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布拉格光栅
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  bragg grating
     Several options are available for realizing the multi /demultiplexing function, such as the MDTFF (Multiple Dielectric Thin Film Filter), FBG (Fiber Bragg Grating) and AWG (Arrayed Waveguide Grating),etc.
     现有的可以实现波分复用功能的器件结构有多种,如多层介质薄膜滤波器(MDTFF: Multiple Dielectric Thin Film Filter),光纤布拉格光栅(FBG: Fiber Bragg Grating),阵列波导光栅(AWG: Arrayed Waveguide Grating)等。
短句来源
     The experimental set-up was used to measure the peak-wavelength change of an fiber Bragg grating(FBG) strain sensor fixed on a cantilever. The static resolution of wavelength interrogation of the set-up was measured to be ±1 pm,and the dynamic resolution to be 27 nε/Hz at 10 Hz frequency;
     实验方案用于测量固定在悬臂梁上的传感光纤布拉格光栅(FBG)的峰值波长变化,获得了±1 pm的静态波长解调精度,在10 Hz处的动态分辨率为27 n/εHz。
短句来源
     The specific advantage of optical fiber hydrogen sensors in detecting hydrogen concentration is analyzed. Development status and application of optical fiber hydrogen sensors are broadly discussed. The operating principle of sensor is described briefly, and the structures, detecting principles and capabilities of several typical optical fiber sensors based on interference, microlenses, Bragg grating, etalon and evanescent field, respectively, are introduced.
     分析了光纤氢传感器在氢气浓度探测中显现的特殊优势,综述了目前国内外光纤氢传感技术发展的现状与应用,简述了光纤氢气传感器的工作原理,分别介绍了干涉型光纤氢传感器、微透镜型光纤氢传感器、布拉格光栅型光纤氢传感器、标准具型光纤氢气传感器以及渐逝场型光纤氢传感器的结构、检测原理及性能,展望了光纤氢传感器的广阔应用前景。
短句来源
     Simulation design for optical property of optic fiber Bragg grating based on LabVIEW 6.0
     基于LabVIEW6.0的光纤布拉格光栅光学特性的仿真设计
短句来源
     Each module consists of a M-Z interferometer(MZI) based on fiber Bragg grating(FBG),a 1×2 optical switch and a Y-model combiner.
     每个模块由基于光纤布拉格光栅(FBG)的M-Z干涉仪(MZI)、1×2的光开关和Y型合波器构成。
短句来源
更多       
  bragg gratings
     Two series concatenated fiber Bragg gratings (FBGs) are respectively adopted as reflectors of fiber laser cavity,the laser spectra are tuned with fixed wavelength spacing of(0.8 nm) based on Vernier effect by slightly mechanical tuning of front series concatenated fiber Bragg gratings.
     激光器采用两组级联光纤布拉格光栅(FBG)为反射腔镜,前腔镜各级联光纤布拉格光栅的布拉格波长间隔为1 nm,后腔镜为0.8 nm,利用游标原理,通过对前腔镜级联光纤布拉格光栅进行机械调谐,使前后腔镜各反射波长分别对准,实现了四个固定波长间隔为0.8 nm的离散调谐。
短句来源
     Study of Fiber Bragg Gratings Vibration Sensing Technology
     光纤布拉格光栅振动传感技术研究
短句来源
     Study on temperature compensation for fiber Bragg gratings
     光纤布拉格光栅温度补偿研究
短句来源
     Experimental Study on Cross-sensitivity of Temperature and Strain of Fiber Optic Bragg Gratings
     光纤布拉格光栅温度和应变交叉灵敏度的实验研究
短句来源
     Fiber Bragg gratings (FBG) prepared in terms of a phase mask technique and the FBG temperature sensor with plating gold were introduced.
     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.
短句来源
更多       
  fiber bragg grating
     Several options are available for realizing the multi /demultiplexing function, such as the MDTFF (Multiple Dielectric Thin Film Filter), FBG (Fiber Bragg Grating) and AWG (Arrayed Waveguide Grating),etc.
     现有的可以实现波分复用功能的器件结构有多种,如多层介质薄膜滤波器(MDTFF: Multiple Dielectric Thin Film Filter),光纤布拉格光栅(FBG: Fiber Bragg Grating),阵列波导光栅(AWG: Arrayed Waveguide Grating)等。
短句来源
     The experimental set-up was used to measure the peak-wavelength change of an fiber Bragg grating(FBG) strain sensor fixed on a cantilever. The static resolution of wavelength interrogation of the set-up was measured to be ±1 pm,and the dynamic resolution to be 27 nε/Hz at 10 Hz frequency;
     实验方案用于测量固定在悬臂梁上的传感光纤布拉格光栅(FBG)的峰值波长变化,获得了±1 pm的静态波长解调精度,在10 Hz处的动态分辨率为27 n/εHz。
短句来源
     Simulation design for optical property of optic fiber Bragg grating based on LabVIEW 6.0
     基于LabVIEW6.0的光纤布拉格光栅光学特性的仿真设计
短句来源
     Each module consists of a M-Z interferometer(MZI) based on fiber Bragg grating(FBG),a 1×2 optical switch and a Y-model combiner.
     每个模块由基于光纤布拉格光栅(FBG)的M-Z干涉仪(MZI)、1×2的光开关和Y型合波器构成。
短句来源
     The characteristics of the code words are analyzed,its comparisons with Hardmard,MQC,MFH,BIBD(m=2) made,tunable Fiber Bragg Grating(FBG) codec designed and the principle of coding and decoding explained.
     分析了码字特性,与Hardmard、MQC、MFH、BIBD(m=2)码做了比较,设计了可调谐光纤布拉格光栅(FBG)编解码器,阐述了编解码原理。
短句来源
更多       
  “布拉格光栅”译为未确定词的双语例句
     The sensitivities of the bare FBG and the FBG temperature sensor with plating gold K_ T are 0.0101 nm/ ℃ and 0.0283 nm/ ℃ respectively.
     裸光纤布拉格光栅和镀金FBG温度传感器的温度灵敏系数KT分别为0.0101nm/℃和0.0283nm/℃.
短句来源
     Experiment study on temperature compensation for FBGs
     光纤布拉格光栅温度补偿技术的实验研究
短句来源
     The sensitivities KT of two temperature sensors are 28.2 pm/ ℃ and 21.3 pm/ ℃ respectively during linear change,and they are 2.89 and 2.28 times as large as that of a bare FBG. Their pertinence coefficients are more than 0.999.
     两种传感器在线性变化区间的温度灵敏系数KT分别为28.2 pm/℃和21.3 pm/℃,分别是裸光纤布拉格光栅的3倍和2.3倍,它们的线性拟合度都超过0.999。
短句来源
     The results indicate that the strain coefficient of the FBG strain sensor is-0.718 5 με/pm,with excellent linearity up to 0.999 8.
     采用光纤布拉格光栅网络分析仪和低温应变仪,分别测量了液氮温度下菱形应变传感器的波长变化量和应变变化值,测得其应变系数为-0.718 5με/pm,线性度达到0.999 8。
短句来源
     1. The fundamental theory of the fiber gratings is introduced, the spectra of the FBG and long period grating(LPG) are analyzed by the coupling-mode theory, and the coupling-mode theory and the transmission matrix is used to explain the spectrum of the chirped fiber grating.
     本文主要以布喇格光纤光栅(FBG)为研究对象,对光纤光栅单点及阵列的传感、解调等进行了实验和理论研究,主要内容包括:介绍了分析光纤光栅特性的基本理论,用耦合模理论分析对均匀周期布拉格光栅和长周期光纤光栅的光谱特性,用耦合模和传输矩阵法分析了啁啾光栅的光谱特性。
短句来源
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  bragg grating
The Turning Error Effect of Reflectors in the Talbot Interferometer used for Writing Fiber Bragg Grating
      
The Talbot interferometer used for writing fiber Bragg grating (FBG) is analyzed effectively in this paper.
      
As the strain sensing element of a structural health monitoring, the study and the application of the fibre-optic bragg grating (FBG) have been widely accepted.
      
And we simulated the transmission model constructed with Erbium-doped fiber amplifier (EDFA) as the solo amplifier and the chirped fiber Bragg grating (CFBG) as the solo dispersion compensator used in the system.
      
Resolving the problem of cross sensitivity in fiber Bragg grating sensor based on the principle of polarized-light interference
      
更多          
  bragg gratings
As for the yttrium vanadate (YVO4) crystal polarized-light interferometer, if there are two different fiber Bragg gratings that have a π rad phase difference, one is used for strain sensor and the other is used for temperature compensating.
      
This work is devoted to issues related to development of measuring equipment for investigation of thermal and deformation processes with the help of sensors based on fiber Bragg gratings.
      
The reflecting properties of one-dimensional planar Bragg gratings are studied.
      
The reflection coefficients of the Bragg gratings vs.
      
A new method of forming refractive index gratings (type-IIA Bragg gratings) in the optical fiber by exposing it to intense UF laser radiation is suggested.
      
更多          
  fiber bragg grating
The Turning Error Effect of Reflectors in the Talbot Interferometer used for Writing Fiber Bragg Grating
      
The Talbot interferometer used for writing fiber Bragg grating (FBG) is analyzed effectively in this paper.
      
And we simulated the transmission model constructed with Erbium-doped fiber amplifier (EDFA) as the solo amplifier and the chirped fiber Bragg grating (CFBG) as the solo dispersion compensator used in the system.
      
Resolving the problem of cross sensitivity in fiber Bragg grating sensor based on the principle of polarized-light interference
      
This method can solve the problem of cross sensitivity in fiber Bragg grating sensor.
      
更多          


Bragg grating was photoimprinted on the core of hydrogen loaded commercialized communication fibers using 193 nm ArF excimer laser and silica phase mask. The obtained fiber grating has a reflectivity greater than 90%, and a FWHM bandwidth less than 0. 6 nm.

报道用193nmArF准分子激光,经过石英相位版的空间调制,在载氢增敏处理过的通信光纤上写入光致折射率变化的布拉格光栅,在光栅布拉格波长上(λ=1l.53μm)测得的反射率大于90%,半高全宽线宽小于0.6nm。

The new trend and development about fiber gratings for optical fiber communication system are introdnced.It is pointed out that Bragg gratings have been produced in optical fibers by exposing the core,througth the side of the cladding,to a coherent UVtwo beam interference pattern,near 244 nm.The cause of fabricating of fiber gratings is analysed.Because fiber gratngs are highly reflective,they can function as mirrors with frequency dependent reflectivities.It is systematically discussed that fiber gratings...

The new trend and development about fiber gratings for optical fiber communication system are introdnced.It is pointed out that Bragg gratings have been produced in optical fibers by exposing the core,througth the side of the cladding,to a coherent UVtwo beam interference pattern,near 244 nm.The cause of fabricating of fiber gratings is analysed.Because fiber gratngs are highly reflective,they can function as mirrors with frequency dependent reflectivities.It is systematically discussed that fiber gratings are used in optical communication system from source to optical amplifiers,receivers,wavelength division multiplexed(WDM) and soliton transmission systems.

介绍了国外光栅研究的最新进展和光纤光栅被应用于光通信系统中的新动向。阐明了布拉格光栅可以通过位于244nm的二束紫外光(UV-Laser)从光纤侧面对光纤曝光直接被写入光纤的芯中;分析了光纤光栅产生的原因,并指出光纤光栅具有很高的反射率,可以将这种布拉格光栅做为频率反射镜;还系统地分析了光纤光栅应用于光通信系统中的光源、放大器、波分复用(WDM)以及光孤子(Soliton)通信的原因

The fiber Bragg gratings (FBG) in domestic monomode photosensitive optical fibers were prepared in terms of a 248nm KrF excimer laser and a phase mask. Some FBGs with the reflectivity of 10% and the bandwidth of 0. 6nm were obtained.

利用相位模板,在248nmKrF准分子激光器光束的照射下,在国产高掺锗单模光纤中制作出了中心波长为1547nm,峰值反射率约为10%,带宽为0.64nm的折射率调制光纤布拉格光栅

 
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