1、

experimental evaluation for type a component of uncertainty in measurement with mode field diameter

模场直径检测中A类不确定度分量的实验评定

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2、

fabrication of two kinds of expanded core lens-fibers and analysis of mode field diameter

两种扩束透镜光纤的研制与模场分析

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4、

measurement of mode field diameter of single-mode optical fiber

单模光纤模场直径的测量

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5、

Electromagnetic field in various layers of 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.

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6、

Start from the vector wave equation for source free region, the hybrid mode field of the cylindrical dielectric waveguide is presented via the method of seperation of variables, Given the aperture field, the radiation field of the conic dielectric horn is forwarded with E mode formula.

本文用分离变量法求解波动方程,推导出介质加载喇叭的矢量位,进而对混合模介质加载圆波导内场进行分析,并由此得到小张角介质加载圆锥喇叭的口径场和远区辐射场;

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7、

The coupling technology of super-luminescent laser diode ( SLD) to single mode panda-type polarization maintained optical fiber was investigated using Gaussian mode approximation and mode field matching.

采用高斯模场近似和模场匹配方法,对超辐射激光二极管与带类球透镜单模熊猫型保偏光纤的耦合,进行了仿真计算和实验研究。

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8、

The wave-function of the system of single-mode field interacting with N-type four-level atom is solved exactly, and the time-evolution of atomic particle's occupancy is analyzed by means of numerical method.

精确求解了单模光场与N型四能级原子相互作用系统的波函数,并采用数值计算方法,分析了原子布居的时间演化特性。

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9、

mode field diameter measurement - variable aperture method in the farfield

模场直径测量。远场可变孔径法

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10、

a new kind of mode field diameter measuring system for single-mode fiber

新型单模光纤模场直径测试系统

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11、

the structure of the polymer rib optical waveguide is designed by using effective index method ( eim), and the mode field distribution in these waveguides is analyzed to determine the suitable structural size range.

利用有效折射率法(EIM)理论设计了有机聚合物脊形光波导结构,并分析光波导中传输的模式场,确定出光波导结构的适宜尺寸范围。

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12、

mode field diameter of single-mode optical fiber by knife-edge scanning in the far field

单模光纤模场直径的远场刀刃扫描试验

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13、

The numerical calculation methods of the cutoff wavelength and mode field diameter are described in detail.

给出了数值计算截止波长和模场直径的方法;

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14、

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。

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15、

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。

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16、

Research on Offset Joint Method for the Measurement of Mode field Diameter of Single mode Fibers

用于单模光纤模场直径测量的横向错移法的研究

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17、

By using a generalized four-level J-C model, the equation of motion of the field density matrix for the three-mode laser operating in the four-level atomic system is obtained.

本文通过使用推广的J&C模型,获得了四能级原子系统中三模激光运转情况下场密度矩阵的运动方程。

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18、

The behavior of the three-level single-mode laser in the presence of an applied field and a saturable absorber is revealed near the losing-threshold.

本文描写了有注入外场和可饱和吸收体的三能级单模激光器于阈值附近的行为。

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19、

The practical rationality developed through "Type of Plan and Prepare" Thinking Mode was, in fact, technological rationality in the field of technological philosophy.

环境价值寻求的理性不再是那种抽象的绝对理性,而是具体的、历史的实践理性,理性的基础是人现实的生存活动方式。

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20、

Three-Dimensional Simulation of the Magnetic Field and Leakage Magnetic Field in Switching Mode Power Supply Transformer

开关电源变压器磁芯磁场与漏磁场的3D仿真研究

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