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- The odd property on which Dr Hess's plan rests is called negative refraction. 赫斯博士的计划依赖的奇异特性叫做“阴性折射”。
- To understand how negative refraction can arise, one must know how materials affect electromagnetic waves. 要了解负折射如何发生，我们必须先知道材料如何影响电磁波。
- The phenomenon of negative refraction on the interface between meta-material and the air is also observed. 实验还发现了天线的辐射在异向介质与空气的分界面处的负折射现象;
- Five years ago, the experiment of UCSD confirmed that left- handed medium（LHM） do indeed exhibit negative refraction. 给出了一些理论预期，如负的群折射、负能量等。
- They carried out an experiment with a thin wedge of gold and visible light to demonstrate similar results with no negative refraction. 他们以薄的楔形黄金和可见光进行了一项实验，示?在不是负折射的情况下也可以产生类似的结果。
- The PhC should exhibit the negative refraction to the TE electromagnetic wave with normalized frequency of 0.5263 by analyzing its dispersion. 对其色散关系的分析表明;该设计对归一化频率为0.;5263的TE极化光波具有负折射特性。
- The tunability was analysed at the specified frequency and a large tunable range of the negative refraction is achieved. 发现负折射角度有较大的范围，适合作为可调折射角之光学元件。
- Study continually the negative refraction and imaging properties of quasiperiodic and other photonic crystal structures. 理论和实验上研究了准晶及其它光子晶体的负折射和近场成像特性。
- By relying on dispersion equation, optimal conditions for negative refraction in the interface between isotropic medium and anisotropic crystal are investigated. 分析了在各向同性介质和单轴晶体界面实现负折射的最佳条件。
- Negative refraction studies originated from left-hand materials (LHM), which are materials with simultaneously negative dielectric permittivity and negative magnetic permeability. 其中所采用的数值方法有平面波展开法，时域有限差分法和有限元素法。
- Also, previous metamaterials in the optical range had to vibrate at certain frequencies to achieve negative refraction, which resulted in high energy absorption. 另外，以前的材料中的光学范围必须在一定的振动频率，以实现负折射，导致高能量吸收。
- Much recent press in the optics community has been devoted to metamaterials, which, with their potential for negative refraction, may enable lenses with exotic optical properties. 众多的光学组织最近的刊物中都著重在材料上，一些具负数折射率的材料，可以使得透镜具有奇特的光学性质。
- Analytic calculation of the negative refraction at the sph erical surface is conducted demonstrating that the usual optical formulas still hold true for the LHM lens. 推理分析了左手性介质透镜处球形界面的负折射规律,并依此表明了常用光学公式仍适用于左手性介质。
- Present a variety of unusual electromagnetic and optical properties, such as reversed Doppler shift, Cherenkov radiation, Goos-Hanchen shift, negative refraction effect and perfect lens. 满足左手定则而得名。 左手材料中传播的相速度和群速度方向相反,因而表现出一系列奇异的电磁学特性,如反常Doppler效应、反常Cherenkov辐射、反常Goos-H(?)
- Left-handed material (LHM) is a new kind of artificial material, which has many special characters, such as negative refraction, amplification of evanescent wave, subwavelength resolution. 左手物质是最近几年才提出的一种全新的人工合成材料,其具有很多奇特的性质,如负折射、消逝波放大、次波长分辨率等。
- We propose and optimize the antireflection coating composed of a row of tapered dielectric waveguides for two-dimensional air hole-type photonic crystal negative refraction slab lens. 提出并优化了由单排渐变介质波导构成的二维空气孔型光子晶体负折射平板透镜表面的减反层,改善了成像质量。
- To further verify transmission bands were caused by positive refractive index or negative refractive index, the Snell refraction experiment was taken. 为了确定功率透射实验中出现的两个透射峰是由正折射率引起还是负折射率引起的，随后又进行了棱镜实验。
- A brief introduction to domestic research of negative refracting materials is given,and two possible routes t... 本文还简要介绍了国内负折射材料的研究现状,提出了利用高分子功能材料实现负折射的两种可能的途径。
- The local defect modes is investigated in photonic crystals with negative refractive index structural defects. 摘要研究了含有负折射率缺陷的光子晶体中的局域缺陷模。
- The high frequency forms of refractive index and negative refractions are discussed. 讨论了折射率的高频形式，并对负折射现象进行了讨论。
