numerical aperture
英 [njuːˈmerɪkl ˈæpətʃə(r)]
美 [nuːˈmerɪkl ˈæpərtʃʊr]
数值口径，数值孔径；镜口率
双语例句
- At the condition of high numerical aperture, optical intensity distribution near the focus must be analyzed by vector diffraction theory.
高数值孔径物镜下，必须采用矢量衍射方法研究焦点区域的光强分布。 - A new method for measurement of numerical aperture of photonic crystal fibers
光子晶体光纤数值孔径测试的一种新方法 - In the next generation of optical disk system, GaN laser and high numerical aperture ( NA) objective lens are two key components.
对于下一代光盘系统而言，GaN激光器和高数值孔径（NA）的物镜是关键组件。 - 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。 - 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。 - This is achieved by a high numerical aperture ( NA) lens axicon that utilizes spherical aberration to duplicate the performance of an axicon and to create an extended focal line.
该方法采用了高数值孔径的旋转三透镜，这种透镜利用球面透镜来复制旋转三棱镜的性能和产生一个延长焦线。 - We focus on the focal properties including the intensity and the partially coherent and polarized properties of such partially coherent vortex beams through a high numerical aperture objective.
基于矢量德拜理论，推导出了部分相干径向偏振涡旋光束经高数值孔径透镜聚焦以后的光强、相干度和偏振度表达式。 - 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。 - Large core high numerical aperture fiber
大芯径大数值孔径光纤 - Hence the value of high numerical aperture for such specimens.
因此对这标本需采用大数值孔径的物镜。 - Design and fabrication of high numerical aperture and large mode-field Ytterbium-doped photonic crystal fibers
国产化大模场掺镱光子晶体光纤的设计与制备 - Furthermore, the larger the numerical aperture of the objective, the less the effect of the slant angle on the line image shape.
物镜的数值孔径越大，倾角对线结构成像的影响越小。 - The field distribution is showed and the effective area 、 numerical aperture of PCF are calculated.
分析了光子晶体光纤的模场分布特点，计算了光纤的有效模场面积、数值孔径。 - Effects of Bending on Optical Fiber Numerical Aperture
弯曲对光纤数值孔径的影响 - The relation between numerical aperture and the passing power rate of semiconductor laser in collimating system has been studied through the parameter equations of fundamental mode Gaussian beam.
使用基模高斯光束参量方程对半导体激光器光束准直系统的光功率透过率与准直系统的数值孔径的关系进行了研究； - 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。 - The projection method for measuring numerical aperture of microscope is introduced, and the measurement results are shown.
介绍了投影法测量显微镜数值孔径的实验原理，并给出了测量结果。 - Effective Radius and Effective Numerical Aperture of the Self& Focusing Lens Array
自聚焦透镜的有效半径和有效数值孔径 - It produce general planning of fibre optic pressure sensor design, established pressure signal measuring mathematic model, deduce lights numerical aperture in bent optical fiber, analyses some kind of photoelectric detection mode.
论文提出了光纤压力传感器的总体方案，建立了压力信号测试的数学模型，推导出了光在弯曲光纤中的数值孔径，分析了光电探测的几种方式。 - The experimental result indicates that the diffraction-limited performance was achieved for a numerical aperture of 0.3.
实验结果表明，该微透镜阵列在0.3数值孔径下达到了衍射极限的光学性能。 - The effect parameters, such as fiber optical spot size, the numerical aperture and magnification of a gradient index lens, match and assembly between a gradient index lens and the fiber on axial resolution of the fiber optical confocal microscope.
分析和研究了光纤光斑尺寸、透镜的数值孔径、放大倍率、光纤与透镜的匹配及装配等对自聚焦共焦光纤传感轴向分辨率的影响。 - We have studied the relationship between numerical aperture of collimating system and far-field intensity distribution in the transverse direction by the theory of Gaussian beam diffracted by a circular aperture.
应用高斯光束圆孔衍射理论详细研究了准直系统数值孔径与远场横向强度分布的关系；准直系统的象差与远场横向强度分布的关系； - 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。 - Cut-off wavelength, mode field diameter, numerical aperture and cross talk are chosen as test parameters of optical fibers.
将光纤编入编织复合材料中，对光纤的截止波长、数值孔径、模场直径和串音进行了检测。 - The effect of numerical aperture of confocal system for the image depth of OCT is studied with new model. The diffuse reflection of back scattering light satisfied with OCT coherence condition is also estimated with this model.
本文利用该模型研究了共焦系统的数值孔径对OCT系统成像深度的影响，估计了满足OCT相干条件的背向散射光的漫反射率。 - A diffraction model for the DSE in an imaging system with high numerical aperture is established on the basis of geometrical optics and Rayleigh-Sommerfeld scalar diffraction theory. This model can be conveniently used for designing a DSE, which is difficult for the existing models.
基于几何光学与Rayleigh-Sommerfeld标量衍射理论，本论文建立了一种大数值孔径成像系统中DSE的衍射模型，能够方便地用于DSE的设计，克服了已有的衍射模型难以进行DSE设计的不足。 - Based on the finite element method, we have studied the mode effective area, mode field diameter, numerical aperture, nonlinear coefficient and dispersion characteristics of Yb-DC-PCF.
基于有限元法对Yb-DC-PCF在0.8um-1.2um处的的模场有效面积、模场直径、数值孔径、非线性系数、色散等特性进行研究。 - It is indicated that the depth of focus of the digital holographic imaging system is not only related with the numerical aperture and the reference wavelength, but also related with the configuration and the offset of reference wave.
指出了数字全息成像系统的焦深不仅与记录时的数值孔径及参考光波长有关，还与具体的光路结构及参考光的偏置有关。 - Direct focusing radially polarized beam with high numerical aperture ( NA) lens can realize optical superresolution.
径向偏振光大数值孔径聚焦可实现光学超分辨。 - Using the same software at the same time total internal reflection photonic crystal fibers was simulated by calculating its effective refractive index, the normalized frequency and numerical aperture parameters.
同时利用同样的软件对全内反射型光子晶体光纤进行了模拟，通过计算对其有效折射率，归一化频率以及数值孔径等参数进行了具体的分析，为今后的实验研究提供了数据参考。