搜索结果: 1-14 共查到“理学 Perot”相关记录14条 . 查询时间(0.078 秒)
基于射线跟踪模型,提出了一种超材料角反射面结构,实现了Fabry-Perot天线增益和口径效率的提升.首先对基于超材料角反射面的Fabry-Perot天线进行了理论推导和分析.然后,设计并分析了双圆极化馈源、基于超材料角反射面的Fabry-Perot天线及其性能.最后,对所提出的Fabry-Perot天线模型进行了制造和测试.结果表明,该天线的左圆极化增益和右圆极化增益分别为21.4dBi和21....
Fabry–Perot interferometer as a solar background noise suppressor:application to daytime lidar
Lidar Atmosphere Daytime
2015/8/24
Continuous atmospheric probing by a lidar is a requirement for many applications. However, due to high solar background noise during the daytime, lidar operations are mostly restricted to night-time. ...
针对星载测风Fabry-Perot（F-P）干涉仪的核心部件F-P标准具的热稳定性对测风精度的影响，从标准具结构设计角度(材料、形状和固定方式)分析了标准具的热稳定性，并给出最优设计方案。通过对光学元件结构尺寸的优化设计，得出了F-P标准具光学元件的最佳形状尺寸，即平板厚度为25 mm，间隔元件的角度为40°。采用柔性结构固定方式，计算了F-P标准具机械结构的形状尺寸。最后基于有限元法，分析了光学...
中高层大气风速反演需要精确的确定法布里-帕罗干涉仪(Fabry-Perot Interferometer,FPI)干涉条纹的圆心和半径.本文针对FPI非闭合式干涉环条纹,提出了新的条纹圆心和半径确定方法:首先对所得到的条纹强度分布进行噪声去除预处理:包括均值滤波和自适应滤波;然后初步确定圆心,以该圆心为中心作n条射线得到n条干涉环剖线,利用高斯函数拟合得到干涉环峰值位置,再利用所得峰值位置进行圆拟...
Enhanced Transmission in Rolled-up Hyperlenses utilizing Fabry-Perot Resonances
Enhanced Transmission Rolled-up Hyperlenses Fabry-Perot Resonances
2011/8/3
Abstract: We experimentally demonstrate that the transmission though rolled-up metal/semiconductor hyperlenses can be enhanced at desired frequencies utilizing Fabry-P\'erot resonances. By means of fi...
Spontaneous emission spectrum of a V-type three-level atom in a Fabry–Perot cavity containing left-handed materials
Spontaneous emission spectrum V-type three-level atom Fabry–Perot cavity left-handed materials
2014/5/28
The spontaneous emission of a V-type Zeeman atom in a Fabry–Perot cavity containing left-handed materials(LHMs) is investigated. Because of the strong indirect quantum interference induced by the refo...
Controlling single diamond NV color center photoluminescence spectrum with a Fabry-Perot microcavity
Controlling single diamond NV color center photoluminescence spectrum Fabry-Perot microcavity
2010/11/9
We present both theoretical and experimental results on fluorescence of single defect centers in diamond nanocrystals embedded in a planar dielectric microcavity. From a theoretical point of view, we ...
基于Fabry—Perot腔阵列光谱传感器的集成化研究
MEMS Fabry—perot腔 光电探测器 读出电路
2014/5/15
本文提出了一种微型集成化光谱传感器，其结构包括不同腔长的Fabry—perot腔阵列，光电探测器阵列、读出电路几部分。一个光谱探测单元包括一个Fabry—perot腔和其下的光电探测器，各Fabry—perot腔腔长的不同，可实现对不同波长的检测。该光谱传感器无可动部件，结构性能稳定，用CMOS工艺和MEMS工艺实现一体化集成，制作体积为mm量级。文章中将详细阐述该传感器的各部分结构设计和工艺实现...
A high resolution scanning fabry-perot for OSIRIS。
Fabry-Perot Observations of HH 1/2。
Fabry perot Ha observations of the barred spiral galaxy NGC 3367
Fabry perot Ha NGC 3367 barred spiral galaxy
2009/6/11
Fabry perot Ha observations of the barred spiral galaxy NGC 3367。
Fabry-perot kinematics of hh 202-204 in the orion nebula：are they part of a big bipolar outflow?
Fabry-perot kinematics orion nebula hh 202-204
2009/6/10
Fabry-perot kinematics of hh 202-204 in the orion nebula：are they part of a big bipolar outflow?
Hα Fabry-Perot Study in the Orion Nebula (M 42)：Protoplanetary Disks
Orion Nebula Protoplanetary Disks
2009/6/9
Hα Fabry-Perot Study in the Orion Nebula (M 42)：Protoplanetary Disks。
半导体激光Fabry-Perot干涉波长的微位移测量仪
2007/8/20
摘要设计了一种基于Fabry-Perot干涉波长测量仪.这种测量仪使用两个Fabry-Perot干涉腔,其中一个作为测量腔、另一个作为参考腔,测量腔的一个反射面与被测对象安装在一起,参考腔的一个反射面与压电陶瓷安装在一起.根据透射光谱中心波长与其干涉腔长之间的关系,当参考腔与测量腔的透射光谱中心波长完全重合时,对纳米级微位移实现实时测量.光源采用半导体激光器,可获得所需要的波长值和波长变化范围.实...