研制了一套相位光栅型波前曲率传感器。
The wavefront curvature sensor comprising a phase defocus grating is designed and fabricated.
模拟了向列相液晶相位光栅的指向矢分布。
Director profiles of nematic liquid crystal phase gratings are simulated.
本文研究了向列相液晶中热致相位光栅产生的简并四波混频过程。
The degenerate four-wave mixing process due to thermal phase grating in nematic liquid crystals is studied.
其次分析影响相位光栅对准标记衍射效率的主要因素槽深、占空比和反射率；
Alignment signal of phase grating alignment mark and the factors of influece of alignment signal are analysed secondly;
提出了一种记录多方向全息相位光栅的新光路，详细介绍了此光路的调整方法。
A new recording system for generating the multidirectional holographic phase gratings is presented. An adjusting method of the system is discussed in detail.
当光栅常数较大时，光致电荷移动到暗区时需要更长的时间，相位光栅的响应较慢。
Compared with the large grating constant, the response time operates more slowly than the smaller grating con…
本文介绍了一种液晶相位光栅大屏幕投影系统，讨论了液晶相位光栅的基本衍射特性。
In this paper, liquid crystal phase grating large screen protection system is introduced, and its fundamental diffraction characteristics are discussed.
在顺电相光折变晶体中存储全息相位光栅是研制一种新型的电控全息光开关的有效途径。
The holographic grating storage in photorefractive crystal in paraelectric phase is an available approach to develop a new style electroholography switch.
研究了不同偏振全息模式下基于交联偶氮苯聚合物薄膜的相位光栅的形成机理、衍射效率和偏振特性。
The forming mechanism, diffraction efficiency and polarization characteristic of phase gratings written in cross-linked azobenzene copolymer films under different holography modes were studied.
光纤光栅是利用光纤材料的光敏性，在纤芯内形成空间相位光栅，它可以改变光波在光导纤维中的传输路径。
Optical fibre grating utilize photosensitive characteristic to form the space phase grating in the core, it can change the transmission route of the light wave in the light-transmitting fibre.
毕业与制造过程中的行为SUPRADUR像光学三维相位光栅，但他们有一个平面结构，因此特别不敏感的污染。
Graduations manufactured with the SUPRADUR process act optically like three-dimensional phase gratings, but they have a planar structure and are therefore particularly insensitive to contamination.
本文利用严格耦合波理论对用于光纤光栅制作的相位掩模的衍射特性进行了深入的研究。
The diffraction characteristics of the phase mask for UV-written fiber grating is investigated using rigorous coupled-wave theory.
运用严格的光栅衍射耦合波理论分析光栅的衍射特性，发现该方案不会引入相位畸变。
The rigorous coupled-wave theory is used to analyze the characteristics of grating diffraction, and the results indicate that this method produces no phase distortion.
论文给出了分析随机波前相位编码体光栅选择性衍射的一种方法。
A diffraction selectivity theoretical analysis method of volume gratings with wave front phase encoding is proposed.
同时，本文还计算出了这几种参数的误差容限，这对体积相位全息光栅的实际制作具有指导作用。
Furthermore, the paper offers the error limited of these parameters and they are good to guide practical fabrication of the volume phase holographic grating.
该方法的主要装置包括一个用于控制刻划机运动的光栅干涉仪和一个相位扫描机构。
The main devices of the method include a grating interferometer, which controls the ruling engine motion, and a phase scanning mechanism.
介绍了用相位掩膜方法制作光纤布拉格光栅(FBG)以及镀金的FBG温度传感器。
Fiber Bragg gratings (FBG) prepared in terms of a phase mask technique and the FBG temperature sensor with plating gold were introduced.
采用相位掩模版法实验研究了高非线性掺锗光子晶体光纤中布拉格光栅的制作。
Fabrication of the Bragg grating in a highly nonlinear photonic crystal fiber was investigated experimentally by phase mask method.
改变该数字光栅的相位，可实现莫尔条纹扫描，用多幅扫描图像可算出光斑图像整体中心。
Changing the phase of digital grating can realize Moire fringe scanning. The global center of beam pattern can be calculated by multi_frame scanning images.
采用相位扫描方法进行了变栅距光栅的刻划实验，并对刻划误差进行了初步的分析。
Make the ruling experiments for VLS grating using the phase scanning method. Analyze the ruling error primarily.
两节DF B激光器的调谐机理可根据波导光栅反射特性的基本相位和幅度来解释。
The tuning mechanism of two-segment DFB lasers is explained in terms of the fundamental phase and amplitude reflection properties of the waveguide gratings.
通过数值模拟，得到了随机相位误差对不同啁啾量的线性啁啾光纤光栅的影响。
With the help of computer simulation, the effects of random phase errors on the fiber Bragg gratings with different chirps are compared.
由于相位模板法仅使用一个光学器件，因而减少了光纤光栅制造系统的复杂性，是光纤布拉格光栅写入法中最有前途、使用最广泛并且具有本征稳定性的一种方法。
Using only one optic element, the phase mask provides a robust and inherently stable method for reproducing fiber Bragg gratings, and reduces the complexity of the fiber grating fabrication system.
聚合物单体由于光敏感性好、折射率调制度大和分辨率高等优点在全息聚合物光栅、光了晶体和光相位调制器等器件中得到广泛的应用。
Good photon sensitivity, large index modulation and high resolution make monomer in a number of applications such as holographic polymer grating, photonic crystal and light phase modulator.
本文介绍了一种利用计算机时钟脉冲细分光栅脉冲信号相位的方法——改进型时钟脉冲细分技术。
A method for subdividing the grating pulse signal by means of using computer clock pulse is presented in this paper.
值得注意的是在相位干涉法中，只用一块相位模板，就可以调整写入光纤布拉格光栅的波长。
It is noteworthy that the wavelength of the fiber Bragg grating would be tuned via only a phase mask in a phase mask interferometer.
本文通过计算机编程控制栅指电压，使液晶相控阵形成类似二元光栅的相位分布，实现对入射光的偏转。
Here deflecting a beam is accomplished by forming phase distribution that similar to binary grating phase's through modulating applied voltages.
运用相位掩模法刻蚀光纤光栅，该方法对光源的时间相干性和单色性要求较低，工艺简单，成品率高。
Fiber grating is manufactured by application of phase mask means, which is of low requirement of time coherence and monochromaticity for light-source, simple craft and high rate of finished products.
介绍了相位掩膜特性对光纤光栅(OFG)性能的影响。
In this article the influence of phase mask characteristic on OFG performance is introduced.
介绍了相位掩膜特性对光纤光栅(OFG)性能的影响。
In this article the influence of phase mask characteristic on OFG performance is introduced.
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