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diffraction grating     
相关语句
  衍射光栅
     Design of an Etched Diffraction Grating with Flat-Field Input/Output
     平场输入/输出蚀刻衍射光栅的设计
短句来源
     SPD-Ⅰ Flat Field Polychromator With a Holographic Concave Diffraction Grating
     SPD-Ⅰ型全息凹面衍射光栅平场多色仪
短句来源
     THE EXPERIMENTAL DESIGN OF DIFFRACTION GRATING
     衍射光栅的实验设计
短句来源
     Simulation for Etching Diffraction Grating by Use of Scalar Diffraction Theory
     标量衍射理论模拟蚀刻衍射光栅
短句来源
     The Computer Analogy and Analysis of Plane Diffraction Patterns of Diffraction Grating
     平面衍射光栅衍射图样的计算机模拟分析
短句来源
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  光栅衍射
     The Computer Analogy and Analysis of Plane Diffraction Patterns of Diffraction Grating
     平面衍射光栅衍射图样的计算机模拟分析
短句来源
     STUDY ON DIFFRACTION GRATING OF OBLIQUE INCIDENCE LIGHT WAVE
     斜入射光波的光栅衍射研究
短句来源
     Diffraction patterns of plane diffraction grating are obtained through computer analogy with VB program on screen.
     通过计算机模拟的方法 ,用VB语言编写程序 ,运行后可在屏幕上模拟显示平面衍射光栅衍射图样 ,而且可以实现人机对话 .
短句来源
     EXPERIMENT EXCITATIVE HEAW CONSIDERATION OF DIFFRACTION GRATING
     光栅衍射实验现象引发的新思考
短句来源
     The characteristics of diffraction grating of oblique incidence light wave are analysed theoretically and verified in experiments.
     本文分析了斜射光波的光栅衍射特点,并在实验中得以验证。
短句来源
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  衍射条纹
     Analysis of Fraunhofer Diffraction Grating
     夫琅禾费单狭缝衍射条纹分析
短句来源
  “diffraction grating”译为未确定词的双语例句
     The optical fiber diffraction grating reflection wave length is the optical fiber diffraction grating Bragg wave length demodulation technology is the optical fiber Bragg diffraction grating (Fiber Bragg Grating, FBG) the practical key technologies.
     光纤光栅反射波长即光纤光栅Bragg波长的解调技术是光纤Bragg光栅(Fiber Bragg Grating,FBG)实用化的关键技术。
短句来源
     Experiments show that the positioning precision of the diffraction grating ruling machine controlled by this system is σ=3.6nm, the maximum positioning error is less than 14.6nm.
     实用表明:该系统控制的刻划机的定位精度σ=3.6nm,最大定位误差为14.6nm。
短句来源
     The key problem of FBG sensor study is the optical fiber diffraction grating signal demodulation,namely,the detection of small shifting of wave length.
     研究光纤光栅传感器的关键问题是光纤光栅的信号解调,即波长微小移位的检测问题。
短句来源
     The Application and Research of the Diffraction Grating in Measuring Instruments in Length of High Resolving Power
     光栅的衍射在高分辨力测长仪器中的应用研究
短句来源
     The Study of Phase Retrieval Algorithm for Wavefront Curvature Sensor with a Diffraction Grating
     光栅型波前曲率传感器相位恢复算法研究
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  diffraction grating
The observed effect is used to write a copy of the diffraction grating with a resolution of 1200 grooves/mm.
      
The amplitude and the speed of writing of the photorefractive diffraction grating were determined by the stationary value of the ratio (jph + jd)/jd and by the rate of the growth of photocurrent jph to the stationary value, respectively.
      
In a composite containing 0.26 wt % SWNT, the diffraction grating is displaced by 5° relative to the interference pattern, the result that is presumably due to the close mobility of unlike charge carriers.
      
The diffraction grating that is applied to the sampleis also used as a beam splitter.
      
One pair of plates was taken with a diffraction grating.
      
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making diffraction grating on photoresist agent by holographic method consists of laser source, interference system end photosensitive recording media.under our realizable conditions, we Can obtain a grating with an areaof about 80× 40mm2,λ/6 wavefront aberration, 30% diffoaction efficiency,75% of the theorectical limit of resoloing power and no ghost line.

用全息法在光致抗蚀剂涂层上制作光栅,涉及到所用的激光光源、干涉仪系统和光敏记录介质。在现有条件下,对一个刻划面积约80×40mm~2的光栅,可以得到波前象差1/6λ,30%的衍射效率,分辨率为理论值的75%和无鬼线强度。

Constitutional parameters of the pulsed dye laser and properties of the pumping laser are given.Emphasis is put on the experimental research on its tunable range and the bandwidth narrowing with a diffraction grating and a Fabry-Perot etalon.Experimental results of the dye laser properties and their measurement methods are given.

本文给出脉冲式可调谐染料激光器的结构参数及其泵浦源的性能参数。重点介绍脉冲式染料激光器的波长覆盖范围及用光栅和法布里-珀罗标准具压缩谱线宽度等研究工作、实验结果及测试方法。简单给出染料激光器其他性能的实验数据。

We will describe a technique of white light optical information processing with diffraction grating method and some of their applications. This white light technique enables the signal processing to be carried out in complex amplitude rather than in intensity. The basic advantage of this white light processing technique is the elimination of the coherent artifact noise that frequently plagues the coherent optical system. We note that this white light processing technique is capable of processing many complex...

We will describe a technique of white light optical information processing with diffraction grating method and some of their applications. This white light technique enables the signal processing to be carried out in complex amplitude rather than in intensity. The basic advantage of this white light processing technique is the elimination of the coherent artifact noise that frequently plagues the coherent optical system. We note that this white light processing technique is capable of processing many complex signals that a coherent processor may offer. The application may range from complex signal addition, subtraction, to complicated optical parallel processing. Because of the use of spectral broadband light source, this technique is very suitable for color-image processing, enhancement, and restoration. Experimental demonstrations of this white-light processing technique as applied to archival storage of color films, multi-image regeneration, spatial frequency and density pseudocolor encoding, smeared image restoration, etc. will be included.

本文讨论了作者所提出的白光信息处理系统的基本概念,以及用它在进行复数滤波、信号综合及平行光学处理诸方面的若干研究成果。这种方法既消除了相干系统中不可避免的相干噪声,又保持了相干系统所具有的运算能力。值得指出的是,它还具有相干系统所不具有的独特优点,即由于光源本身的相当广阔范围的光谱分布,对多色信号及彩色图象的处理十分有利和相当有效。它为光学信息处理展示了一个新的具有良好前景的方向。

 
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