表面等离激元

最后介绍了五种激发表面等离激元的方式。

Finally , five methods for exciting SPP are introduced . 2 .

这种强烈的耦合效应导致了表面等离激元新奇的色散曲线，并最终导致其异常传播特性。

The strong coupling effect leads to the novel SPP dispersion curves and then the anomalous propagation characteristics .

GaAs表面等离激元偏振子的激励以及它的偏光依赖性

GaAs Surface Plasmon Polariton Excitation and Its Polarization Dependent Effects

使用显微共聚焦拉曼光谱系统，我们成功探测到了表面等离激元传播导致的SERS信号。

With confocal optical technique , we have successfully detected SERS signal of monolayer molecule on Ag nanowire induced by SPP propagation .

表面等离激元共振（SPR）生物传感器对聚氨酯材料血浆蛋白吸附的实时原位动态研究

Use of surface plasmon resonace ( spr ) sensor for real time in situ study of adsorption of proteins onto surface of polyurethane

表面等离激元（SPP）是金属中自由电子在外界光场激发下形成的电磁模式。

Surface Plasmon Polariton ( SPP ) is a kind of the electromagnetic surface mode , arising from the electron oscillation while excitated by external light incidence .

本文简述了表面等离激元共振（SPR）原理，详述了自动扫描式SPR测量仪的组成及主要特点。

The theory of Surface Plasmon Resonance ( SPR ) is described in this paper . The components and advantages of automatic scanning SPR measurement meter is introduced in detail .

由于金属的强色散，在金属与介质的交界面支持表面等离激元共振，从而金属光子晶体TE模的能带结构可能存在平直带。

For the strong dispersion of metal , there is plasmon resonance at the interface between the metal and medium , and then there are plasmon bands for TE mode of 2D metallic photonic crystals .

通过将含有NTADOGS的磷脂单分子层膜转移到50nm厚的金膜上，制备了一种含有NTA头部的表面等离激元共振（SPR）传感器敏感膜。

Here , a type of sensor prepared by transferring NTA DOGS containing lipid monolayer to a 50 nm thick gold layer deposited on glass slide is reported .

本文描述了表面等离激元共振（SPR）原理，并给出详细的SPR测量系统硬件及软件框图。

We present the theory of surface plasmon resonance ( SPR ) biosensor in this paper . The hardware of our SPR biosensor system as well as the operating software are given in detail .

表面等离激元（SPPs）是一种存在于金属与电介质表面的电磁波，它的强度随距离界面的增大而呈指数减小。

Surface plasmon polaritons ( SPPs ) are surface electromagnetic waves propagating along the interface between metals and dielectrics , and their intensity decreases exponentially with the distance away from metal surface .

实验中还观察到了沿光束传播方向的彩虹细丝，Mie散射理论和数值计算均证实该现象来自于光还原反应生成的银纳米颗粒的表面等离激元共振散射。

In addition , we observed rainbow filaments along the light propagation . Mie Theory and numerical calculations show that it can be attributed to the scattering caused by surface plasmon resonance on the silver nanoparticles which were generated via photoreduction mechanism .

本论文的主要内容如下：1.在论文的第一章对研究背景和数值仿真方法作了简单介绍。本章首先介绍了光子晶体和表面等离激元的概念以及EOT的研究进展情况。

The main content is as follows : 1 . A brief introduction about the research background and the numerical method in Chapter 1.The concepts and research progresses of photonic crystal and surface plasmon are introduced at the beginning of this chapter .

介质加载表面等离激元的近场光学观测

Dielectric-loaded surface plasmon polariton studied by using scanning near-field optical microscopy

进而建立表面等离激元共振生物传感成像。

Furthermore , imaging surface plasmon resonance for biosensors analysis is established .

利用液晶调制表面等离激元共振的分子传感器

The molecular sensor based on surface plasmon resonance tuned with liquid crystal

表面等离激元体干涉制备纳米光子晶体的模拟分析

Photonic Crystal Fabrication Based on Surface Plasmon Polaritons Interference Nanolithography

局域场增强是贵金属纳米粒子在表面等离激元共振时的一个重要效应。

The localized field enhancement is an important effect of suface plasmon resonance in noble metal nanoparticles .

这些优良特性主要来源于复合物中银纳米粒子的表面等离激元共振及其内部的电子跃迁。

These fine properties are mainly due to the surface plasmon resonance and inner electron transition of silver nanoparticles .

定性的解释了负折射现象的物理本质与耦合的表面等离激元有关。

A clear view of the underlying physics of NR is presented qualitatively that is mainly related to the coupled SPPs .

金属纳米结构能够支持表面等离激元共振，为人们提供了一种打破衍射极限，将传统光学推向亚波长纳米光学的方法。

Metal nanostructures support surface plasmon resonances which offer a way to the diffraction limit and open a route to sub-wavelength optics .

基于表面等离激元共振技术研制而成的生物传感器在生物学、医学、化学等领域获得了十分广泛的应用。

Biosensors based on SPR technology have been widely used in various fields such as biology , medicine , chemistry , and so on .

得到了非线性介质-金属-非线性介质三层结构中表面等离激元色散关系的解析式，分别讨论了非对称结构和对称结构。

The analytic expression of the dispersion relation of surface plasmons in nonlinear-metal-nonlinear structure is obtained . Both asymmetric and symmetric structures are analyzed .

当纳米金属结构置于发光层附近时，金属／介质界面产生的表面等离激元能够提高发光层辐射效率。

When a metal structure is placed nearby the emitting layer , the SPPs generated on the metal / dielectric surface can increase the emission efficiency .

基于补偿媒质和折叠几何的变换光学，提出了金属/介质界面缝隙上表面等离激元的耦合传输方法。

Based on the complementary media and folded-geometry transformation optics , the coupling of SPPs through the gap in the dielectric / metallic interface has been proposed .

然后讨论了纳米金属颗粒的局域化表面等离激元现象，并对金属颗粒组合结构的近场和远场特性进行了研究。

The Localized Surface Plasmon ( LSP ) of the nano-scale metallic particles is studied , then the near-field and far-field properties of the particle arrays are analyzed .

使用时域有限元分析及数值积分方法，我们模拟了远场散射及表面等离激元的分布，结果与实验十分符合。

By finite difference time domain and numerical integer methods , we calculated far-field scattering and surface plasmons distributions . The results are in good agreement with the experiment .

由于表面等离激元对于材料、光波的入射角度和波长十分敏感，它已经在生物、化学检测领域大量应用。

As the SP is sensitive to materials , incident angle and wavelength , it has been widely used in lots of fields such as biological detection and chemical detection .

研究表明：表面等离激元共振频率和相应的衰减率与不同的极化模式相对应，并且随着球壳厚度的变化而变化。

The research shows that the frequency of plasmon resonances and the decay rate correspond to different polarized modes and also vary differently with the increase of the shell thickness .

具体内容包括以下几方面：1、论文首先介绍了表面等离激元的基本物理概念、特点。

The thesis is mainly composed of four sections that are arranged as following : 1 . We will give a detailed introduction about the physical conception , characteristics , and basic features about surface plasmon polaritons .