渐变周期弯曲光栅,curved grating with gradually changing periods
1)curved grating with gradually changing periods渐变周期弯曲光栅
1.Diffraction and imaging characteristic ofcurved grating with gradually changing periods渐变周期弯曲光栅的衍射和成像特性
英文短句/例句
1.Diffraction and imaging characteristic of curved grating with gradually changing periods渐变周期弯曲光栅的衍射和成像特性
2.Effect of Bend on Transmission of Long-period Fiber Grating;弯曲对长周期光纤光栅透射特性的影响
3.A chirp grating is placed inside a multimode interference( MMI) structure to shorten the device length and increase wavelength tolerance.爲了缩短组件长度并增加波长变动容忍度，我们在多模干涉结构里面旋转一个周期渐变光栅。
4.Long-period fiber grating atmospheric pressure sensor based on micro-bending characteristic基于盒膜结构的微弯式长周期光纤光栅气压传感器研究
5.Simultaneous Measurement of Temperature and Strain by Two LPFGs;双长周期光纤光栅对温度与应变的同时测量
6.A Pressure Sensor Based on Long-period Fiber Grating with Rotary Refractive Index Change基于旋转折变型长周期光纤光栅的压力传感器
7.Strain and Temperature Sensitivities of Long Period Fiber Grating长周期光纤光栅应变和温度传感灵敏度研究
8.In measuring the pipeline curvature, the FBG sensor may be twisted due to sustaining bending deformation.在测量地下管线的离散点曲率时，光纤光栅传感器除了承受弯曲变形外，还会发生扭转的情况。
9.Simultaneous Measurement of Strain and Temperature Using a Long-Period Fiber Grating with Rotary Refractive Index Modulation旋转折变型长周期光纤光栅实现应变和温度的同时测量
10.Theory and experiment of refractive index change of long-period fiber grating induced by CO_2 laser pulsesCO_2激光写入长周期光纤光栅的折变理论及实验研究
11.Theory and fabrication of long period fiber grating with rotary refractive index modulation induced by CO_2 laser pulsesCO_2激光写入旋转折变型长周期光纤光栅的制作及理论分析
12.Analysis and Experiment of Surface Bending of Grating Light Modulator光栅光调制器的表面弯曲度分析及实验
13.A Humidity Sensor Based on Ultra-Long-Period Fiber Gratings with Asymmetric Refractive Index Modulation基于非对称折变型超长周期光纤光栅的湿度传感器
14.Possibility of Undulator Radiation as Short Length Laser by Periodically Bent Crystal周期弯曲晶体的摆动场辐射作为短波长激光的可能性
15.Study of Long Period Fiber Gratings and High Order Waveguided Bragg Gratings;长周期光纤栅的研究与波导Bragg光栅初探
16.Research on Sensing Properties of Polymer Long-period Fiber Grating;长周期塑料光纤光栅的传感特性研究
17.Study on Transmission Spectrum of Cascaded Long-period Fiber Gratings级联型长周期光纤光栅传输谱的研究
18.Liquid Sensor of Long Period Fiber Grating基于长周期光纤光栅的液位传感研究
相关短句/例句
chirped gratings变周期光栅
3)period-variable grating周期可变光栅
1.Aperiod-variable grating actuated by a shape memory alloy (SMA) is designed and fabricated.设计制作了一种用形状记忆合金驱动的周期可变光栅。
4)Gradual periods渐变周期
5)Twisted long-period fiber grating扭曲长周期光纤光栅
6)Grating period光栅周期
1.The single beam s coupling efficiency is the key to the combined output power in incoherent fiber laser beam combination system,which is affected by focal length of lens,grating period and light spot radius.单光束耦合效率是决定非相干组束系统输出功率的关键,它受到透镜焦距、光栅周期和光斑半径等参数的影响。
2.Though theoretic analysis and numerical simulations,it has been proved that the precise control of deviation angles of central laser beam and combining beam plays an important role in increasing the diffraction efficiency,higher diffraction efficiency correspond to larger grating period and smaller grating thickness.通过理论分析和数值仿真,结果表明对中心激光入射角偏移及组束光角偏移的精确控制是提高光栅衍射效率的光健,高的衍射效率对应较大的光栅周期和较小的光栅厚度。
3.Through theoretical analysis and numerical simulations,it is proved that the lower lateral off-set,defocusing and lens focus,and the higher grating period would be advantageous,also an optimum spot radius exists which corresponds to a maximum value of coupling efficiency.理论分析及仿真研究结果表明,较小的高斯模场纵向偏移、离焦度和透镜焦距,较大的光栅周期对提高耦合效率是有利的,并且还存在最佳的光斑半径。
延伸阅读
变分原理(复变函数论中的)变分原理(复变函数论中的)omplex function theory) variational principles (inf日In}F(O(只，t)，0)l}乙+:d乙=】nll，—}——，厂:’、一几t)〔.匕，日亡卜OC一“C’日当r，0时下*(:、，t)/:在B*的紧子集上一致地趋于0(k一1，2).该结果已被推广到二连通区域(13」).若加以进一步的限制，就能得到映射函数在B、(t)内关于表征所考虑区域边界形变的参数的展开式余项的估计式(在闭区域内一致)(【4」).份卜注】存在大量的变分原理，见【A3}第10章.亦可见变分参数法(variation一parametrie nlethod);肠”ner方法(幼wner Tnetl〕ed);内变分方法(internalvariations，服t】1‘对of).还可见边界变分方法(boundary variations，me-tll‘xlof).M.schiffer对单叶函数的变分方法做出了重要的贡献，见〔A3」第10章.变分原理(复变函数论中的)Ivaria石0“目州址妙es(加e网Plex五叮‘6佣山印ry);。即“a双“OHH从e nP一”u“nHI显示在平面区域的某些形变过程中那些支配映射函数变分的法则的断语.主要的定性变分原理是ljxlelbf原理(Linde场fpnnciPle)，可描述如下.设B*是z*平面上边界点多于一点的单连通区域，06B*，k=1，2;设二(;，B*)是对于B*的Green函数的阶层曲线，即圆盘王心川C!<1}到B*而使原点保持不变的单叶共形映上映射下圆周C(r)二{乙:{心}二;}的象，o<;<1.进而设函数f(:，)实现B，到B:的共形单射，f(0)‘O，在这些假定下有:l)对于L(:，B，)上任一点:?，存在位于阶层曲线L(:，BZ)上(这仅当f(B，)二BZ才有可能)或其内部的一点与之对应;及2){f’(0)1蕊}夕‘(0)}，其中g(:，)满足g(0)二o是Bl到 BZ的单叶共形映射(等号仅当f(B1)=B:时成立).Lindebf原理系从Rien坦nn映射定理(见Rle-n.lln定理(Rierl飞幻In theorem))与Sdlwarz引理(Schwarz lemrr必)推出.相当精细的构造使之能够求出由被映射区域的给定形变所引起的映射函数的逐点偏差.定量的基本变分原理系由M.A.几aBpeHTbeB(〔1」)获得(亦可见【2])，可叙述如下，设B:是具有解析边界的单连通区域，0任B!.假定存在给定区域族B，(r)，0‘Bl(r)，0(t蕊T，T>O，B;(0)二B，，具有JOrdan边界rl(t)={:一z，=0(之，t)}，0(又续2兀，0(0，t)二Q(2二，r)，其中Q(又，r)关于t在t二O可微且对又是一致的;设F(::，t)，F(0，t)=0，F:.(0，t)>O，是把B，(t)单叶共形映射为BZ二{22:I:21
