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衍射面
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  diffraction surface
     As shown by the example composed of a diffraction surface and 7 conventional surfaces that all of the stray light and ghosts can be found by this data structure,the location and energy of each ghost can be calculated.
     对含1个衍射面和7个常规面的光学系统作了实例计算,表明用这种数据结构可以全面分析系统中的杂散光,给出鬼像位置和估计鬼像能量。
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  “衍射面”译为未确定词的双语例句
     A New Diffractional Face along with Ce_2Co_(15-x)Al_(2+x) Solid Solution System
     伴随Ce_2Co_(15-x)Al_(2+x)固溶体系的新衍射面
短句来源
     First the input plane and other three far diffraction planes are needed to retrieve the profile of phase distribution,then the phase detail is available in a similar way.
     首先利用三个较远的衍射面及输入面的强度信息,恢复出输入面相位分布的轮廓,然后再利用两个较近的衍射面及输入面,进一步恢复出相位分布的细节。
短句来源
     Based on a conventional 2-element f-θ lens working on the primary wavelength of CO2 laser,an achromatic f-θ lens working on tunable CO2 laser 9.0~11.0 μm was designed by adding a diffractive surface to one of the two lenses.
     以工作于CO2激光主波长的传统两片球面透镜型f-θ镜为基础,引入衍射面实现消色差,设计了工作于可调谐CO2激光的波段范围9.0 ̄11.0μm的f-θ镜。
短句来源
     Taking the advantages of the negative dispersion and the arbitrary phase modulation of the binary elements,a hybrid refractive/diffractive optical system of see-through head-mounted display for augmented reality(AR) with 21 mm eye relief,8 mm exit pupil and 40°(H)×30°(V) field-of-view was designed.
     利用二元光学元件消色差和对波面进行任意整形的独有特点,在光学系统中引入二元衍射面,给出了出瞳距离为21mm,出瞳直径为8nm,视场角为40°(水平)×30°(垂直)的用于增强现实(AR)的折/衍混合穿透型双目头盔显示器的设计结果。
短句来源
     According to the third order aberration theory of binary optical element,the optical coupler system with one diffractive surface,telecentric optical path structure in the object space is shown with calculation and optimization of optical design software ZEMAX,whose operating wavelength is(0.4)~(0.7 μm,) focal length is(27 mm,) and optical length is (62.9 mm.)
     在光学耦接器设计中引入衍射面,根据衍射光学元件的三级像差理论,通过理论计算和ZEMAX光学软件优化,给出工作波长0.4~0.7μm,焦距27 mm,光学长度为62.9 mm,采用一个衍射面的耦接器设计实例。
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     X-ray diffraction indicated the orientation of MHBA film is (010) face.
     X 射线衍射表明薄膜是晶体的(010)
短句来源
     and characteristic values of X-ray diffraction.
     和X-衍射特征值。
短句来源
     Design and Study of Single-Narrow-Face Diffraction Experiment
     单狭衍射实验的设计与研究
短句来源
     and then digital terrain model can be generated.
     模型。
短句来源
     Diffraction of the Laser for Wool Fibre
     羊毛的激光衍射
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The problem of phase retrieval from image and diffraction patterns is of importance in electron microscopy. In this paper the true phase can be extracted uniquely and accurately by Gerchberg-Saxton iterative algorithm for the wave function, its amplitude being unity or a linear function, while its phase being a parabolic, sinuous or exponential function.

高分辨率电子显微学中相位复原问题是一个重要问题。本文的计算表明,对于振幅为常数或线性函数,相位为抛物型、正弦型或指数型的波函数,可以采用Gerchberg-Saxton迭代算法从已知的象面和衍射面上的强度分布来唯一地和精确地复原真实的相位。我们编制了计算机程序,对于给定的象面波函数,采用离散的快速傅里叶算法,可以计算其衍射面的波函数。输入数值在-π,+π间的初始相位后,按照G-S迭代算法,利用本程序可以复原相位。文中详细给出了若干个计算实例。所得的相位迭代解对于1弧度的初始相位扰动是稳定的。

It is found that the diffraction, obtained by using X-ray divergent beam technique-back reflection Kossel method, of pure and Ti-diffused LiNbO3 crystals become abnormal in the vicinity of 75?.

用X射线发散束背反射赝考塞耳线衍射方法发现纯LiNbO_3和扩Ti的LiNbO_3晶体在75℃附近的衍射花样有明显的异常。(11010),(01110),(0118),(1108),(03312),(33012)等衍射面的考塞耳花样出现成对的大范围非断裂的畸变。畸变接近二次对称,对称面为x面。破坏了沿z轴方向的三次对称性。同时发现高角度的衍射面畸变α较小,或不畸变。布喇格角较小的衍射面畸变较甚。

Two common twin boundaries in natural α-quartz are investigated by X-ray diffraction transmission topographic technique. Further evidence is presented supporting that the diffraction contrast fringes observed in α-quartz are due to macroscopic Brazil and Dauphine twin boundaries. It is shown that different patterns can be produced if the extinction distance in the two parts of twin differs significantly, and these boundaries will be visible as diffraction contrast fringes only if the two parts are displaced...

Two common twin boundaries in natural α-quartz are investigated by X-ray diffraction transmission topographic technique. Further evidence is presented supporting that the diffraction contrast fringes observed in α-quartz are due to macroscopic Brazil and Dauphine twin boundaries. It is shown that different patterns can be produced if the extinction distance in the two parts of twin differs significantly, and these boundaries will be visible as diffraction contrast fringes only if the two parts are displaced relative to one another by a vector R.The observed fringe patterns for different gareconsistent with those expected for this displacement vector. The lattice relaxtion due to the displaced vectors is also discussed on the basis of X-ray anomalous Scattering effect and optical microscopy.

本文用X射线透射形貌方法研究了天然α-石英晶体中两类常见的孪晶界面——巴西孪晶和道芬孪晶,并就其所显示的不同孪晶界面的衍衬干涉条纹及消象规律作了进一步讨论,认为这是由于不同孪晶界面两边消光距离不同导致的衬度变化;为此,还结合应用X射线反常散射效应和光学显微术观察了孪晶界面两部分的相对位移负量所引起的某些衍射面上点阵弛豫现象,由此解释了石英晶体中孪晶界面引起强度的互补关系,以及不同型式孪晶界面对结构变化的影响。

 
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