Photonicband-gap,akeyconceptinoptics,referstotherangeoffrequenciesinwhichpropagationofelectromagneticwavesisforbidden.Thisphenomenon,akintotheelectronicband-gapinsemiconductors,playsacrucialroleincontrollinglight"sbehaviorinphotoniccrystals.Thesecrystalsexhibituniqueopticalproperties,suchasguiding,filtering,andtrappinglight.Examplesofsuchstructuresincludephotonicband-gapfibers,whichconfinelightwithinahollowcorebyexploitingtheband-gapeffect,andphotonicband-gapmaterials,whichmanipulatelightforvariousapplicationsintelecommunications,sensing,andphotoniccircuitry.
禁带特性,photonic band-gap
1)photonic band-gap禁带特性
英文短句/例句
1.Study on the Band Gap Structure for Time-varying Unmagnetized Plasma Photonic Crystals时变非磁化等离子光子晶体禁带特性
2.Characteristic Study of band Gaps in Phononic Crystal Type Periodic Composite Structures;声子晶体型周期复合结构禁带特性研究
3.Passive Electromagnetic Shielding by Using Characteristics of Forbidden Band of Photonic Crystals利用光子晶体的禁带特性实现无源电磁屏蔽
4.The Forbidden Band Gap of Time-varying Magnetized Plasma Photonic Crystals时变磁化等离子体光子晶体的禁带特性
5.The role of slit in stop band of periodical narrow slit metal tubes二维开缝金属圆管带隙结构禁带特性中缝参数的研究
6.The effect of nonlinear exposure on bandgap of three-dimensional holographic photonic crystal非线性曝光对三维全息光子晶体禁带特性的影响
7.Study of Optical Characteristics of Forbidden Band and Defect Modes in One-dimensional Photonic Crystal;一维光子晶体禁带及缺陷模光学特性的研究
8.Study of Complete Bandgap and Defect Characteristics of Two Dimensional Photonic Crystals;二维光子晶体的完全禁带及缺陷特性研究
9.Study of Band Gap Broadening Method and Waveguide Transmission Property of Photonic Crystal Formed by Holographic Lithography全息光子晶体禁带展宽方法和波导传输特性的研究
10."I certify that the items to be carried: Do not consist of any HAZARDOUS or PROHIBITED item referred to over leaf, and are wrapped/ packed according to special requirements where necessary e.g. liquids, poisons.""我保证所寄物品:不属于背面所述及的危禁品,属液体和带毒性的东西已按特殊要求进行了包装"
11.Characterization for the Structures and Properties of Wide Bandgap Semiconductor In_2O_3 by First-principle Calculations宽禁带半导体In_2O_3结构和性能的第一性原理研究
12.Forbidden Band and Reforming of the Elastic Wave in Solid and Solid Constitute Phononic Crystal固-固结构声子晶体中弹性波的禁带及其转型
13.1. For a certain apodization function, the band width, steepness of the band1. 对于同一切趾函数，光栅反射谱的禁带宽度、禁带边缘陡峭性和旁瓣
14.Of, occurring in, or characteristic of the Tropics.热带的热带的，发生于热带的，有热带特性的
15.Supply Characteristics of Couterfeit Famous Brand Products and Prohibitive Provisions Concerned;假冒名牌产品供给的特性与禁止性法律规定
16.Role of Sling Integrity in the Restoration of Leak Point Pressure in the Rat Stress Urinary Incontinence Model;吊带的完整性对恢复大鼠压力性尿失禁模型的漏尿点压的作用
17.Treatment of female stress urinary incontinence with SPARC tension-free vaginal tape procedure:A report of 14 casesSPARC无张力阴道吊带术治疗女性压力性尿失禁14例
18.Mechanical analyses on urethra wall after suburethral slings for female pig stress urinary incontinence女性压力性尿失禁尿道下吊带术后尿道壁的力学分析
相关短句/例句
the characteristics of forbidden band禁带特征
3)elastic wave stop band弹性波禁带
4)forbidden band禁带
1.Characteristic analysis offorbidden band of planer photonic crystal;平板光子晶体的禁带特性分析
2.Investigation intoforbidden band characteristic of 1-D laser holographic photonic crystal with eigen matrix;用特征矩阵法研究一维激光全息光子晶体的禁带特性
3.The sound wave in the phononic crystal can appear a series offorbidden bands.得出:声波在一维声子晶体中传播时会出现一系列禁带,各级禁带的频率中心是等间隔的,各级禁带的频率宽度是相等的。
5)Band gap禁带
1.Study on the band gap of photonic crystals using phase diagram;相位图法研究光子晶体的禁带
2.The main properties of the band gap and dispersion structure of the one-dimensional photonic crystal,whose each period consisting of one layer of a usual material and one layer of negative refractive material,are studied based on Maxwell equation and Bloch theory.为了得到新的传输性质,把具有负介电常数和磁导率的负折射率材料引入到光子晶体当中,运用M axwell电磁波方程和B loch理论得到的含正负折射率材料的色散关系的解析式,分别分析一维无限周期且正折射率材料和负折射率材料交替组成的一维光子晶体的禁带结构和色散特性,并与常规的正折射率材料的光子晶体比较,发现含正、负折射率材料且呈周期性重复的双层结构的复合光子晶体其光子具有较宽禁带,为设计超宽禁带的光子带隙结构提供了一定的理论可能性。
3.It is obviously shown from the calculated results that band gap width positions and defect mode transmission coefficient positions are related to position,type,dielectric constant of defect,especially rel.在一维线缺陷的研究基础上进一步应用转移矩阵方法数值研究带其它缺陷的二维正方晶格圆柱光子晶体的透射谱,缺陷的引入使得原来不透电磁波的禁带中,出现了缺陷模,即某一波长的电磁波可以透过,计算结果表明禁带位置、宽度,缺陷模的位置与透过率随着缺陷的种类、介质、程度有关,特别是都受到波源的入射角调制。
6)photonic band gap禁带
1.Based on transfer matrix, thephotonic band gap (PBG) is deduced in detail in one- dimensional photonic crystals.本文从传输矩阵出发,详细推导了一维光子晶体的禁带结构,得出了光子晶体的禁带位置、带宽、形状和组成光子晶体材料光学厚度、折射率对比、光子晶体结构的关系。
延伸阅读
风禁风禁 风禁 病证名。禁疮之一。出《痘疹经验良方》。痘疮初发热时，不避风，则风入肌表，以致痘不能发，或肌肤麻木，不知痛痒，或不麻木而干燥，或毛直而干焦，或皮痒而欲搔，甚则烦躁谵语，由风热相搏所致。治宜疏风解毒，用消风散（见风痫条），甚者加紫草、丹参、生地以活血清营。
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