英语释义

1. a number that indicates the resolving power of a microscope objective and is equal to the product of the index of refraction of the medium (as immersion oil) in front of the objective and the sine of half the angle formed by two rays emanating from the object upon which the microscope is focused and entering the objective at either end of a diameter of the objective

片语

numerical aperture NA数值孔径

object numerical aperture物空间的数值孔径

numerical l aperture孔径数

Object Space Numerical Aperture物空间数值孔径

NA none numerical aperture开口数

high numerical-aperture高数值孔径

NA Numerical Aperture数值孔径

High Numerical Aperture PCF高数值孔径光子晶体光纤

maxinum theoretical numerical aperture最大理论直径孔径

英汉例句

• 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。

• 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。

• 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。

• and the use of high numerical aperture lens in the probe improves the lateral resolution.

  这种方法可以实现利用较少的接收通道实现较大的接收孔径，提高图像的横向分辨率。

• 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。

• 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。

• 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 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。

• 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。

• 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。

• 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。

• 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。