Distributed sensors is one of important applications of fiber Bragg gratings.
分布式传感器是光纤光栅的重要应用方面之一。
The optimum design of positions of fiber Bragg gratings for gain equalizing is also discussed.
用于增益均衡的光纤布拉格光栅的最佳位置的设计也被讨论到。
Fiber Bragg gratings have potentially important applications in optical telecommunication systems.
光纤光栅在远程光通信系统中有着重要的现时和潜在的应用。
This paper presents a method of the displacement measurement using the technology of fiber Bragg gratings.
介绍了一种基于布喇格光纤光栅技术的位移测量方法。
The plane wave expansion method is used to analyze the photonic crystal, and is translated into the scope of the fiber Bragg gratings.
利用平面波展开法对光子晶体进行理论研究,将研究方法移植到光纤布拉格光栅上,并对其进行数值分析,得到光栅的传输特性。
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。
With the help of computer simulation, the effects of random phase errors on the fiber Bragg gratings with different chirps are compared.
通过数值模拟,得到了随机相位误差对不同啁啾量的线性啁啾光纤光栅的影响。
Fiber Bragg gratings introduced make the technologies great change in the fields of optical fiber communication and optical fiber sensors.
光纤光栅的出现使光纤通信和光纤传感技术有了很大的变化。
By using the strain-sensitive characteristics of fiber Bragg gratings(FBG), a metal corrosion sensor is proposed and demonstrated in this paper.
介绍了一种基于光纤布拉格光栅(FBG)应变敏感特性的金属锈蚀传感器。
Pulse broadening due to fiber dispersion is analyzed. The principle of dispersion compensation using chirped fiber Bragg gratings is introduced.
分析了由于光纤的色散引起的脉冲展宽,并介绍了啁啾布拉格光纤光栅进行色散补偿的基本原理。
In recent years, fiber Bragg gratings (FBGs) have shown an enormous potential for sensing applications in smart structures and composite materials.
近年来,光纤光栅在用于建筑和桥梁领域的传感应用方面显示出很大的潜力。
Polarization mode dispersion (PMD) in fiber Bragg gratings (FBG) is investigated with the emphasis on the PMD of chirped FBG dispersion compensators.
对光纤光栅的偏振模色散特性进行了深入的研究,特别是啁啾光纤光栅色散补偿器的偏振模色散。
Tilted fiber Bragg gratings (TFBGs), a kind of fiber gratings, have many unique advantages in addition to characteristics of ordinary fiber Bragg grating (FBG).
倾斜光纤光栅(TFBG)是光纤光栅的一种,它除了具有普通光纤布喇格光栅(FBG)的特点之外,还有许多独特的优点。
Firstly, basic transmission equation of transmitted light is given using coupled-mode theory in Fiber Bragg Gratings and physics meaning of every parameter is given.
本文第一部分运用耦合模理论推导了在光纤光栅中传播的光的基本传输方程以及给出各个参数的物理意义。
The interrogation technique was based on the use of two (or more) wavelength-matched fiber Bragg gratings (FBGs) to receive the reflected signal from the sensing FBG.
该技术利用两个(或多个)与传感光栅匹配的布喇格光纤光栅作为解调元件。
This work is very useful to the application for fiber Bragg gratings in the large range of temperature, it therefore has important scientific and practical significance.
这项工作和光纤布拉格光栅在高温条件下的工程应用紧密相关,对今后研究、制作高性能光纤布拉格光栅具有一定的科学和实际的指导意义。
A general model for fiber directional coupler with fiber Bragg gratings in its arms is presented. The output expression of any arm is obtained when input is from an arm.
提出了臂内含有光纤光栅的方向耦合器的一般模型,推导了任意端口输入时任何一端口的输出表达式。
Effects of dispersion decreasing and loss on Transmission of Bragg solitons in fiber Bragg gratings is analyzed by simulating numerically the transform of Bragg solitons.
本文着眼于这一机制,运用有限差分法对光纤光栅中布拉格孤子的传输进行数值模拟,进而研究光栅色散渐减和损耗对布拉格孤子传输的影响。
The resonance equation of the sampled fiber Bragg gratings is derived through the Fourier′s transform and the coupled-mode theory, which determine the wavelengths of the resonance peaks.
利用傅里叶变换和耦合模理论得到了取样布拉格光纤光栅的谐振方程,确定了其多谐振峰的位置。
And characteristic of relative between two fiber Bragg gratings is analyzed and discussed, which provide a basis for the resolve of the cross sensitivity problem between temperature and strain.
并且还对两光栅之间的关联特性进行了分析,为解决交叉敏感问题提供依据。
The fiber laser takes the advantage of high accurate wavelength, fast tuning and low cost. More widely wavelength tuning can be achieved by adding the numbers of concatenated fiber Bragg gratings.
这种光纤激光器具有波长调节准确,调谐速度快,成本低的优点,可用于作为多波长光纤传输系统的发射光源或系统检测光源,进一步增加级联光栅的组数可实现更大调谐范围。
Using only one optic element, the phase mask provides a robust and inherently stable method for reproducing fiber Bragg gratings, and reduces the complexity of the fiber grating fabrication system.
由于相位模板法仅使用一个光学器件,因而减少了光纤光栅制造系统的复杂性,是光纤布拉格光栅写入法中最有前途、使用最广泛并且具有本征稳定性的一种方法。
On the basis of the coupled mode theory, the finite-difference method is used to simulate the transmission of Bragg bright solitons in parabolic squared-apodization fiber gratings.
本文在耦合模理论的基础上,运用有限差分法数值模拟了布拉格亮孤子在抛物线平方变迹光纤光栅中的传输特性。
The result shows that the constituent lasers can be coherently combined when the Bragg wavelength difference between the two fiber gratings is small enough.
结果表明,当两个子激光器的可调谐光纤光栅反射的布喇格波长差小到一定程度时,两个子激光器就可以实现相干锁定。
Output optical pulses from the laser can switch between two wavelengths determined by the Bragg wavelengths of two fiber gratings in the ring at the rate of 105 per second.
同一个光纤环形激光器输出的由光纤光栅布喇格波长决定的两个不同波长的光脉冲可以每秒十万次的速度切换。
Output optical pulses from the laser can switch between two wavelengths determined by the Bragg wavelengths of two fiber gratings in the ring at the rate of 105 per second.
同一个光纤环形激光器输出的由光纤光栅布喇格波长决定的两个不同波长的光脉冲可以每秒十万次的速度切换。
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