The glass fiber core comes in one of two basic types: multimode fiber for distances up to 10km and single-mode fiber for longer distances.
玻璃纤维芯有两种基本的类型：多模光纤，用于10km以下的距离；单模光纤，用于更长的距离。
Many companies also are installing a combination of singlemode and multimode fiber in backbones.
还有许多公司在主干网中结合安装单模和多模光纤。
Coiling technique is used to control the transverse mode of a large-mode-area (LMA) multimode fiber laser.
缠绕技术通常被用于大模场面积多模光纤激光器的横模控制。
Today, most premises networks are installed with multimode fiber in the building backbone and campus backbone segments.
今天，许多建筑网络在楼宇主干网和园区主干网部分使用多模光纤安装。
Because multimode fiber sensors and FBG sensors are simultaneously used in the system, the result of measurement is more reliable.
并且应用了多模光纤传感器和FBG传感器，使测试结果更可靠。
Intensing modulation by microbending in multimode fiber is considered as a transduction, mechanism for detecting environmental changes.
本文研究了利用多模光纤中因微弯引起的强度调制，作为换能机构来检测周围环境的变化。
Based on this fact, the research and design of micro align lens which is fabricated by means of multimode fiber fabrication techniques is carried out.
自聚焦透镜与多模光纤的折射率分布都遵从平方律分布，基于这个事实，进行了以多模光纤生产工艺制造微型准直透镜的研究和设计。
In this paper, the transmitting characteristic of multimode fiber is improved by introducing the periodic scramble during the fiber's drawing process.
介绍了通过在多模光纤中引入周期性的扰动以改善多模光纤的传输特性。
To study the relationship, the output capability of multimode fiber laser is measured under various bending diameters, and it also be calculated theoretically.
为研究两者之间的关系，在光纤不同弯曲直径下，对多模光纤激光器的输出性能进行了实验测量和理论计算。
An approach for the calculation of the worst-case dispersion penalty of multimode fiber links was derived. The approach is expressed by 10%-90% rise time of the system.
导出了一种用系统10%—90%上升时间所表示的最坏情况下多模光纤色散功率代价的计算方法。
The influences of pump energy, focal length and distance between fiber and lens on SBS reflectivity and waveform in multimode fiber are investigated theoretically and experimentally.
从理论和实验上研究了不同焦距下泵浦能量以及透镜与光纤间距对多模光纤中的SBS能量反射率和脉冲波形的影响。
During the experiment, as the coil radius of multimode fiber changes, output characteristic of the laser has been measured. Meanwhile, the mode loss of different modes is calculated theoretically.
实验测量了多模光纤激光器在不同缠绕半径下的输出性能，并理论计算了各阶模式在不同缠绕半径下的损耗特性。
During the experiment, as the coil radius of multimode fiber changes, output characteristic of the laser has been measured. Meanwhile, the mode loss of different modes is calculated theoretically.
实验测量了多模光纤激光器在不同缠绕半径下的输出性能，并理论计算了各阶模式在不同缠绕半径下的损耗特性。
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