反射中心波长 reflected central wavelength(1) 目前没有对本词条修改信息

reflected central wavelength     The reflectivity expression of the fiber Bragg grating is obtained from the coupled mode theory. And the reflective properties of the fiber Bragg grating are educed from this expression. The reflected central wavelength is λ_B=2·n_(eff)·Λ.     阐述了由耦合模理论得到的光纤Bragg光栅的反射率的表达式 ,并且由此表达式导出了光纤Bragg光栅的反射特性 ,反射中心波长为λB=2 ·neff·Λ。 短句来源   “反射中心波长”译为未确定词的双语例句     We have demonstrated that using a broadband light source to interrogate an LPFG with resonance wavelength λ LP =1550nm and two FBGs with center waveleongeh λ B1 =1540nm and λ B2 =1560nm,with a fiber Fabry Perot filter scanning reflective light from fiber grating sensor,obtaining the strain and temperature errors of ±10μ∈ and ±1.5℃ respectively.     实验中用一宽带半导体激光器驱动一损耗中心波长为λLP＝1550nm的长周期光栅和两个反射中心波长分别为λB1＝1540nm和λB2＝1560nm的光纤布拉格光栅。 信息处理部分采用光纤平面法—珀滤波器进行波长扫描测量。 短句来源     Al_(0.3)Ga_(0.7)N/GaN and AlN/GaN distributed Bragg reflectors(DBR) with a target center wavelength of 500nm were designed,and simulation with a transfer-matrix-method(TMM) was performed to give their spectral reflectivity.     设计了反射中心波长为500nm的A l0.3Ga0.7N/GaN和A lN/GaN两种分布布拉格反射镜(DBR),并采用光学传递矩阵方法对其光谱反射率进行了理论上的模拟。 短句来源     5.An uniform density and thickness isosceles triangle cantilever beam is designed to realize linearly tuning of Bragg wavelength of fiber grating with no-chirped by adjusting the deflection or the applied force of the free end that is the vertex part of the triangle.     6.利用均质、等厚、等腰梯形悬臂梁对刚性粘贴其表面的光纤光栅的布喇格反射中心波长在6.52nm(1557.68nm~1564.2nm)范围内进行了线性调谐,同时带宽为0.52nm的均匀周期的光纤光栅被调谐成带宽为2.52nm的啁啾光栅,且啁啾量可调。 随着带宽的增加,反射谱的峰值功率呈减弱的趋势。 短句来源     As one of the most rapidly developed passive fiber devices in recent years, Fiber Bragg grating (FBG) can reflect special wavelength which changes with temperature or strain.     光纤光栅是近几年发展最为迅速的光纤无源器件之一。 由于光纤光栅对特定波长的光具有反射作用，并且其反射中心波长随着温度、应力等物理量的变化而变化，具有优良的温度和应变响应特性，所以它在传感领域有着广泛的应用前景。 短句来源     A proposal of simultaneous measurement of strain and temperature distributions in smart structures using fiber gratings and Raman scattering is presented. The temperature only dependent Raman scattering can uncouple the dual dependence of the reflection central wavelength shift of fiber Bragg gratings on strain and temperature. Spatial resolution matching between Raman scattering systems and fiber Bragg gratings is theoretically analyzed in detail.     提出了一种把光纤光栅和Raman散射相结合来实现对智能结构的应变和温度分布进行同时测量的方案，用测量只与温度有关的Raman散射得出的温度来解耦光纤光栅的反射中心波长对应变和温度的双重依赖关系，并着重分析了Raman散射与光纤光栅联合使用用时在空间分辨率上的匹配问题。 短句来源 更多        查询“反射中心波长”译词为用户自定义的双语例句     我想查看译文中含有：的双语例句

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A proposal of simultaneous measurement of strain and temperature distributions in smart structures using fiber gratings and Raman scattering is presented. The temperature only dependent Raman scattering can uncouple the dual dependence of the reflection central wavelength shift of fiber Bragg gratings on strain and temperature. Spatial resolution matching between Raman scattering systems and fiber Bragg gratings is theoretically analyzed in detail.             提出了一种把光纤光栅和Ｒａｍａｎ散射相结合来实现对智能结构的应变和温度分布进行同时测量的方案，用测量只与温度有关的Ｒａｍａｎ散射得出的温度来解耦光纤光栅的反射中心波长对应变和温度的双重依赖关系，并着重分析了Ｒａｍａｎ散射与光纤光栅联合使用用时在空间分辨率上的匹配问题。 文摘来源          This paper reports a hybrid fiber Bragg grating (FBG) and long period fiber grating (LPFG) sensor system for simultaneous mesearing strain and temperature of the oil/gas bottomhole.We have demonstrated that using a broadband light source to interrogate an LPFG with resonance wavelength λ LP =1550nm and two FBGs with center waveleongeh λ B1 =1540nm and λ B2 =1560nm,with a fiber Fabry Perot filter scanning reflective light fro...             本文报导了用光纤布拉格光栅和长周期光栅结合的传感器系统对油气井下应力和温度实现同时在线检测。实验中用一宽带半导体激光器驱动一损耗中心波长为λＬＰ＝１５５０ｎｍ的长周期光栅和两个反射中心波长分别为λＢ１＝１５４０ｎｍ和λＢ２＝１５６０ｎｍ的光纤布拉格光栅。信息处理部分采用光纤平面法—珀滤波器进行波长扫描测量。获得应力和温度的误差分别为±１０μ∈和±１．５℃。 文摘来源          A kind of uniform density and             设计了一种均质、等厚、等腰三角状悬臂梁，调节该梁自由端的挠度，实现了光纤光栅布拉格反射中心波长的线性无啁啾调谐（调谐范围４．５０ｎｍ）。引入修正因子η＝０．７１后，理论值与实验结果基本一致。光栅与梁间刚性粘贴的质量影响反射谱形状。 文摘来源   << 更多相关文摘

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