The light energy transfer efficiency can be calculated by a method named as effective numerical aperture.
提出有效数值孔径法计算光波能量传输效率。
Fibers offer exceptional transmission in tight bends, with a high core-to-clad ratio and numerical aperture of 0.37.
纤维在急弯下提供特殊的传输，具有高核心覆盖比率和0.37的数值孔径。
After analyzed, the exciting laser intensity, the coverage rate and the numerical aperture of objectives are selected for experimental research.
经分析选取了激发光强、覆盖率和物镜的数值孔径作为实验研究对象。
The system can also be applied to measurement of numerical aperture of polymer optic fiber and characterization of the refractory index distribution.
该系统也可实现聚合物光纤数值孔径的测量和折射率分布的表征等。
By this way we can design high diffraction efficiency, as well as lager numerical aperture diffractive lens under current machine fabrication condition.
该方法在现有衍射透镜加工设备分辨率条件下，可提高衍射透镜的衍射效率，增大衍射透镜的数值孔径。
We study the high numerical aperture focusing properties and typical applications of axially-symmetric polarized beams (ASPBs) with high polarization orders.
研究了高偏振级次轴对称偏振光束的高数值孔径聚焦特性及其典型应用。
The reflection effect of the spherical surface of a hemisphere solid immersion lens (SIL) has been investigated using the vectorial diffraction theory for high numerical aperture systems.
应用高数值孔径系统的矢量衍射理论研究了半球形固体浸没透镜(SIL)球面表面的反射对SIL系统透射场的影响。
In high numerical aperture and low technic factor lithography process, degradation of the image quality because of the coma aberration in the projection lens has become a serious problem.
在高数值孔径、低工艺因子的光刻技术中，投影物镜彗差对光刻质量的影响变得越来越突出，因而需要一种快速、高精度的彗差原位测量技术。
The quantity in relation to the coupling efficiency of an optical fiber:lasing mode, divergence angle, numerical aperture, focal diameter and precision optical fiber coupler are discussed.
围绕光纤耦合效率相关的量：激光模式、发散角、数值孔径、焦斑直径、精密光纤耦合器等问题进行了讨论；
We considered intensity distribution of light focused by a high numerical aperture lens without spherical aberration through a planar interface between materials of mismatch refractive index.
采用光的矢量衍射理论 ，研究了场振幅为高斯分布的平面波入射到无球差高数值孔径物镜上 ，折射率失配对共焦显微术的影响 ，并进行数值模拟。
Transmission parameters such as numerical aperture and normalized frequency of the fabricated holey fibers have been measured and compared with theoretical values based on effective index method.
测量了拉制成的有孔光纤的数值孔径和归一化频率等传输参数，并基于有效折射率方法与理论值进行了比较。
The invention can realize the nondestructive copy, extend the operating life of the master C. D. and selecting the large numerical aperture to meet the requirement for copying C. D. with high density.
本发明可以实现无损复制，提高母盘的使用寿命，选用大的数值孔径，满足高密度光盘复制的需要。
It is shown that the algorithm discussed in this paper can be applied to the image processing and the numerical calculation of the imaging equation of a synthetic aperture radar.
这一算法可以用于图象处理和合成孔径雷达成象方程的数字计算。
The focusing properties of partially coherent and circularly polarized Bessel-Gaussian beams through a high numerical-aperture objective are studied.
研究了部分相干圆偏振贝塞耳-高斯光束经高数值孔径透镜的聚焦特性。
Synthetic aperture radiometer applies the interferometric principle to sample in the spatial frequency domain and retrieves the image by Fourier or other numerical transformation.
综合孔径辐射计利用孔径综合原理在空间频率域中采样，通过傅立叶变换或其他数学变换获取反演亮温图像。
Using the finite element method, with a special algorithm by treating the contact areas as zero-aperture elements, numerical simulations of fluid flow in joints were conducted.
考虑节理面上的接触领域的非透水性，用有限元法对节理中的渗流进行数值模拟。
The light intensity distribution of diffraction of circular aperture was investigated by numerical analysis.
利用数值分析的方法分析了由边界波理论公式所得的圆形光阑衍射场的光强分布。
Numerical results show that the effect of metallization thickness is smaller on the direction of main beam and very noticeable on the beamwidth and aperture efficiency.
数值结果表明，金属栅厚度对漏波天线波求方向影响较小，但对漏波天线的辐射效率和波束宽度有明显的影响。
The paper introduced radiation heat-transfer speciality of radiant porous body, and analyzed radiation Angle coefficient of radiant porous body with square aperture by using numerical differentiation.
介绍了辐射多孔体的辐射传热特性，采用微分法对方形孔道辐射多孔体的辐射角系数进行了数值分析。
The paper introduced radiation heat-transfer speciality of radiant porous body, and analyzed radiation Angle coefficient of radiant porous body with square aperture by using numerical differentiation.
介绍了辐射多孔体的辐射传热特性，采用微分法对方形孔道辐射多孔体的辐射角系数进行了数值分析。
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