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bragg diffraction     
相关语句
  布拉格衍射
     Application of bragg diffraction in the development of semiconductor opto-electronic devices
     半导体微结构物理效应及其应用讲座 第1讲 布拉格衍射效应在半导体光电子器件中的应用与发展
短句来源
     13 Bragg diffraction peaks are observed for 29 layers Cd stearate LB film in the angle range of 2θ=0.8°—23°, indicating that the LB film obtained with the simplified trough has a regular structure.
     用X射线衍射法在宽角衍射的低角区研究了这硬脂酸镉多层LB膜的周期结构,在2θ为0.8°~23°范围内观察到了硬脂酸镉25层LB膜多达13个布拉格衍射峰。
短句来源
     BRAGG DIFFRACTION AND ITS APPLICATION
     布拉格衍射及其应用
短句来源
     Influences of Geometry Parameter on the Bragg Diffraction by Volume Gratings of a Pulsed Gaussian Beam
     结构参量对脉冲高斯光束布拉格衍射特性的影响
短句来源
     Analysis of Interdigital Electrooptic Bragg Diffraction Grating
     叉指电光布拉格衍射光栅分析
短句来源
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  bragg衍射
     Bragg Diffraction in LiNbO_3 Crystal with Periodic Distribution of Solute Concentration
     溶质浓度周期分布的LiNbO_3晶体中Bragg衍射
短句来源
     Acousto-Optical Bragg Diffraction in Planar LiNbO_3 Optical Waveguide at Higher Frequencies
     LiNbO_3平面光波导中较高频率的声光Bragg衍射
短句来源
     The author designs and makes a guidewave acoustooptic Bragg modulator on the Ti diffused Y cut LiNbO 3 waveguide, with its center frequency being 200 MHz. An effective bandwidth 50 MHz is obtained in Bragg diffraction experiment.
     在钛扩散Y切LiNbO3光波导上设计并制作了导波声光Bragg调制器,其中心频率为200MHz,在Bragg衍射实验中获得了50MHz的有效带宽。
短句来源
     Analysis of phase mismatch in magneto-optic Bragg diffraction
     磁光Bragg衍射中的相位失配分析
短句来源
     Bragg Diffraction of Guided Optic Waves with Magnetostatic Waves in Nonuniformly Magnetized Film Waveguide
     不均匀磁化薄膜中静磁波对导波光的Bragg衍射
短句来源
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  布喇格衍射
     Phase object display by using the acousto-optical Bragg diffraction
     用声光布喇格衍射显示位相物体
短句来源
     DESIGN AND FABRICATION OF ACOUSTOOPTICAL BRAGG DIFFRACTION DEFLECTOR
     声光布喇格衍射偏转器的设计和制作
短句来源
     The Direct Solution of the Acousto optic Bragg Diffraction Efficiency
     声光布喇格衍射效率的直接推导
短句来源
     3rdorder Optically Nonlinear Acoustooptic Bragg Diffraction
     三阶光学非线性声光布喇格衍射
短句来源
     To satisfy the demand of integrated optical spectrum analyzer, the acousto-optical Bragg diffraction deflector was designed according to the principle of acousto- optics. The centre frequency of this system is 214 MC, 3db bandwith is 50MC.
     本文从集成光学频谱分析仪的需要出发,根据声光作用的基本原理和结论,设计了中心频率为214MC,3db带宽为50MC的布喇格衍射偏转器,重点讨论了叉指换能器的各项参数选择。
短句来源
更多       
  bragg衍射的
     Acousto-optic Spectrum Analyzer Based on Bragg Diffraction
     基于Bragg衍射的声光频谱分析仪
短句来源
     In this paper, the noise equivalant power (NEP) of optical heterodyne system has been measured with a method based on acousto-optici germanium' crystal modulator working at Bragg diffraction mode as a frequency shifting device in heterodyne system.
     本文介绍了利用工作于Bragg衍射的Ge晶体声光调制器作为外差系统中的频移器来测量外差系统的噪声等效功率(NEP)的方法。
短句来源
     The optical controlling reflection and the optical limiting effect realized in ZnS/ZnSe nonlinear stratified waveguide grating is reported in this paper, and the deflective angle of the second order Bragg diffraction was about -2° and the change of refractive index was about -0.049 at Ar + laser optical intensity of 2.60×10 5 W/cm 2. The refractive index coefficient of the material obtained was -1.9×10 -7 cm 2/W, which accords with the value reported by the foreigner. The nonlinear threshold of the optical limiting was about 140 mW, the limiting amplitude threshold was 24 mW.
     报道了在ZnS/ZnSe非线性迭层式波导光栅中实现的光控反射特性和光学限制效应,在控制光强为2.60×105W/cm2的Ar+激光作用下,得到对应于二阶Bragg衍射的衍射光偏转角为-2°,相应的折射率变化为-0.049,并得到该材料的非线性折射率系数为-1.9×10-7cm2/W,同时得到其光学限制阈值约为140mW(1.42×105W/cm2),限幅阈值为24mW。
短句来源

 

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      bragg diffraction
    How can one distinguish between dark stripes due to defects and Bragg diffraction lines on an X-ray pattern in testing austenite welded seams?
          
    The temperature dependences of the attenuation of longitudinal acoustic waves along the x axis of a LiIO3 crystal are studied experimentally by the method of Bragg diffraction of light by ultrasound.
          
    The angular dependence of the intensities of X-ray specular reflection has been rigorously analyzed under conditions of noncoplanar grazing Bragg diffraction in a crystal coated with a crystalline film (bicrystal).
          
    The Bragg diffraction of a narrow X-ray beam in a multilayer crystal is studied in the reflection geometry.
          
    The results obtained with the use of Bragg diffraction and small-angle neutron scattering from fuel membranes, nanocarbon-platinum catalysts, and Zn1 - xCuxO hydrogen storage systems are presented.
          
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    According to the actual practical condition of acousto-optical deflectors, by solving Dixon equations of abnormal Bragg diffraction under the condition of fixed incident light direction 1)1, the functional dependences of the ultrasonic wave direction (?)a. which gave rise the acousto-optical interaction and the diffraction light direction (?)2 on the frequency f are obtained. From the (?)a-f relationship, the important design parameters, i.e., the Bragg bandwidth and the transducer length,...

    According to the actual practical condition of acousto-optical deflectors, by solving Dixon equations of abnormal Bragg diffraction under the condition of fixed incident light direction 1)1, the functional dependences of the ultrasonic wave direction (?)a. which gave rise the acousto-optical interaction and the diffraction light direction (?)2 on the frequency f are obtained. From the (?)a-f relationship, the important design parameters, i.e., the Bragg bandwidth and the transducer length, can be determined accurately. The (?)a-f relationship shows good linearity, hence the previously proposed corrections on scanning linearity appear to be unnecessary.

    按声光偏转器的实际使用情况在入射光方向固定不变的条件下求解反常布拉格绕射的Dixon方程,得到起作用超声方向和绕射光方向随频率f的变化关系。由-f关系可精确决定声光偏转器的布拉格带宽和换能器长度等重要设计参数。所解出的-f关系具有良好的线性,因而以往所作关于矫正扫描线性的探讨显得多余。

    Theoretical analysis of and experiments on the fundamentals, efficiency, cross-modulation, inter-modulation and spectrum analysis of multiple-frequency acousto-optic Bragg diffraction are made and its application in laser high-speed printer illustrated.

    本文对多频声光布喇格衍射的原理、效率、交叉调制、互调制、频谱分析等进行理论分析和实验研究,并阐明其在激光高速印字机中的应用。

    This paper describes a high resolution soft -X-ray spectrometer with multiwire proportional chambers (MWPC) for detailed investigation of the impurity line radiation from tokamak. The spectrometer has a curved crystal Bragg diffraction structure of Johann type. The energy resolution of the spectrometer is less than 4.1eV at 6400eV, and the energy range is 2-8keV. The successive readout at each anode wire is used in MWPC. The permissible count rate is 106 photon/s. The spectrometer has an automatic record...

    This paper describes a high resolution soft -X-ray spectrometer with multiwire proportional chambers (MWPC) for detailed investigation of the impurity line radiation from tokamak. The spectrometer has a curved crystal Bragg diffraction structure of Johann type. The energy resolution of the spectrometer is less than 4.1eV at 6400eV, and the energy range is 2-8keV. The successive readout at each anode wire is used in MWPC. The permissible count rate is 106 photon/s. The spectrometer has an automatic record system.

    本文描述了一个用于托卡马克杂质谱线精细测量的高分辨软X射线谱仪。谱仪采用Johann型弯晶衍射结构,以多丝正比室作探测器件。其测量范围为2—8keV(1—6),能量分辨为4.1eV(在6.4keV处)。多丝正比室采用阳极丝逐丝读出法,位置读出精度2mm。谱仪配有自动数据记录系统。

     
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