叙述了TE＿（21）模耦合器的设计理论，给出了一个设计实例。
The theory and experitment of a TE_(21)-mode coupler are described and an application example is given in this paper.
由使用棱镜耦合器的一种新技术即漏模法，测量了平板玻璃光波导的参数(薄膜的折射率和厚度)。
The parameters of the optical slab glass waveguide (refractive index and thickness of thin film) were measured by a new technique for using the prism coupler, i. e., leaky mode method.
多模干涉(MMI)耦合器需要精确定位成像位置，以便器件的设计制作。
In order to design and make multimode interference (MMI) couplers, the imaging positions must be located accurately.
根据多模干涉耦合器的自映像原理，对多模干涉耦合器的成像位置进行分析。
Based on the self-imaging effect of multimode interference couplers, general self-imaging positions are analyzed in detail.
在此基础上，利用导模与辐射模的耦合模理论较系统地描述了棱镜耦合器的输入、输出特性。
On this basis input and output coupling properties have been described systematically by coupled mode theory of guided mode and radiation mode.
研究了基于多模干涉(MMI)耦合器的阵列波导光栅(awg)。
An array waveguide grating (AWG) based on multimode interference (MMI) is considered.
根据耦合模理论，分析了光纤耦合器的分束比、附加损耗等传输特性对FFTS的工作带宽和测量准确性的影响。
According to the coupled-mode theory, the impacts of fiber couplers transmission characteristics such as splitting ratio and additional loss, on the veracity and bandwidth of FFTS are analyzed.
交替方向隐式有限差分波束传输法被用来分析二维限制对称多模波导干涉耦合器。
The alternate-direction implicit finite difference beam propagation method (FD-BPM) is used to analyze the two-dimensional (2D) symmetrical multimode interference (MMI) couplers.
为了提高太阳能泵浦功率，提出通过光纤集束熔锥侧面耦合器构成多模光纤阵列或者聚光器阵列的结构。
To increase the solar pump power, the structure of multi-mode fiber array or parabolic dish concentrator array combination with tapered fiber bundles is put forward.
然而根据以往的文献要得出多模干涉耦合器的成像位置要经过一系列复杂的计算。
But to predict the positions of the images, a series of complex calculation is needed according to the previous method.
然而根据以往的文献要得出多模干涉耦合器的成像位置要经过一系列复杂的计算。
But to predict the positions of the images, a series of complex calculation is needed according to the previous method.
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