Optic-fiber gratings sensor is very convenient for application .
光纤光栅传感器集传感与传输于一体，应用非常方便。
The characters of chirped Moire fiber gratings (CMFG) are analyzed entirely.
较全面地分析了啁啾莫尔光纤光栅的特性。
A simple and feasible installation for coating the fiber gratings is designed.
设计了一种简易可行的光纤光栅涂覆装置。
Thus, the studies on theory and application of fiber gratings become very important.
因此，光纤光栅的理论和应用研究具有重要的实际意义。
Metal coated long period fiber gratings (LPFG) can be used to change the resonance wavelength.
金属包层长周期光纤光栅可用于对谐振波长的调谐。
The evolution of picosecond pulses in cascaded fiber gratings has been simulated and analyzed.
给出了基于均匀级联光纤光栅的全光纤可调谐脉冲压缩器的结构设计。
The fabricated sampled fiber gratings have uniform wavelength spacing and good spectrum profile.
研制的取样光栅波长间隔均匀，具有良好的谱特性。
Optic fiber gratings sensor has many unique advantages, and is one of the most applied sensors in recent years.
光纤光栅传感器具有许多独特优点，是近年来应用较多的一种传感器。
A novel all fiber interleave filter using Mach Zehnder based sampled fiber gratings was proposed and fabricated.
提出了一种基于光纤马赫曾德尔干涉仪和取样光纤光栅的新型全光纤梳状滤波器。
To obtain larger dispersion, chirped fiber gratings with longer length and smaller chirp coefficient are required.
结果表明要获得较大的色散，要求光纤光栅有较长的长度和较小的啁啾。
Using this method, we can realize the low crosstalk multi-wavelength dispersion compensators based on fiber gratings.
使用该方法可以得到具有低串扰的多波长光纤光栅色散补偿器。
By reconstruction of fiber gratings, various fiber grating devices, which have different spectral shapes, can be designed.
通过对光纤光栅的重构，还可以设计出各种具有不同光谱特性的光纤光栅器件。
In recent years, fiber gratings have shown an enormous potential on sensing applications in smart structures and composite materials.
近年来，光纤光栅在建筑和桥梁领域的应用显现出很大的潜力。
When the broad band light source is input, the VEDFA gain characteristics in the two fiber gratings different wavelength difference are obtained.
在输入宽带光源时，得到两光纤布拉格光栅在不同中心波长之差时的掺铒光纤放大器的增益特性。
Therefore, it is very important to design fiber gratings that meet specific time-delay characteristics from the viewpoint of practical applications.
因此，设计符合系统时延特性光纤光栅的研究具有重要的实际意义。
The longer the fiber gratings are, the smaller period of dispersion ripples they have, and subsequently the much less the influence on CATV signals.
此外还发现，长光栅对应的抖动周期小，因此对信号的影响也小；
An improved method of cascaded long-period fiber gratings (LPFGs) is proposed, which can effectively broaden the resonant spectrum bandwidth of LPFGs.
采用级联多个长周期光纤光栅的方法有效拓宽了长周期光纤光栅反射谱带宽。
Frequency response characteristics of linearly chirped fiber gratings with different distributed coupling coefficients have been analyzed numerically.
针对光栅不同的耦合系数分布，数值分析了分布耦合系数对线性啁啾光栅频率响应特性的影响。
The dispersion of linearly chirped fiber gratings with different coupling profiles is studied theoretically and numerically using coupling mode equations.
利用耦合模方程，对具有不同耦合系数的线性啁啾光纤光栅的色散特性进行了理论和数值分析。
Chirped fiber gratings have been considered as one of the most practical schemes to compensate the dispersion of standard telecommunication optical fiber.
啁啾光纤光栅被认为是目前最有实用价值的色散补偿方案之一。
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。
Based on the coupled-mode theory, the transfer-matrix method is used to calculate the transmission spectra of phase-shifted long-period fiber gratings (LPFG).
应用耦合模理论和传输矩阵法计算模拟了长周期光纤光栅的透射谱，并对其进行了切趾优化。
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。
The results show that it is suitable to write azopolymer long-period optical fiber gratings using the polarization direct writing method and amplitude mask method.
结果表明：目前比较适合用于偶氮苯聚合物长周期光纤光栅刻写的方法有偏振直写法和振幅掩模法两种。
This installation is compact and flexible low-cost, especially fits for coating longer fiber gratings once and for all. And the thickness of the coat is adjustable.
该装置简单灵活，成本较低，尤其适合于长度较长的光纤光栅的一次性涂覆，涂层厚度灵活可调。
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。
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 development of fiber gratings writing technology is summarized. The photosensitive mechanism, in-grating sources and fabricated methods of fiber grating have been reviewed as well.
概述了光纤光栅写入法的研究情况，总结了光纤光栅的制作技术，对光纤的光敏性、成栅的光源和光纤光栅的各种写入方法进行了详细地介绍。
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。
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。
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