Broadband相关论文
Broadband achromatic polarization insensitive metalens over 950 nm bandwidth in the visible and near
Metalenses are expected to play an increasingly important role in miniaturized and integrated optical imaging components......
在对肖特基二极管电磁模型和电路模型精确建模的基础上, 设计并制作了W波段宽带八次谐波混频器.通过对肖特基二极管物理结构的分析......
基于多尺度特征结构堆叠与法布里-珀罗共振原理,设计了一种宽波段高吸收的多层齿轮形超材料吸收器,该吸收器由两层不同尺度的介质-......
提出了一种基于L形微结构单元阵列的太赫兹波段宽带反射式偏振转换器,数值分析了由L形微结构单元阵列超材料、电介质层和金属板组......
A retroreflector that reflects light along its incident direction has found numerous applications in photonics, but the ......
本文基于新型材料狄拉克半金属(Dirac semimetals,DSs),设计了一款高纯度宽频带可调谐线偏振转换器,偏振转换率(PCR)超过99％的相对......
随着宽谱段高分辨率光谱仪在海洋空间遥感领域的广泛应用，其前置消偏器的设计要求越来越高。为满足成像光谱仪的要求，利用矩阵光学的......
涡旋光束在提高通信能力方面的巨大潜力日益受到人们的青睐,而宽带特性是提高信道容量的关键。此外,当前涡旋光束产生器件存在着带......
In this Letter, we propose a broadband near-infrared (NIR) absorber based on the phase transition material VO2. By desig......
设计了一种平面-立式相结合且能够通过三维耦合方式实现多波段宽带电磁诱导透明效应的超材料。通过3个立式开口环与平面闭合方环相......
对纳秒级宽带KrF激光脉冲的时间整形进行了研究。采用受激布里渊散射(SBS)脉冲压缩KrF激光获得短脉冲,通过脉冲堆积获得KrF激光时......
以主动式毫米波全息成像的应用为背景,中国科学院上海微系统与信息技术研究所研制的异质结AlGaAs/GaAs PIN二极管毫米波开关为安检......
为了解决传统左手材料频带窄、损耗高的问题,基于等效电路模型理论和镜像对称原理,设计了一种新型左手结构。研究结果表明,此结构......
利用石墨烯与金属相结合的方法提出了一种新型超材料吸波体结构,通过改变外加偏置电压来改变石墨烯的费米能级,在微波段分别实现了......
提出了一种基于各向异性超表面的太赫兹宽带偏振转换器，该器件由金属-电介质-金属三层构成，位于顶层的是沿对角线相交的正方形谐振腔......
通过在衬底材料单侧周期性排列金属线与方形开口谐振环,设计了一种新型左手结构。通过理论分析和软件仿真,提取了该左手材料的有效......
制备了掺Er3 的TeO2-WO3-ZnO-ZnF2(TWZOF)玻璃,测量了Er3 在玻璃中的吸收光谱和970 nm激光二极管激发下的荧光光谱和荧光寿命,分别......
Recent progress in home networks enhances the application of broadband power line communication (BPL) since it does not ......
Broadband and energetic terahertz (THz) pulses can be remotely generated in air through filamentation. We review such TH......
A composite transparent YAG/Yb:YAG/YAG ceramic was prepared by a non-aqueous tape-casting method. An optical transmittan......
Tungsten disulfide(WS_2) is a type of anisotropic-layered compound and has broadband saturable absorption features as sa......
Due to the manifestation of fascinating physical phenomena and materials science, two-dimensional(2D) materials have rec......
An ultrathin,planar,broadband metalens composed of metal rectangular split-ring resonators(MRSRRs) has been designed,whi......
A low absorptivity broadband negative refractive index metamaterial with a multi-gap split-ring and metallic cross (MSMC......
This paper gives a new method into the evaluating system of telecom investment projects, i.e. Real Option. This may over......
During the SSRF(Shanghai Synchrotron Radiation Facility) storage ring phase-I commissioning, some instabilities have bee......
Powerline communications (PLC) have drawn great interest in recent years. However, most PLC standards such as HomePlug A......
A broadband class-F power amplifier for multiband LTE handsets applications is developed across 2.3-2.7 GHz.The power am......
The advent of low loss optical fiber has consistently led us to the ultra-broadband era, where bandwidths exceeding 1 Gb......
This paper proposes a two-to-one intal resonance to widen the bandwidth of vibratory energy harvesters.To describe the i......
As two crucial indicators of bistable energy harvesting performance,band width and power amplitude are simultaneously in......
低频宽带信号在提高雷达对目标的识别能力方面具有优势。为确定宽带信号的低空地面反射系数,本文对低频宽带信号的低空反射特性进......
采用自制的1 018 nm光纤激光器做泵浦源,建立了全光纤同带泵浦的宽带掺镱超荧光光纤光源实验系统,首次利用同带泵浦对单程前向结构......
为研究多态生物颗粒对目标探测等电磁设备的影响,将制备出的絮状生物颗粒等效为子弹玫瑰花型粒子,构建不同分枝数目和分枝长度的生......
针对平面螺旋天线要求重量轻、增益大的需求,采用了阿基米德螺旋天线加载高阻抗表面的低剖面方案.方案中设计了一种基板由两种介质......
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
Rational Construction of Hierarchically Porous Fe-Co/N-Doped Carbon/rGO Composites for Broadband Mic
Developing lightweight and broadband microwave absorbers for dealing with serious electromagnetic radiation pollution is......
介绍了一种应用于超短波频段OFDM信号的线性功率放大器,设计简单、成本较低。使用SourcePull和LoadPull技术仿真出最佳源阻抗和负......
提出了一款4G频段全覆盖高输出功率高效率功率放大器。设计采用的是Cree公司提供的Ga N HEMT晶体管CGH40025F。基于F类功率放大器......
提出一种新型宽带、结构紧凑的基片集成波导(SIW)背腔阵列天线的设计方法。所设计的SIW阵列由紧密相连的背腔构成馈电网络,每个背......
在分析传统Doherty合路结构对其带宽限制的基础上,提出一种新型负载调制网络。该负载调制网络为平行式负载调制和一段并联的1/4波......
针对普通微带天线频带窄,易导致无线电引信与其失配的问题,设计了一种弹箭引信用 S波段宽频微带天线。该天线采用上下双层圆形介质......
采用傅里叶变换红外透射光谱法和毫米波反射截面及透射率法,研究了水基泡沫的电磁波衰减性能.试验研究发现,少量的泡沫即可导致较......
An 80 nm bandwidth long wavelength erbium-doped fiber amplifier using a seed light injection method is designed.It is sh......
This article proposes a novel antenna structure by slot loading method based on the planar inverted F antenna (PIFA), wh......
