两平行光栅对放大啁啾脉冲的压缩是产生超短超强激光的一个重要环节。
The compression of amplified chirped pulse by parallel grating pair is an important step in generating ultrashort ultrahigh intensity pulse.
倾斜光纤光栅对其中的光学传输特性会产生影响，从而影响光通信性能。
The effect of tilt on optical transmit characteristics in fiber grating, so on optical communicational characteristics.
根据失调拼接光栅对压缩系统模型，推导了拼接误差引起的角色散公式。
Base on the model of grating-pair compressor, the formula of angular dispersion caused by alignment errors was derived.
然后利用线性啁啾光纤光栅对色散的补偿原理、特性及其局限性作了定性分析。
That dispersion is compensated with linearly chirped fiber grating is analyzed qualively and its characteristic and limitations are discussed.
在MTS伺服机上进行了单轴压缩实验，借助光纤光栅对加载过程进行了测试。
Rock uniaxial compression experiment on MTS was conducted, and the loading course was tested by using FBG.
同时对零级深度金属光栅对太赫兹波透过特性进行了详细的理论推导和数值模拟。
At the same time, we theoretically analyze and numerically simulate the transmission properties of THz radiation pulses through very deep zero-order metallic gratings.
一束激光被分成几束子光束，每子光束具有不同的延时并用以不同方位放置的光栅对它编码。
A laser beam is split into several sub-beams, each of which has different delay time and is encoded by using a grating placed in different azimuth.
首先，在三维空间内利用光线追迹法，对刻线不平行而光栅面平行时的压缩光栅对进行研究。
Firstly, the system of parallel grating pair, in which the grating grooves is unparallel while the grating surfaces is parallel, has been studied with the tri-dimensional ray-tracing method.
以光纤中非线性效应为基础的脉冲压缩器可分为两大类，我们称之为光纤-光栅对压缩器和孤子效应压缩器。
The pulse compressors based on the nonlinear effects in optical fibers can be classified into two broad categories, referred to here as fiber-grating compressors and soliton-effect compressors.
结果表明，当光栅对刻线失配时，且只考虑二阶色散的影响时，初始啁啾导致脉冲宽度小于无初始啁啾脉冲的宽度。
The simulations show that when the grating grooves are unparallel, the original chirp leads to the pulse width smaller only considering GDD.
对于那些对安全光栅感兴趣的工场主而言，要注意的是自动化单元可能在意想不到的情况下停止工作。
For those interested in light curtains, take note that they could be going off when least expected.
应用耦合模理论和传输矩阵法计算模拟了长周期光纤光栅的透射谱，并对其进行了切趾优化。
Based on the coupled-mode theory, the transfer-matrix method is used to calculate the transmission spectra of phase-shifted long-period fiber gratings (LPFG).
金属包层长周期光纤光栅可用于对谐振波长的调谐。
Metal coated long period fiber gratings (LPFG) can be used to change the resonance wavelength.
首先对图纸的光栅图像进行字符分离，利用均匀网格方法抽取字符特征，用BP神经网络进行训练和识别。
After characters are divided from the raster image, the features of characters are extracted by symmetrical grids and then are inputted into BP neural network for further analysis.
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.
阐述了温度补偿封装技术的基本原理和结构设计方法，并对封装后的光栅作了温度性能测试。
The principle and structure design of temperature compensation package for FBGs are expatiated, temperature characteristic of packaged FBGs is measured.
实验研究了铝膜厚度对衍射光栅闪耀效率的影响，给出了铝膜厚度系数的最佳范围。
It also represents the influences of aluminum film thickness on blazed efficiencies of the ruling diffraction gratings and provides proper ranges of the thickness factors.
该文应用傅里叶光学原理对扩展光源照明下光栅的成象特性作了分析，并由此设计出一种新型的光栅成象型位移传感器。
Basedg on Fourier optical principle, the imaging property of grating illuminated by expansion source is analysed in this paper. Hence an innovative grating imaging displacement sensor is designed.
运用传输矩阵理论，对取样啁啾光纤光栅的传输特性进行了模拟研究。
On the basis of the transfer matrix theory, the authors have studied the transmission properties of the sampled chirped fiber grating.
光栅制作时引入的综合噪音对输出质量的影响及各衍射级能量的不均衡问题尚待进一步改进。
What remain to be improved are the effect of the general noise in grating-making on the output quality and the imbalance of diffraction order intensity.
利用改进的耦合波理论计算了具体器件结构中光栅形貌对二级光栅耦合系数的影响。
Modified coupled-wave equations are used to calculate the effect of grating shape on coupling coefficient of the second-order gratings.
通过原子波之间非线性耦合相互作用，这种结构可以表现为物质波光栅，对其周期的原子波产生衍射现。
Through the nonlinear coupling interactions between atomic waves, the structure appears as the matter wave gratings, and diffracts its surrounding atomic waves.
设计光栅测试系统，对压电马达样机进行运动测试，试验结果证实了模拟结构的正确性。
A grating testing system was designed to test the piezoelectric motor. The experimental results prove that the simulations are true.
报道一种利用双侧悬臂梁展宽光纤光栅带宽实现对挠度和应力线性传感的新方法。
A new linear sensing method of deflection and stress, in which the fiber grating bandwidth is stretched by using bilateral cantilever beam, is reported.
利用啁啾光纤光栅，对带啁啾的超高斯脉冲的色散补偿特性进行了理论分析和数值模拟。
By using the chirped fiber grating, theoretically study and numerical simulation have been made on the compensating dispersion property of chirped super Gaussian pulses transmitting in the fiber.
特别研究了光栅周期和厚度对波导共振模式角分辨调谐速率的影响。
In particular, the influence of the grating period and waveguide thickness on the tuning rate of the resonance waveguide mode was charatcerized.
理论研究与实验结果表明，光纤光栅的带宽对挠度及外力均很敏感，并呈线性关系。
The theoretical studies and the experimental results show that the bandwidth of fiber grating is sensitive and linear to deflection and lateral force.
固定在工作台上的全息衍射光栅实现了对工作台位移的高精度闭环检测。
A reflecting hologram diffraction grating was fixed to the stage to form a closed loop displacement measuring system.
固定在工作台上的全息衍射光栅实现了对工作台位移的高精度闭环检测。
A reflecting hologram diffraction grating was fixed to the stage to form a closed loop displacement measuring system.
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