阐述了完全光子禁带的概念。
设计出了具有完全光子禁带的PMC结构。
A PMC structure with a complete photonic bandgap has been designed.
目前，对光子禁带特性的研究仍然是该领域的研究热点之一。
Presently, the photonic band gap is one of hotspot in research.
用多重散射法研究了二维光子晶体的结构参量对光子禁带特性的影响。
The influences of the structure parameters of a two-dimensional square photonic crystal on its photonic bandgap properties are investigated with the multiple-scattering method.
讨论了三种旋转操作对TE,TM模式带隙及完全光子禁带的影响。
The effect of rotation on te and TM mode band gaps and absolute band gap is investigated.
该文提出了一种利用转移矩阵来计算一维光子晶体的光子禁带结构的新方法。
The photonic crystal fiber(PCF) with a special envelop structure induces the light by photonic bandgap(PBG) effect.
我们在本文中提出了基于亚微米准周期极化铌酸锂实现多波长光子禁带的结构。
We demonstrate a quasi-periodic structure exhibiting multiple photonic band gaps (PBGs) based on sub-micron-period poled lithium niobate (LN).
光子晶体是周期性介电结构，它能象周期性原子结构中的电子禁带一样，产生光子禁带。
Photonic crystals were periodic optical structures that were capable of generating photonic band gaps, analogous to the way of electronic band gaps generated by periodic atomic structure.
光子晶体作为一种新型人工结构功能材料，基于光子禁带的高反射特性可以实现热红外伪装。
As a new kind of man-made structure function material, photonic crystals could realize thermal infrared camouflage because of its high-reflection photon forbidden band.
该结构在光子晶体中构成光波导，能使光子禁带中不同的被选择的缺陷态频率的光子以极低的损耗通过。
This structure can form a wave-guide in photon crystals and light can propagate in it with different selected frequency in photonic band gap with low loss.
光子晶体光纤(PCF)是一种具有特殊包层结构的光纤，它是利用光子禁带效应(PBG)来导光的。
The photonic crystal fiber (PCF) with a special envelop structure induces the light by photonic bandgap (PBG) effect.
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.
本论文从一维光子晶体的结构特点出发，着重研究了有限周期一维光子晶体的光子禁带及缺陷模的光学特性。
The thesis begins with the structure features and mainly discusses the optical characteristics of photonic forbidden band and defect mode in finite-period 1d photonic crystals.
利用光学特征矩阵方法推导出了任意结构一维光子晶体的反射率、透射率公式，阐述了完全光子禁带的概念。
It is derived that reflectivity and transmission of random-structure 1d photonic crystal by the method of characteristic matrix, and explains the concept of full photonic bandgap.
运用光在介质中传播的特征矩阵方法，通过数值计算，研究了一维光子晶体结构对光子禁带的反射光相位的影响。
Reflection phase properties of one-dimensional photonic crystals(PhCs)with mu-negative or double-negative materials are investigated by the transfer matrix method.
另外，研究结果表明组成光子晶体的两种材料的折射率差别越大，两种电磁模的禁带越宽，越容易产生完全光子禁带。
The results of study also shown that the biger difference of refractivity between two kinds of materials, the wider of the bandgap for two electromagnetic modes, and easier to produce full bandgap.
介绍了光子禁带的产生机理，对光子晶体禁带的影响因素进行分析，发现各个因素对光子禁带的影响具有明显的规律性。
The theory of the photonic band-gap is introduced and the factors which affect the characters of PBG is discussed and find some rules.
杂质层的引入增宽了原来光子禁带的宽度，杂质态的特征与杂质层的光学厚度、 折射率及在晶体中的位置等因素有关。
This is a photonic impurity state, similar to the impurity level in semiconductor. The introduction of impurity layer increased the width…
结果表明：在光子禁带等效折射率不存在，在光子禁带两边等效折射率分别趋于无穷大或者零；在光子透射带，等效折射率是有限值。
The results indicated that the equivalent refractive indexes are not existence in photonic forbidden bands and in both sides of forbidden bands.
光子晶体最主要的特性是光子禁带：大多数光子晶体的应用都是基于禁带效应，因此设计具有尽可能大的禁带的光子晶体具有重要的意义。
Many applications of photonic crystals are based on photonic band gaps, and it would thus be very interesting to design a photonic crystal with the largest band gap for a given dielectric contrast.
通过运用平面波展开方法以及有限差分时域(FDTD)方法进行分析，可以明显地发现，在低频和高频区域增大了光子晶体的光子禁带。
By using the plane wave expansion and finite-different time-domain (FDTD) methods, we can find a larger absolute band gap in the low and high frequency.
运用光在分层介质中传播的特征矩阵方法，通过数值计算，研究了掺杂一维光子晶体中光子禁带及杂质模的特性随不同偏振光及入射角的变化。
The characteristics of photonic forbidden band and impurity mode in doped one-dimensional photonic crystal were investigated by numeral simulated calculation with the method of characteristic matrix.
本论文研究了光子晶体禁带与单个周期单元散射特性的关系。
The paper mainly researches the relationship between photonic band gap and scattering characters of single period.
结果表明通过改变缺陷的半径和介电常量大小可以在光子晶体禁带中一定的范围内调节缺陷模式的共振频率大小。
The numerical results show that the value of the resonant modes of the photonic crystal can be modulated by changing the radius and dielectric constant.
根据大量的实验数据和分析结果，我们镀制出可见光区和近红外区的一维光子晶体，禁带分别有几十到一百纳米。
Based on plenty of experiment data and analyzing results, we made several one-dimensional photonic crystals used in visible light and near infrared light which have band gaps from ten to a hundred nm.
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TE波和TM波的禁带的影响。
Lead into the complex refractive index and make use of the characteristic matrix method, the photonic bandgap of te wave and TM wave with the variety of the absorption were studied.
光子带隙结构中存在着类似于半导体中的禁带，称为光子带隙。
The place that exists in PBG structures is similar with the bandgap in semiconductor called photonic band gap.
研究结果表明：一维右手材料和左手材料构成的光子晶体具有宽禁带的特点，禁带中出现多个共振透射峰。
The investigation results show that the band gap of the photonic crystal made of LHM is wide and multi-transmittance peaks appear in the forbidden band.
对于不同的三维光子晶体结构，随着介电常数比的增大，完全禁带的宽度和带隙率也会随着增大。
For all three kinds of three-dimensional photonic crystal structures, their band gap width and band gap ratio can be improved with the increase of dielectric constant ratio.
对于不同的三维光子晶体结构，随着介电常数比的增大，完全禁带的宽度和带隙率也会随着增大。
For all three kinds of three-dimensional photonic crystal structures, their band gap width and band gap ratio can be improved with the increase of dielectric constant ratio.
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