Two fiber

Study on Strain Measurement Using Dynamic Demodulation Technique with Two Fiber Gratings

应用平衡双光纤光栅动态解调技术测量应力的研究

Phase-Locking and High Coherent Power Output of Two Fiber Lasers

两个光纤激光器的相位锁定及高相干功率输出

Coherent combining and closed loop controlling of two fiber lasers

两个光纤激光器的相干合成及其闭环控制

Experimental research on phase detection and correction of two fiber amplifier based on active segmented mirrors

基于能动分块反射镜的两路光纤放大器相位探测及其相干合成实验研究

Ablation threshold measurement and Absorption characteristic analysis of two fiber reinforced composites irradiated by CW laser

两种纤维增强复合材料连续激光烧蚀阈值测量及吸收特性分析

Based on dynamic demodulation technique , a method of strain measurement using two fiber Bragg gratings is reported .

报道了一种基于解调技术使用双光纤光栅测量张力的方法。

Absorption stealthy effectiveness comparation of two fiber cement-based materials

两种纤维水泥基复合材料吸波隐身性能比较

Simulation and Experimental Investigation on Coherent Beam Combination of Two Fiber Amplifiers Based on Stochastic Parallel Gradient Descent Algorithm

随机并行梯度下降算法模拟两路光纤放大器相干合成与实验研究

The effects of two fiber surface treatments on the properties of PVC / wood-fiber composite are compared .

比较了两种方法处理木纤维对聚氯乙烯（PVC）/木纤维复合材料性能的影响。

The Micelson type all-fiber laser array composed by two fiber lasers was designed .

设计了由两支光纤激光器组成的迈克尔逊型全光纤激光器阵列。

Two fiber laser are coupled into a common self-imaging resonator with a spatial filter for mode selection .

将两个光纤激光器的输出耦合进一个自成像共振腔，然后利用一个空间滤波器进行模式选择。

Comb-filter based on two fiber directional couplers

双光纤方向耦合器组成的梳状滤波器

A new type multiwavelength fiber laser whose reflectors are composed of two fiber loops is presented in this paper .

提出了由两个光纤圈构成反射腔镜的光纤激光器。

The techniques for stabilization amplitude and modulation of the fiber coupled signal , ratio measurement of two fiber signals are introduced .

介绍光纤耦合信号的稳幅与调制、双路光纤信号的比例测量以改善系统的稳定性，噪声、漂移抑制，抗干扰等性能指标的技术措施。

A nonlinear amplifying compound loop mirror ( NACLM ) constructed by two fiber couplers is presented and analyzed .

提出采用两个光纤耦合器构成具有复合环的非线性放大环形镜。

Misconnection & Squelching in Two Fiber Bidirection Share MSP Ring

二纤双向共享复用段保护环的错连及压制

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。

Two fiber optic end-faces of the Fabry-Perot ( F-P ) cavity acted as sensor head is coated with reflective coating .

它是基于LD自混合干涉原理，作为探头的Fabry-Perot（F-P）腔的两个光纤端面都镀上反射膜。

For real-time and remote measurement of micro-vibration , a novel two-beam fiber-optic interferometer consisted of two fiber gratings with low reflectivity is proposed .

为了对微振动信号进行远距离实时检测，提出一种由两低反射率光纤光栅组成的新型双光束光纤干涉仪。

Its resonant cavity is composed of a section of single mode Er / Yb co doped fiber and two fiber Bragg gratings with the same reflection wavelength .

激光谐振腔由一段ErYb共掺杂单模光纤与一对布拉格反射波长相同的光纤布拉格光栅（FBG）组成。

Most of current studies in optical networks are for single-link failure , and fewer studies are for double-link failures that mean the simultaneous failures of two fiber links .

目前的研究大多针对光网络的单链路故障，而较少研究双链路故障，即网络中同时有两根光纤链路失效的情形。

The initial phase difference of the fiber interferometer is calculated by measuring the interference photocurrent and the photocurrents from the two fiber arms based on a temperature control plat .

利用恒温控制平台，通过测量干涉光电流和干涉仪两臂光电流的方法，实现了对全光纤干涉仪两臂初相位差的测量。

The switching time is measured to be ~ 50 μ s. Detailed characteristics of the dual-wavelength switching in the two fiber lasers are experimentally studied and corresponding principles are physically explained .

经测量，开关时间约为50微秒。本文在实验上研究了这两个双波长光纤激光器的开关特性，并解释了相应的物理含义。

Experimental results show that the pulse signal of 50 ns is obtained 90.552 ns delay through the two fiber segments , and the efficiency of the pump power is up to 96 % . 4 .

实验结果表明，50ns的脉冲经过两级延时，最终获得了78.55dB的非饱和布里渊增益和90.552ns的延时，并且使泵浦光利用率达到了96%。

First , two Fiber Bragg Gratings ( FBGs ) are mounted on a slim cylindrical substrate in 90 ° to make a strain detecting sensor with a diameter of 5 mm .

将两根布拉格光纤光栅成90°粘贴在一种细径弹性基材上，形成直径5mm的弯曲变形测量传感器。

We have discussed four coupling loss induced when two fiber coupling each other and have simulated numerically for them , including transverse displacement of fiber core , axial displacement , slope angle and module mismatch .

理论上讨论了两根光纤相互耦合时产生损耗的四种情况情况-横向偏离、轴向偏离、角度倾斜和模式失配，并进行了数值模拟；

This method was based on the combination of two fiber Bragg grating ( FBG ) and an all_fiber Fabry_ Perot sensor ( FFPI ) formed by the two FBGs .

该方法是把Bragg光纤光栅（FBG）与全光纤法布里珀罗传感器（FFPI）组合起来，利用FBG反射波长的漂移特性来测量干涉条纹的数目。

The temperature and strain are calibrated in the fiber grating sensing systems , and the temperature compensation scheme using two fiber gratings has experimentally demonstrated , which can realize the composite information monitoring for stain and temperature . 2 .

主要工作如下：首先，对光纤光栅传感进行了温度和应变标定，通过实验验证双光栅温度补偿方法可用于应变&温度的复合信息监测。

In the inland experiments , about 18.3W output power was obtained , using two fiber lasers coherent combining . Some researchers have made some progress in high speed wavefront sen - sor and phase locked output .

国内进行了两束光纤激光的相干组束，获得了连续波18.3W的光纤激光输出，并在高速相位探测与锁定方面取得了一定进展。

The new idea is put forward , which is that by using demodulation fiber optic Bragg to compensate temperature and using two fiber optic Bragg to improve sensor 's sensitivity , the way is suitable to apply in the acceleration .

提出了用解调光栅进行温度补偿和双光栅测量增加传感器灵敏度系数的新思想，适用于光纤光栅加速度传感器，具有指导意义。