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1)  Sampled Fiber Gratings (SFBG)
取样光纤Bragg光栅(SFBG)
2)  Superstructure Fiber Bragg Grating(SFBG)
超结构光纤Bragg光栅(SFBG)
3)  rectangle sampled grating
矩形取样Bragg光纤光栅
4)  fiber Bragg grating(FBG)
光纤Bragg光栅
1.
To test the deformation of similar material in simulation experiments,the testing method was presented with naked or certain structure fiber,or fiber Bragg grating(FBG) embedded in rock layers of models based on optical time domain reflectometer(OTDR) and optical fiber grating sensing technology.
为了解决相似材料模拟实验中的变形检测问题,基于光时域反射技术和光纤光栅传感技术,提出了在模拟实验中采用裸露光纤、一定结构光纤及光纤Bragg光栅作为传感器进行变形检测的方法,研究并分析了以上类型光纤传感器在1。
2.
Packaged optical fiber Bragg grating(FBG) strain gauge with good properties of high durability,low cost and reliable installation is in the great need of practical long-term structural health monitoring(SHM) system for civil infrastructures,especially for those under harsh construction and service environment,such as corrosion,high fatigue,etc.
为了适应量大面广的重大土木工程结构的长期健康监测,特别是克服恶劣的施工与服役环境(如,腐蚀、疲劳等),封装的光纤Bragg光栅(FBG)应变计不仅必须要有很好的测试精度、布设可靠等特性,还必须具有优越的性价比。
3.
On the basis of introducing the basic principle and advantages of fiber Bragg grating(FBG)sensing technology,the layout schemes of FBG and temperature compensation technology in the Bainijing Tunnel No.
在阐述光纤Bragg光栅(FBG)传感技术的工作原理和优点的基础上,以昆明白泥井3#隧道为实例,提出FBG传感器在隧道内的铺设方案及温度补偿技术。
5)  fibre Bragg grating
光纤Bragg光栅
1.
The strain and temperature responses of fibre Bragg grating(FBG) are a nalyzed.
分析了光纤Bragg光栅的应变响应原理,通过实验观察光纤光栅粘贴在厚度不均的悬臂梁上产生的双峰响应,证明悬臂梁结构的不均匀会使整个光纤光栅受到不同的应力而产生两个反射峰,并且两个反射峰之间的距离随着应力的增加呈线性变化。
6)  fiber Bragg grating
光纤Bragg光栅
1.
A differential fiber Bragg grating settlement gauge;
差动式光纤Bragg光栅沉降仪
2.
Development of a portable wavelength demodulation instrument for fiber Bragg grating;
便携式光纤Bragg光栅波长解调仪的研制
3.
Research on the detection of fiber Bragg grating array using optical time domain reflection technology;
光纤Bragg光栅阵列的光时域反射探测技术研究
补充资料:Bragg equation
分子式:
CAS号:

性质:在将三维晶格分解为以(h*k*l*)作为(晶面)指标的一组平面格子的基础上,衍射指标为h=nh*,k=nk*、l=nl*(n为整数)的衍射方向相对于晶面(h*k*l*)有类似反射(定律)的关系。但衍射与反射不同之处在于衍射角θhkl需受下列条件的制约,是为布拉格方程2dhh*k*l*sinθhk*nk*nl*=nλ,n=0,±1…。式中λ是X射线波长,dh*k*l*是晶面间距。

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