1) Modified Plane-wave Expansion Method
快速平面波展开法
1.
The modified plane-wave expansion method for calculating quickly the band structure is used to study the band structure, parameters is optimized, an absolute band gap Δω=0.
将呈网带连通的长方网格与呈离散状态的正方介质柱组合构成长方晶格光子晶体, 用快速平面波展开法计算其能带结构, 通过参数优化, 在低频区找到最大绝对禁带宽度Δω=0 105 6ωe(ωe=2πc/a, a为晶格常数, c为光速), 绝对禁带中心频率ωc=0 903 8ωe,Δω/ωc=11 7%。
2.
The modified plane-wave expansion method for calculating quickly the band structure is used to study the band structure in two rectangle lattice 2D photonic crystals.
利用快速平面波展开法研究了两种长方晶格光子晶体,发现它们在高频区都存在大带隙,经参数优化,原胞结构为“工”字形的光子晶体,最大绝对禁带宽度Δω为0。
3.
The modified plane-wave expansion method is used to calculate the band structure of a new two-dimensional pixel-type photonic crystal.
运用快速平面波展开法计算了一种新型二维正方结构像素型光子晶体的能带结构,通过参数优化,在低频区,该光子晶体具有最大绝对禁带宽度Δω为0 0522ωe,(ωe=2πc/a,a为晶格常数,c为光速),中心频率ωmid为0 7184ωe,Δω/ωmid=7 266%。
2) revised plane-wave expansion method
快速平面波算法
3) Plane wave expansion method
平面波展开法
1.
In this paper,the band structures of the two-dimensional phononic crystals consisting of(elliptic) cylinders were calculated by using the plane wave expansion method.
采用平面波展开法数值计算了二维椭圆柱散射体声子晶体的带结构,并与圆柱散射体声子晶体的带结构进行比较,发现利用椭圆柱散射体可以获得较大的声子带隙。
2.
The photonic bandgaps of 2-D photonic crystals with graphite lattice were simulated with plane wave expansion method.
采用平面波展开法模拟计算了由锗圆柱构成的Graphite格子二维光子晶体的带隙结构,发现由空气背景中的介质柱构成的二维Graphite格子结构的光子晶体具有完全光子带隙,并得到了使完全带隙最大化的结构参数。
3.
Based on plane wave expansion method, the influence of factors such as lattice structure, dielectric constant ratio and filling ratio on three-dimensional photonic crystals with fcc, diamond and woodpile structures is studied.
基于平面波展开法,理论分析了晶格结构、填充率、介电常数比等因素对fcc,diamond,woodpile三种三维光子晶体典型结构完全禁带的影响。
4) plane-wave expansion method
平面波展开法
1.
The theory study of a plane-wave expansion method based on the effective medium technique in the two-dimensional photonic crystal;
基于等效介质二维光子晶体平面波展开法的理论研究
2.
The plane-wave expansion method is used to calculate the band structure of a two-dimensional photonic crystal with hexagonal lattice,and the optium structural parameters of photonic crystals with the largest complete bandgap are obtained.
运用平面波展开法模拟计算了二维六边形晶格光子晶体的能带结构,得到了使光子带隙最大化的结构参数。
3.
By the plane-wave expansion method,the acoustic elastic band structures of two-(dimensional) phononic crystal composed of square or triangle array of tungsten square rods embedded in epoxy,and the influence of rods rotating on the acoustic band structures were studied.
用平面波展开法研究方形钨柱在环氧树脂基体中呈正方形排列和三角形排列时的带隙以及方柱转动对带隙结构的影响。
5) guide modes
平面波展开方法
1.
The calculated results show that that the SSTH heterostucture may produce guide modes in absolute photonic band gap(PBG) when introducing relatively longitudinal gliding or transverse displacement of the sub-lattices along the interface of the heterostructure.
本文利用平面波展开方法和超原胞方法研究了由正方形格子上放置正方形散射子和三角形格子上放置六角形散射子组成的异质结 (SSTH异质结 )的带隙结构 。
2.
By using the plane wave expansion method combined with the supercell technique, we investigate the band structures of the heterostructure composed of square cylinders in square lattice and hexagon cylinders in triangular lattice (SSTH heterostucture), and the guide modes at the interface of the heterostructure.
本文利用平面波展开方法和超原胞方法研究了由正方形格子上放置正方形散射子和三角形格子上放置六角形散射子组成的异质结(SSTH异质结)的带隙结构。
6) plane wave expansion method
平面波展开方法
1.
Two different methods (plane wave expansion method and the finite differential of time domain method) are employed to calculate the complete band gap of a two-dimensional photonic crystal consisting of anisotropic elliptic cylinders of Tellurium.
用平面波展开方法及时域有限差分法计算了各向异性介质材料碲形成的椭圆柱光子晶体的带隙结构 。
2.
The valence subband energies and wave functions of a tensile strained quantum well are calculated by the plane wave expansion method within the 6×6 Luttinger Kohn model.
用 6× 6 L uttinger- Kohn模型结合平面波展开方法计算了应变量子阱材料的价带结构 ,分析了用来展开的平面波的数目和周期对能量本征值的影响 。
补充资料：双向展开
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性质：将试样点在方形的纸或薄层板的一角，溶剂沿纸或薄层板的一个方向展开，然后再沿垂直方向作第二次展开。两次展开可采用不同的溶剂系统，使复杂混合物得到较好的分离。
CAS号：
性质：将试样点在方形的纸或薄层板的一角，溶剂沿纸或薄层板的一个方向展开，然后再沿垂直方向作第二次展开。两次展开可采用不同的溶剂系统，使复杂混合物得到较好的分离。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
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