A lensed apparatus for altering the mode field of an optical signal is disclosed.
披露了一种适用于改变光信号的模式场的透镜装置。
The fluorescence, mode field and amplification characteristic of the fiber were tested.
对光纤的荧光特性、模场特性以及放大特性进行了测试。
Using its "endless single mode" characteristic, the PCF of large mode field has been designed.
利用其特有的“无截止单模”特性，对大模场光子晶体光纤进行了设计。
Therefore, measurement of mode field diameter of single mode fibers by far-field mask is realized.
实现了用远场掩模法对单模光纤模场直径的测量。
Electromagnetic field in various layers of 2-d metal gratings can be described with vector mode field.
用矢量模式场来描述二维金属光栅各层中的电磁场。
With the increase of the effective mode field area of the first core, the switch threshold power increases.
增大第一纤芯的有效模场面积将导致开关的阈值增大。
The entanglement of the two-mode field will increase or decrease, but it's impossible to disentangle completely.
可增加或减弱双模相干光场间纠缠度，但无法使双模间完全退纠缠。
The transitional guide is used to improve the mode field matching between both the waves supported by the incident and output waveguides.
过渡波导用于改善入射基模与出射偶对称模之间的场分布匹配，有效地提高了功率耦合效率，降低了分支耦合损耗。
The condition of steady state solution in the interaction between multi atom and single mode field is presented by using the method of drift matrix.
利用迁移矩阵方法，给出了多原子体系与单模腔场相互作用的稳态解条件。
In this paper, the relation between the dipersion formula, the waveguide dipersion and the mode field diameter is derived, based on the scale wave equation.
本文根据标量波动方程，导出了色散公式及波导色散和模场直径间的关系。
Based on mode field coupling theory, a model to calculate the butt-joint coupling efficiency between a multi-mode fiber and a single-mode fiber is presented.
采用模场耦合理论，推导出多模光纤与单模光纤的直接耦合效率表达式，计算得到耦合效率与所选用的多模光纤和单模光纤的纤芯芯径之间的模拟关系。
The relation between coupling efficiency and mode field stimulated by SLD, fiber structures, shape of fiber butt and coupling operation parameters was analyzed.
分析了耦合效率与光源激发的光模场、光纤结构及光纤头部形状、耦合工作参数等因素的关系。
In this article, the influences of the mode field diameter, the cutoff wavelength and the relative refractive index difference on the OTDR curve are also verified.
文中还验证了单模光纤的模场直径、截止波长、相对折射率差对OTDR曲线的影响。
The master equation of a three-level atomic system interacting with a two-mode field at two-photon resonance is given. The two-photon gain coefficient formula is deduced.
给出了阶梯型三能级原子系统在相等偏调情况下的运动主方程，得到了双光子增益系数公式。
On the job details page, simply change the Mode field to Import as shown in Figure 15.
在作业详细信息页面上，只需将Mode字段更改为Import，如图15所示。
Optical fibres - Part 1-45: measurement methods and test procedures - Mode field diameter.
光纤。第1 - 45部分：测量方法和试验规程。模场直径。
Mode field specifies the scope of tracing, that is, global for all users on the system or user for users who have tracing enabled by the Administration API task function.
模式(mode)指定跟踪的范围，即是针对系统上的所有用户，还是只针对通过AdministrationAPItask函数启用了跟踪的用户。
Two methods and devices which are changeable aperture and movable aperture for measuring the mode-field radius of single-mode optical fibers are presented.
介绍两种快速测量单模光纤模场半径的方法及其测量装置——可变孔径法和移动圆孔法；
This paper discusses a method of continuous variable aperture(CVAFF)to measure the mode-field diameter(MFD)in single-mode fibers.
本文讨论一种用于单模光纤模场测量的连续变孔径方法。
This paper discusses a method of continuous variable aperture(CVAFF)to measure the mode-field diameter(MFD)in single-mode fibers.
本文讨论一种用于单模光纤模场测量的连续变孔径方法。
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