光子晶体是一种具有光子能带及能隙的新型材料。
Photonic crystal is a new kind of materials with photonic band gap.
从得到的色散曲线看到等离子体光子晶体具有光子能带和能隙结构。
The dispersion curves showed that plasma photonics crystal has the structure of photonic energy band and energy gap.
本文中讨论的光子能带结构是由非常有效的矢量波多重散射方法计算，该方法可以精确地处理介电函数在界面附近的突变。
The photonic band structures are calculated by an efficient vector-wave multiple scattering method which can deal accurately with the sharp changes of dielectric functions near the interface.
主要内容包括：第一章阐述了光子晶体概念，光子能带理论，带隙导光机理等，简要介绍了光子晶体的分类及应用方向。
The contents are as follows: In the first chapter, there is an illumination about the concept of photonic crystal, theory of photonic band, the mechanism of manipulating light, and so on.
上层能带中的电子最后会发射光子释放能量。
The electrons in the upper band eventually release energy, thereby emitting photons.
如果光子的能量高于电池材料的能带，那么电子就被激发到导带中。
If the photon energy is greater than the bandgap of the cell material, then electrons are excited into the conduction band.
引入复折射率并利用特征矩阵法，研究了光子晶体的吸收对光子晶体能带的影响。
Leading into the complex refractive index and making use of the characteristic matrix method, the photonic bandgap of photonic crystal with the variety of the absorb is studied.
结果表明，对于一维光子晶体，在第一能带内，存在反常折射现象。
It shows that, for the one-dimensional photonic crystals, there are abnormal refraction in the first band.
将光纤布拉格光栅近似为一维光子晶体，研究光栅的能带结构和光学传输特性。
The band structure and the transmission properties of the fiber Bragg grating are investigated in the scope of the photonic crystal.
通过分析这种光子晶体的能带结构，显示其存在部分带隙。
Band structure of the photonic crystals shows that there exists a partial bandgap.
光子晶体由于能够产生与半导体能带结构类似的光子禁带，成为了国内外光通信和光学器件方面研究的热点。
Photonic crystals(PCs) has the properties of photonic band-gap(PBG) which is similar with semiconductor, because of this, it is a hotspot in optical communication and optical device.
计算结果表明，在二维光子晶体中引入单独的点缺陷后，在原来完整的光子晶体的禁带中会出现平坦孤立的能带。
The results indicate that there is a smooth and isolated band in the band gap if photonic crystal has a dot defect.
论文首先提出了一种具有更高灵活性的三维光子晶体结构，并分析了其能带结构和缺陷模特性。
First, we propose and analyze a novel 3-dimensional photonic-crystal which is capable of further exploring the design flexibility of any band-gap structure.
用时域有限差分方法计算了一组具有相似几何结构且包含理想金属材料的准分形光子晶体的能带。
The photonic band of a set of quasi_fractal photonic crystals, which have similar structure and include idealized metal, is computed by finite_difference time_domain method.
平面波展开方法在计算光子晶体能带方面应用广泛，但是用于分析光在光子晶体中的行为却不方便。
The plane expansion method is widely used in the analysis for the band structures of photonic crystals.
紧接着本文介绍了光子晶体的概念，分析了光子晶体的能带理论。
Thereafter, the concept of photonic crystals is introduced, photonic bandgap theory is analyzed.
构建了介质柱间距变化的变周期结构以及介质柱半径线缺陷两种二维光子晶体模型，并将时域有限差分法用于其能带特性研究。
Two models of 2d photonic crystal of line defects and nonperiodic dielectric rods are established. The finite-difference-time-domain method is developed for the study of bandgap.
利用传输矩阵法计算了一维光子晶体的能带结构和光传输特性，重点讨论了介电常量的虚部为负值时对传输特性的影响。
The transfer matrix method is used to calculate the band structures of 1D crystals with complex dielectric constant, in this paper, The authors put emphasis on the case of negative imaginary part.
利用传输矩阵法计算了一维光子晶体的能带结构和光传输特性，重点讨论了介电常量的虚部为负值时对传输特性的影响。
The transfer matrix method is used to calculate the band structures of 1D crystals with complex dielectric constant, in this paper, The authors put emphasis on the case of negative imaginary part.
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