The effect of beam diffraction accelerates the damage.
损伤污染和衍射效应将导致损伤进一步加剧；
The Stokes parameters were determined by measuring the multiple beam diffraction intensity.
通过测量多光束衍射强度，确定了斯托克斯参量。
The experiments , comparison and analysis for the three thickness measurement methods :two-beam diffraction method , contamination spot method and contamination line method were carried out.
前言：对用电子显微镜测量薄膜厚度的三种方法：双束衍射法、污斑法、污线法进行了实验及比较分析。
According to comparison between the Gaussian beam and ideal parallel beam, some conclusions are given which ensure the measuring fineness when we make some measurements with the beam diffraction.
根据高斯光束与理想平行光束的对比，给出了若干结论，从而保证了在利用光束衍射进行某些测量工作时的测量精度。
We adopted Gaussian beam, ray tracing and vector diffraction integration together to analyze single beam spot-focusing lens antenna.
本文采用将高斯波束法，射线追迹和矢量衍射积分相结合的方法来分析单波束的点聚焦透镜天线。
Another important application of diffraction theory is the study of the far field divergence Angle of a collimated light beam.
衍射理论的另一个重要应用就是研究准直光束的远场发散角。
When the initial power equals the critical power a stabile spatial soliton is obtained and generally the beam width takes periodical contraction or diffraction.
当初始功率等于临界功率时，可以得到一个稳定的空间孤子，而一般情形下，束宽则作周期的压缩或展宽变化。
This novel light not only has characteristics of traditional non-diffraction beam, but also it is linear structure.
这种新型光束不仅具有传统无衍射光的特点，且光斑为线性结构。
The results reveal that besides the nonlinearity and absorption, the diffraction is another important factor that affects the shock formation of an ultrasound beam.
结果表明：除了非线性强度、吸收外，衍射是另一个影响非线性超声束冲击波形成的重要因素。
The propagation formula of the cross-spectral density of partially coherent flattened Gaussian Beam(PCFGB) through ABCD optical system was derived using Huygens-Fresnel diffraction integral formula.
利用惠更斯-菲涅尔衍射积分公式导出了部分相干平顶高斯光束（PCFGB）通过ABCD光学系统的传输公式。
This phenomenon can be explained by the diffraction effect of the Gaussian beam from the laser induced phase hole in the nonlinear medium caused by Kerr effect and thermo optic effect.
理论分析表明，该现象可以用光克尔效应和热光非线性效应共同作用下的附加相位孔对入射光束的衍射行为来解释。
The residual strain fields at composites interface were studied with two convergent beam electron diffraction (CBED) techniques.
用两种会聚束电子衍射(CBED)技术研究了复合材料界面残余应变场。
The propagation properties of the bottle beam were described based on geometrical optical theory, interferential theory and diffraction theory.
分析几何光学理论、干涉理论和衍射理论对局域空心光束传输特性的描述。
So liquid crystal grating is used in extensive field such as diffraction optics, photoelectric switch, deflexion controlling of light beam.
因此液晶光栅的这种光电特性在衍射光学、光电开关、光束偏转控制等许多领域具有广泛的应用前景。
The straight-edge diffraction of this parallel beam superposing on the light spot constitutes the so-called M-line.
这束平行光的直边衍射花纹与光斑本底叠加的结果在观察屏上形成为通常所称的M线。
The diffraction properties of TE and TM polarizations for a beam-sampling grating are numerically analyzed with this program.
利用编写的程序计算并分析了一种用于激光取样光栅te波和TM波的衍射特性。
This paper discusses a new concept appeared recently: the diffraction -free beam, whose physical principles and future applications are also discussed.
本文介绍了国际学术界新近提出的无衍射光束概念，对该光束的物理机制和应用前景进行了讨论。
A qualitative analysis of hologram with double beam interference and grating diffraction principles given in general physics is given.
基于普物光学的双光束干涉和光栅衍射，定性分析全息照相。
Finally we extend the Fresnel number to the region of complex number, and use it to investigate the diffraction problem of a truncated Gaussian beam.
最后，把菲涅耳数推广到复数域，并用于研究截断高斯光束的衍射问题。
The relief structure of diffraction optical element can be written precisely but very slowly with the raster scan mode bye-beam.
用电子束逐行扫描方法刻蚀衍射光学元件的浮雕结构精度高而速度低。
However, for strongly-coupled gratings if the absorption of medium cannot be ignored, the diffraction efficiency decreases with widening of reference beam.
当介质的吸收不可忽略时，对于耦合较强的光栅，参考光尺寸的增大反而会引起衍射效率的下降。
Based on the diffraction integral theory, the quasi-focused characteristics of a laser beam with waviness modulation have been studied theoretically and numerically in the paper.
采用光波的衍射积分理论，对具有波纹调制激光束的准聚焦特性进行了理论分析。
In this widely used technique, x-rays are directed through crystals of a protein, and its structure deduced from the pattern of diffraction of the beam.
利用这项广泛应用的技术，X射线直接从一个蛋白穿过，它的结构可以通过光束的衍射类型推断出来。
The results show that diffraction efficiency of a lossless grating increases with the higher ratio of reference beam width to object beam width.
对于无吸收的光栅，参考光束相对物光束越宽，衍射效率将越高。
Photorefractive (PR) spatial solitons form when the self-focusing of a light beam inside the PR material exactly balances the diffraction of the beam.
光折变空间光孤子是指当光折变材料的自聚焦效应与光束的衍射发散作用相平衡时，在介质内无衍射向前传播的光束。
Several mainstream laser beam combination methods, including stimulated Brillouin scattering, diffraction optics units and all fiber beam combination, are introduced.
介绍了当前光纤组束研究中的几种主流方法，即利用受激布里渊散射的光纤组束；利用衍射光学元件的光纤组束；全光纤组束等。
On the basis of Fraunhofer diffraction theory, the diffraction patterns of a Varied Line-space (VLS) grating were obtained for incidence beam in parallel and uniform.
基于夫琅禾费衍射理论，推导了平行光入射变栅距光栅后衍射光强的角度分布。
It is pointed out that the non-diffracted beam is a kind of Fresnel diffraction phenomenon.
同时指出所谓无衍射光束实际上是一种菲涅耳衍射现象。
With the 4W1A beam at Beijing SR Facility (BSRF), the diffraction enhanced imaging(DEI)was applied to image sample tissues of liver and kidney. Results were compared with pathological findings.
在北京同步辐射装置（BSRF）的4W1A束线上，使用衍射增强技术（DEI）对肝、肾等组织进行成像，部分结果与病理结果进行对照；
With the 4W1A beam at Beijing SR Facility (BSRF), the diffraction enhanced imaging(DEI)was applied to image sample tissues of liver and kidney. Results were compared with pathological findings.
在北京同步辐射装置（BSRF）的4W1A束线上，使用衍射增强技术（DEI）对肝、肾等组织进行成像，部分结果与病理结果进行对照；
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