研究了利用表面氟化技术制作PMMA聚合物光纤包层的可行性。
The feasibility to use surface fluorination technology in the formation of the cladding of PMMA POF is studied.
利用全反射光在光纤包层中的横向偏移和相位变化导出了全反射拍长计算公式。
In the cladding while counting in the phase change, using the transverse shift and the phase change of the total reflected light, we derive the beat length formula of the isotrope fiber.
应用此模型对不同结构光子晶体光纤包层区的等效折射率与波长的关系进行了讨论。
With this model, the effective index of PCF cladding with different structure parameters was discussed.
在光线泄漏区，传感光纤包层模式功率随着液体参量的改变而改变，从而锥形光纤探头探测到的输出功率也随之改变。
In the leaky ray zone coat mode power changes with liquid parameters, so output power of the tapered optical fiber detector changes too.
金属包层长周期光纤光栅可用于对谐振波长的调谐。
Metal coated long period fiber gratings (LPFG) can be used to change the resonance wavelength.
对掺镱双包层光纤的吸收特性进行了研究。
Ytterbium - doped double - clad fiber absorption characteristics is studied.
高功率双包层光纤放大器在光纤传感、光纤通讯、光谱测量和惯性约束聚变等领域有广泛应用。
High power double -clad fiber amplifiers have widespread applications in fiber sensing, fiber optical communication system, spectral measurement, inertial confinement fusion, and so on.
提出了一种新的基于磷酸盐的铒镱共掺双包层掺铒光纤放大器。
A novel double - cladding erbium - ytterbium co - doped fiber amplifier (EYCDFA) based on phosphate glass fiber is proposed.
通过控制间隙孔与毛细管中的气压差，可以制备出无间隙孔微结构光纤，并有助于保持包层孔的结构，大大提高了制备工艺的稳定性。
With this method, we can fabricate the MSF without the interstitial hole, and this will help to keep the cladding's structure, and enhance the stability of the fabrication.
提出了双包层光纤激光器简化的理论模型。
A simplified theoretical model of double-cladding fiber laser is presented.
本文采用分段方法，利用光子数平衡原理建立了半数值双包层掺稀土光纤放大器理论模型。
In this paper a new semi-numeral model for double-clad fiber amplifier according to principle of photons balance was given.
对掺镱双包层脉冲光纤放大器进行实验研究。
Experiment of the double-clad Yb-doped fiber amplifiers is discussed.
选择合适抽运方式对提高双包层光纤激光器的性能具有重要的意义。
Selection of pumping method is important to the enhancement of the performances of double clad fiber lasers.
文章综述了大功率情况下双包层光纤激光器中的非线性和热效应。
The paper summarizes the nonlinearity and heat effect in double-clad fiber laser with high power.
此结果对该类双包层光纤传感器以及光纤担载型的光催化反应系统的设计提供了理论依据。
The results provide a theoretic basis for the design of doubly clad fiber sensor and optical catalysis reaction system.
对连续运行时双包层光纤激光器阈值的优化问题进行了分析。
The optimization of threshold pump power of the double-clad cw fiber laser has been discussed.
大功率双包层光纤激光器采用分布式多点抽运有利于功率扩展和输出特性的优化。
High power double-clad fiber lasers under multi-point pumping facilitate the increasing of the power and optimizing of the output performance.
实验测试了所制作出的双包层塑料光纤放大器(DCPOFA)的吸收谱、荧光谱和增益特性。
Meanwhile the absorption and fluorescence spectrums and gain characteristic of the double-cladding plastic optical fiber amplifier (DC POFA) that we had made were tested.
采用等效矩形波导法分析几何双折射光纤的双折射特性，并对双包层椭圆光纤及边隧光纤作实例分析。
Birefringent properties of geometrical birefringent optical fibers are analysed by using the method of equivalent waveguide with rectangular regions.
为了提高双包层光纤激光器泵浦光的耦合效率，对泵浦光采用直角棱镜组进行了光束整形、空间滤波、非球面镜聚焦。
In order to raise the couple efficiency of pumping double cladding fiber laser, the beam is reshaped with rectangular prisms, spatial filtered and focused with aspheric lens.
采用矢量光束传输法对空气孔包层呈正六边形分布的微结构光纤的色散和非线性特性进行了数值模拟。
The dispersive and nonlinear properties of the microstructure fiber with hexagonally distributed air-holes in the cladding are numerically simulated by using the vectorial beam propagation method.
该方法可用于双包层光纤的侧面抽运。
This method can be applied in the side-pumping of double-cladding fiber.
为了计算周期结构包层多孔光纤的等效阶跃折射率，采用了全矢量基本空间充填模式法。
In order to calculate the equivalent step index of the periodic structure of the cladding holey optical fiber, all-vectorial fundamental space filling mode approach was utilized.
文中主要介绍了用MCVD工艺结合溶液掺杂技术制备铒镱共掺双包层光纤的设计、制作及性能。
The design, fabrication and properties of the ytterbium-erbium co-doped double-cladding fiber are reported, which is made by method of a combination of the MCVD and solution doping technique.
提出了基于光纤布拉格光栅(FBG)包层模式的折射率传感方案。
A new refractive index sensing scheme based on the cladding modes of fiber Bragg grating (FBG) is presented.
它不仅能将光从光纤一端面传输至另一端面，而且还能将光从其包层表面泄漏出来，使光纤整体发光。
Not only side glowing optical fiber can transmit light from one end to another end, but also can leak out light from its clad surface to make the optical fiber glowing wholly.
双包层掺镱光纤是制作大功率光纤激光器的关键部件，是稀土掺杂光纤中最重要的分支之一。
Ytterbium doped double clad fiber is the critical component of the fiber laser, and it is one of the most important branches of rare-earth doped fibers.
本文通过数值分析研究了L D抽运方式对双包层光纤激光器增益特性及光纤内光功率分布的影响。
The gain character and power density distribution in the active fiber of double clad fiber laser (DCFL) with different pump modes are investigated by means of numerical analysis.
本文介绍了包层泵浦技术在光纤通信中的最新应用，并且展望了包层泵浦技术中要解决的关键性技术问题。
We introduce the newest applications of cladding pump technology in optical communication in this paper, and expect the key technological problems to be resolved on cladding pump technology.
文章作者根据高功率光纤激光器的性能要求，设计和制备了内包层为D形和六边形的微结构掺镱双包层光纤。
In this paper, microstructure D-shape and hexagon inner cladding ytterbium doped fiber was designed and fabricated based on requirements of high power fiber laser.
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