Synchronization of Bragg Acousto-optic Bistable Systems by Parameter Driven Method 利用参量驱动法实现Bragg声光双稳系统的混沌同步
Planar Waveguide Array with Bragg Grating and Its Fabrication Method by Laser Irradiation 平面波导阵列布喇格光栅及其光辐照制作方法
Using center of gravity method, the system make the precise orientation of laser spot come true. Optical Fiber Bragg Grating Sensor by Phase Mask Method 系统采用质心法,实现了激光光斑中心精确定位。采用掩模板制作的光纤布喇格光栅传感器
Fiber Bragg Grating Temperature Sensing System of Power Cables Based on Least Square Method 基于最小二乘法的电力电缆FBG传感测温系统
A Wide Range Fiber Bragg Grating Demodulation Method Based on Thin Film Filter 基于薄膜滤波器技术的大量程光纤布拉格光栅解调方法
A new type of in-place inclinometer based on fiber Bragg grating ( FBG) sensing technology and the related analysis method are presented. 首先介绍基于光纤布拉格光栅传感技术的新型原位测斜仪及其分析方法。
Dynamic strain caused Bragg wavelength shift demodulation device is summarized and the method to realize the very high demodulation resolution of Bragg wavelength shift is given. 总结了动态应力产生布拉格波长偏移的解调装置并提出用其实现微尺度计量所需要的高分辨力的布拉格波长解调方法。
Study of the Nonlinear Characteristics of Fiber Bragg Gratings by Transfer Matrix Method 用传输矩阵法研究光纤Bragg光栅的非线性特性
Optimization of Chirped Fiber Bragg Gratings by Asymmetrically Apodization Method 非对称切趾对啁啾光纤光栅特性优化的分析
The Microstructure Optical Fiber Bragg Grating ( MOFFBG) is simulated using beam propagation method ( BPM). 利用光束传播法对微结构光纤布拉格光栅谐振特性进行了模拟研究。
In this paper, the principle of fiber Bragg gratings ( FBG ′ s) tuning method based on elastic beam is analyzed, an axial strain transfer coefficient is introduced, and a wide-band FBG tuning without chirp by the method of part pure bending is proposed. 分析了基于弹性梁的光纤光栅调谐原理,引入了轴向应变传递系数的概念,提出利用部分纯弯曲调谐方法,可实现光纤光栅宽带无啁啾调谐。
Analysis of Superimposed Multi-wavelength Fiber Optic Bragg Gratings Using Martrix Method A new fiber optic current sensor based on a fiber optic Bragg grating and a magnetostrictive rod is reported. 多波长啁啾叠栅的矩阵分析本文提出并实验验证了一种利用新型材料制造的光纤电流传感器。
A fiber Bragg grating design method based on causality analysis 一种基于因果分析的光纤Bragg光栅设计方法
The operating principle of Fiber Bragg Grating Strain Sensor is introduced. A new demodulation method for Fiber Bragg Grating ( FBG) sensor, which is designed by making use of the linear decline section of an amplified spontaneous emission ( ASE) light source. 介绍了光纤光栅应变传感器的工作原理,提出了一种应用放大自发辐射光源(ASE)线性段对光纤光栅应变传感器进行解调的新方案。
The high-order Bragg Grating's reflective peak is observed, which proved the feasibility of this method. 论文设计并制作了高阶Bragg光栅,观察到了高阶Bragg的反射峰,可行性得到了证实。
Based on the principle of tunable fiber Fabry-Perot ( TF F-P) filter which scans the reflected peak of fiber Bragg grating ( FBG), a novel detection method is advanced. 基于可调谐光纤TFFabry-Pent(F-P)滤波扫描传感光纤Bragg光栅(FBG)反射峰的原理,提出一种新颖的探测方法,分别从动静态两方面监测传感FBG反射谱与TFF-P透射谱的合成谱。
From the point of view of fiber detection, we analyze some possible methods, such as the fiber-tip method, the optical mapping method, the fiber Bragg grating method. 本文从光纤的角度详细分析了各种可能的方法,比如端面法,声光衍射法,光纤光栅法等。
In the given reference wavelength range, wavelength of the tunable filter was calibrated by reference wavelength with high accuracy, and the relationship between the wavelength and the driving voltage was constructed, and Bragg wavelength of sensing FBG can be obtained with the linear interpolation method. 在参考波长区间,利用参考光栅的波长准确性高的特点,对滤波器输出波长进行校准,建立滤波器调谐波长与扫描电压的关系。传感光栅的Bragg波长可以通过线性插值求取。
Straight line fitting of fiber grating Bragg wavelength based on least square method 基于最小二乘法的光纤光栅Bragg波长直线拟合
The fiber Bragg gratings is fabricated on general monomode fibers by UV writing method. 通过紫外光写入的方式,在普通单模光纤上制备了光纤Bragg光栅。
The modal cutoff properties and exciting conditions of higher order resonant modes for Ge-doped photonic crystal fiber Bragg grating ( PCFBG) are investigated using beam propagation method ( BPM). 采用光束传播法研究了实心掺锗光子晶体光纤布拉格光栅(PCFBG)的模式截止特性。
Analysis of dual wavelength fiber optic Bragg grating using matrix method 双波长光纤光栅的矩阵分析
Analysis of apodized and chirped Bragg fiber gratings using matrix method 变迹啁啾Bragg光纤光栅的矩阵分析
The photonic band gaps of common Bragg fibers have been analyzed by using the plane wave expansion method ( PWM). 应用平面波法,分析了普通Bragg光纤的能带结构;
In addition, Bragg Brentano method can be affected by the diffraction geometry of the para focusing method, and the positive and the negative ψ parts of sin 2 ψ curve of the sample would split under zero stress condition. 准聚焦衍射几何也使得常规法在无应力情况下产生正、负ψ的sin2ψ曲线发生分离现象。
The photonic band gaps and modes of high-index core Bragg fibers were investigated by superlattice model accompany with plane wave method. 应用平面波法得到了Bragg光纤中光子能带结构;应用全矢量模型分析了高折射率芯Bragg光纤中的模式。
Study on the fabrication of Bragg gratings with phase mask method 相位掩模版法刻制光纤光栅的研究
Contrast metrical data of strain gauges and grating sensors, it is indicated that fiber bragg grating sensor can be a reliable method to measure turning force. 对比电阻应变片和光栅传感器测量数据,分析两种传感器测量的优缺点,验证了光纤光栅在铣削力测量方面的可测性和准确性。
Distributed bragg reflector ( DBR) and Fabry-Perot cavity were thoroughly analyzed by transfer matrix method. 运用传输矩阵法,深入的分析了分布布拉格反射镜原理和Fabry-Perot腔原理。
Secondly, in this paper we analyze several Bragg grating wavelength demodulation method, we have selected the fiber Fabry-Perot tunable wavelength demodulation filter program as the system solution and designed the optical system. 其次,比较了几种布拉格光栅的波长解调方法,选择可调谐法布里一珀罗腔滤波法作为系统波长解调的方案,并设计了光路。