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晶体薄板
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  crystal slab
     The Transmission Properties Research of Photonic Crystal Slab W3 Waveguide With The Use of The Parallel 3D FDTD Algorithm
     用三维并行时域有限差分算法研究光子晶体薄板W3波导传输特性
短句来源
     Three Dimensional Finite Difference Time Domain Method Calculate Photonic Crystal Slab
     三维FDTD方法计算光子晶体薄板结构
短句来源
  “晶体薄板”译为未确定词的双语例句
     The composite materials thin plate exhibiting vibration band gap is found. But it is different from the xy mode band structure of two-dimensional phononic crystals.
     发现二维声子晶体薄板存在振动带隙,但是与二维声子晶体xy模态的能带结构有区别。
短句来源
     For the finite periodic structure thin plate, the vibration frequency response by finite element method is simulated.
     利用有限元法,对有限周期结构的声子晶体薄板振动频率响应进行仿真。
短句来源
  相似匹配句对
     Three Dimensional Finite Difference Time Domain Method Calculate Photonic Crystal Slab
     三维FDTD方法计算光子晶体薄板结构
短句来源
     Crystal Oscillator
     晶体振荡器
短句来源
     SPIRAL CRYSTALS
     螺旋晶体
短句来源
     SPATIAL ORIENTATION DISTRIBUTION OF CRYSTALLITES IN COLD-ROLLED Al-KILLED STEEL SHEET DURING RECRYSTALLIZATION ANNEALING
     铝镇静钢冷轧薄板再结晶退火过程的晶体空间取向分布
短句来源
     Plate-Type Blanking Dies
     薄板冲裁模
短句来源
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  crystal slab
In particular, it is shown that if the spatial extent of a liquid crystal slab is much larger than its thickness, then laser emission is feasible not only along the normal to the slab, but also in the entire angular sector.
      
The feedback required for lasing is provided by reflection from the interfaces, rather than edges, of the liquid-crystal slab operating as a planar Fabry-Perot cavity.
      
A new anti-reflection surface structure for photonic crystal slab lens
      
We conduct a comprehensive investigation of the lasing mechanism in a photonic crystal slab laser with a refractive index that is periodic in two dimensions.
      
It is also shown that, for point imaging by a photonic crystal slab, owing to the negative refraction, the influence of the surface termination on the transmission and the imaging quality is significant.
      
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Based on the linear system theory,the principle of the optical low pass filter (OLPF) is discussed.The thickness of the quartz crystal wafer which can eliminate aliasing can be obtained by using the total frequency bandwidth and the pixel size of CCD camera.The improving design for the OLPF is proposed.

本文采用线性系统的观点阐述光学低通滤波器的原理 ,利用 CCD摄像机的总频宽及 CCD像素尺寸大小 ,求得消除混频现象所需石英晶体薄板的厚度 ,以及对现有光学低通滤波器提出改善方案

We used three Dimensional Finite Difference Time Domain Method (FDTD) to calculate photonic cry- stal slab with different refractive index and got the numerical result of the bandgap and analyse it, which may give instruction in designing photonic crystal devices.

利用三维时域有限差分方法计算了具有不同介电常数的光子晶体薄板结构,得到了这些结构的带隙的数值结果,并作了分析;这些结果对于设计光子晶体器件有着指导作用。

Based on the vibrational equation of the thin plate, the band structure for the two-dimensional phononic crystals thin plate composed of two kind of material is provided by using plane wave expansion method. The composite materials thin plate exhibiting vibration band gap is found. But it is different from the xy mode band structure of two-dimensional phononic crystals. For the finite periodic structure thin plate, the vibration frequency response by finite element method is simulated. The frequency ranges of...

Based on the vibrational equation of the thin plate, the band structure for the two-dimensional phononic crystals thin plate composed of two kind of material is provided by using plane wave expansion method. The composite materials thin plate exhibiting vibration band gap is found. But it is different from the xy mode band structure of two-dimensional phononic crystals. For the finite periodic structure thin plate, the vibration frequency response by finite element method is simulated. The frequency ranges of sharp drop in frequency response curve show good agreement with the band gaps. The wave field distribution of the frequency both in band gap and out of band gap is calculated in order to describe the vibration property of the phononic crystal thin plate. The existence of band gaps in the periodic structures thin plate gives a new idea in vibration control application of phononic crystals.

从薄板的振动方程出发,利用平面波展开法,给出了无限周期结构的二维声子晶体薄板的振动能带结构。发现二维声子晶体薄板存在振动带隙,但是与二维声子晶体xy模态的能带结构有区别。利用有限元法,对有限周期结构的声子晶体薄板振动频率响应进行仿真。在带隙频率范围内,频率响应存在较大衰减。并且给出了带隙内和带隙外两个频率点的波场分布。周期结构薄板中存在的振动带隙为声子晶体在减振方面的应用提供了一种新思路。

 
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