combination of theory and practice, this paper discusses the formation of refractive index gradient in optical glass and related questions of optical quality in the production processes.

本文在理论和实践相结合的基础上讨论了光学玻璃内部折射率梯度的形成和生产实践中有关光学的质量问题.

 
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