查询词典 waveguide

Vector partial differential operator ; Dyadic Green function ; Heteromophic waveguide ; Cutoff frequency

矢量偏微分算子；并矢格林函数；异形波导；截止频率

Shanghai Institute of Optics and Fine Mechanics,Chinese Academy of Sciences,Shanghai 201800,ChinaThe method of numerical simulation based on coordinate transformation and diffraction theory was adopted to analyze the beam characteristics of waveguide lasers with hard-edge unstable resonators.Output beam quality was investigated considering non-uniform pumping and gain saturation.

基于衍射理论和坐标变换，采用数值模拟的方法分析了硬边非稳腔平面波导激光器的光束特性，研究了存在非均匀抽运和增益饱和时，输出激光的光束质量。

The guide process of incident ray inside tapered optical fibers was depicted by optical waveguide theory.

应用纤维光学理论分析了入射光在锥形光纤探针中的传播过程。

The Ag+ diffusion zone possesses higher refractive index than glass substrate, and thus acts as the waveguide core.

光学显微镜和电子探针分析表明高折射率的Ag+扩散区位于玻璃基片表面以下约10μm处，形成光波导的芯部。

There are mainly three kinds of complicated medium and structure: inhomogeneous, waveguide and anisotropic media.

对于不均匀介质，人们开展了比较多的研究工作，本文集中研究了水下波导结构和各向异性介质中的时间反转法。

SH guided wave dispersion characteristics and wave structure for free surface isotropic elastic pipe circumferential waveguide were calculated and analyzed to guide pipeline inspection,and these characteristics were compared with those of the plate SH guided wave.

为指导基于超声导波的管道无损检测，计算并分析水平切变（shear horizontal，SH）导波在具有自由内表面、外表面的弹性各向同性管道周向波导中传播的频散和波结构特性，将这些特性与平板SH导波的对应特性进行对比分析。

We theoretically study the spin-polarized electron transport properties for quantum waveguide systems with attached stubs in the presence of Rashba spin-orbit coupling by the lattice Green function approach.

理论上研究了含stubs的Rashba自旋轨道耦合(spin-orbit coupling，简记SOC)量子波导系统的自旋极化输运性质。

Short circuited waveguide method ; linear extrapolation ; agricultural product ; microwave dielectric properties

短路波导方法；线性外推；农产品；微波介电特性

Y-waveguide is widely used in the integrated optics, and it is important to know its specifications, among which the beam-splitting ratio and insertion loss are the most critical parameters.

Y波导在集成光学系统中得到了广泛的应用，并拥有很大的潜力，近年来备受关注。因此了解它的各项指标至关重要。

Under the small-signal approximation, the effects of the waveguide length and the response flatness on DFG-based wavelength conversion are investigated by use of matrix operator, and then a feasible scheme to expand conversion bandwidth and pump bandwidth is proposed.

在小信号近似条件下，利用矩阵计算的方法分析了波导长度和转换效率的波动性对基于差频效应的波长转换器带宽的影响，给出了扩展信号光转换带宽和抽运带宽的优化设计方案。

"Second Life is remarkably easy to work with, and is very popular,"

"第二次生命是显着容易的工作，并且很受欢迎，"

For example, we usually assume that materials are homogeneous and isotropic and free of internal defects or flaws.

为了得到适合有限元分析的模型，我们必须经过如图2所示的简化步骤。