样品不应当过分大，以致不恰当地增加了衍射束的宽度。
The sample should not be so large as to increase unduly the width of the diffracted beam.
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。
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.
理论分析表明，通过对入射角进行优化可以得到衍射效率高且光强分布均匀的分束器。
Theoretical analysis shows that the splitter with high diffraction efficiency and uniform distributed light intensity can be designed by incidence Angle optimization.
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 results reveal that besides the nonlinearity and absorption, the diffraction is another important factor that affects the shock formation of an ultrasound beam.
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 residual strain fields at composites interface were studied with two convergent beam electron diffraction (CBED) techniques.
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.
分析讨论了原子全息与光学全息的区别，指出只有经激光冷却的原子束才满足全息技术所要求的相干条件和衍射条件。
Analyzing the difference of atom hologram and optical hologram, we point out that only the laser cooling atoms can satisfy the coherent and diffract conditions required by the hologram technology.
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 straight-edge diffraction of this parallel beam superposing on the light spot constitutes the so-called M-line.
一束电子波衍射的方式，同光波从一个反射光栅上弹回的方式完全类似，这真是不可思议。
Amazingly enough, a beam of electrons had thus been diffracted in a manner completely analogous to a light wave bouncing off a reflection grating.
利用掺杂KNSBN晶体，报道了两束异常偏振光所引起的各向异性锥形衍射现象。
The anisotropic conical diffraction generated by two extraordinary polarized beams with doped KNSBN crystals is reported.
对两束相干光写入稳态相位栅的衍射效率进行数值模拟，发现在某一角度范围内衍射效率有一最大值存在。
Diffraction efficiency was simulated theoretically in the stable state phase during the double coherent light coupling and a maximum value of diffraction efficiency was discovered in some Angle scope.
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。
The relief structure of diffraction optical element can be written precisely but very slowly with the raster scan mode bye-beam.
衍射光学元件的制作技术主要包括激光或电子束直写、反应离子刻蚀、离子束铣及薄膜沉积。
DOE's fabrication techniques mainly include laser beam or electron beam writing, RIE, ion milling and thin film deposition.
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。
Several mainstream laser beam combination methods, including stimulated Brillouin scattering, diffraction optics units and all fiber beam combination, are introduced.
更具体地说，本发明涉及亚显微、全息、电子束、机械控制的或其它衍射和直线光栅。
More particularly, the present invention concerns sub-microscopic, holographic, electron beam, mechanically ruled or other diffraction or straight line gratings.
分析讨论了原子全息与光学全息的区别，指出只有经激光冷却的原子束才满足全息技术所要求的相干条件和衍射条件。
Analyzing the difference of atom hologram and optical hologram, we point out that only the laser cooling atoms can satisfy the coherent and diffract con...
摘要 ：总结了大尺寸衍射光学元件离子束刻蚀技术的研究进展。
Abstract : Ion beam etching technologies for developing large aperture Diffractive Optical Elements (DOEs) were reviewed.
本文分别用原子力显微镜、双束紫外可见分光光度计、X-衍射仪等表征了用以上两种方法制备的三氧化钨薄膜。
The tungsten oxide films by two methods were characterized by atomic force microscope, double-beam UV-VIS-NIR spectrophotometer and X-diffractometer.
通过衍射图可以看出出射光束的发散程度随着角度误差的增加而增加，直至完全分离成六束光束。
The patterns show that divergence of the emerging beam increases with the dihedral angle offset up to completely separate to six beams;
通过衍射图可以看出出射光束的发散程度随着角度误差的增加而增加，直至完全分离成六束光束。
The patterns show that divergence of the emerging beam increases with the dihedral angle offset up to completely separate to six beams;
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