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公开(公告)号:US09664560B2
公开(公告)日:2017-05-30
申请号:US14381009
申请日:2012-03-06
Applicant: R. Stanley Williams , Zhiyong Li
Inventor: R. Stanley Williams , Zhiyong Li
CPC classification number: G01J3/0205 , G01J3/44 , G01J3/4412 , G01N21/658 , G01N2201/06113 , G01N2201/068
Abstract: A double-grating surface-enhanced Raman spectrometer. The spectrometer includes a substrate; a plurality of nanofingers carried by the substrate, the nanofingers arranged to define a first optical grating; a light source oriented to project a beam of light toward the first optical grating; a second optical grating oriented to receive a beam of light scattered from the first optical grating; and a detector oriented to receive a beam of light scattered from the second optical grating.
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公开(公告)号:US20140028995A1
公开(公告)日:2014-01-30
申请号:US13452218
申请日:2012-04-20
Applicant: Alexandre M. Bratkovski , R. Stanley Williams , Zhiyong Li
Inventor: Alexandre M. Bratkovski , R. Stanley Williams , Zhiyong Li
IPC: G01N21/01
CPC classification number: G01N21/01 , G01N21/648 , G01N21/658
Abstract: Examples of integrated sensors are disclosed herein. An example of an integrated sensor includes a flexible substrate, and an array of spaced apart sensing members formed on a surface of the flexible substrate. Each of the spaced apart sensing members includes a plurality of polygon assemblies. The polygon assemblies are arranged in a controlled pattern on the surface of the flexible substrate such that each of the plurality of polygon assemblies is a predetermined distance from each other of the plurality of polygon assemblies, and each of the plurality of polygon assemblies including collapsible signal amplifying structures controllably positioned in a predetermined geometric shape.
Abstract translation: 本文公开了集成传感器的示例。 集成传感器的示例包括柔性基板和形成在柔性基板的表面上的间隔开的感测部件阵列。 每个间隔开的感测构件包括多个多边形组件。 多边形组件以可控的图案布置在柔性基板的表面上,使得多个多边形组件中的每一个距离多个多边形组件中的彼此之间是预定距离,并且多个多边形组件中的每一个包括可折叠信号 放大结构可控地定位在预定的几何形状。
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公开(公告)号:US20130278929A1
公开(公告)日:2013-10-24
申请号:US13451290
申请日:2012-04-19
Applicant: Alexandre M. Bratkovski , R. Stanley Williams , Zhiyong Li
Inventor: Alexandre M. Bratkovski , R. Stanley Williams , Zhiyong Li
IPC: G01J3/44
CPC classification number: G01J3/44 , G01J3/021 , G01N21/658
Abstract: Apparatus, methods, and hollow metal waveguides to perform surface-enhanced Raman spectroscopy are disclosed. An example apparatus includes a hollow metal waveguide to direct Raman photons from an intermediate location within a volume of the hollow metal waveguide toward a distal end of the hollow metal waveguide, and a mirror to direct incident light from a light source to the intermediate location within the volume of the hollow metal waveguide and to direct at least some of the Raman photons toward the distal end.
Abstract translation: 公开了用于执行表面增强拉曼光谱的装置,方法和中空金属波导。 示例性装置包括中空金属波导,以将拉曼光子从中空金属波导的体积内的中间位置引向中空金属波导的远端,以及反射镜,用于将来自光源的入射光引导到中间金属波导的中间位置 中空金属波导的体积并且将至少一些拉曼光子引向远端。
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公开(公告)号:US08269963B2
公开(公告)日:2012-09-18
申请号:US12771779
申请日:2010-04-30
Applicant: Fung Suong Ou , Min Hu , Wei Wu , Zhiyong Li , R Stanley Williams
Inventor: Fung Suong Ou , Min Hu , Wei Wu , Zhiyong Li , R Stanley Williams
IPC: G01J3/44
CPC classification number: G01N21/658
Abstract: A tunable apparatus for performing Surface Enhanced Raman Spectroscopy (SERS) includes a deformable layer and a plurality of SERS-active nanoparticles disposed at one or more locations on the deformable layer, wherein the one or more locations are configured to be illuminated with light of a pump wavelength to cause Raman excitation light to interact with the nanoparticles and produce enhanced Raman scattered light from molecules located in close proximity to the nanoparticles. In addition, a morphology of the deformable layer is configured to be controllably varied to modify an intensity of the Raman scattered light produced from the molecules.
Abstract translation: 用于进行表面增强拉曼光谱(SERS)的可调谐装置包括可变形层和设置在可变形层上的一个或多个位置处的多个SERS活性纳米颗粒,其中所述一个或多个位置被配置为用 泵浦波长以使拉曼激发光与纳米颗粒相互作用,并从靠近纳米颗粒的分子产生增强的拉曼散射光。 此外,可变形层的形态被配置为可控地改变以改变由分子产生的拉曼散射光的强度。
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公开(公告)号:US20110267610A1
公开(公告)日:2011-11-03
申请号:US12772063
申请日:2010-04-30
Applicant: Min HU , Wei Wu , Fung Suong Ou , Zhen Peng , Zhiyong Li , R. Stanley Williams
Inventor: Min HU , Wei Wu , Fung Suong Ou , Zhen Peng , Zhiyong Li , R. Stanley Williams
IPC: G01J3/44
CPC classification number: G01N21/658 , G01N21/7746
Abstract: A compact sensor system comprising: an analysis cell configured for photon-matter interaction, where photons are received from a light source; and an integrated-optical spectral analyzer configured for identifying a set of frequencies, the integrated-optical spectral analyzer comprising: a waveguide coupled with the analysis cell, the waveguide configured for propagating a set of frequencies through the waveguide; one or more ring resonators coupled with the waveguide, the one or more ring resonators comprising a predetermined bandwidth and configured for capturing the set of frequencies corresponding to frequencies within the predetermined bandwidth; and one or more frequency detectors coupled with the one or more tunable ring resonators, the one or more frequency detectors configured for generating electrical signals that identify each of the set of frequencies.
Abstract translation: 一种紧凑的传感器系统,包括:配置用于光子 - 物质相互作用的分析单元,其中从光源接收光子; 所述集成光谱分析仪包括:与所述分析单元耦合的波导,所述波导被配置为通过所述波导传播一组频率;以及波导,其被配置为用于识别一组频率。 一个或多个与所述波导耦合的环形谐振器,所述一个或多个环形谐振器包括预定带宽并被配置用于捕获与所述预定带宽内的频率相对应的频率集合; 以及与所述一个或多个可调环形谐振器耦合的一个或多个频率检测器,所述一个或多个频率检测器被配置用于产生标识所述一组频率中的每一个的电信号。
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公开(公告)号:US20060164635A1
公开(公告)日:2006-07-27
申请号:US11044421
申请日:2005-01-27
Applicant: M. Saif Islam , Shih-Yuan Wang , Wei Wu , Zhiyong Li , R. Stanley Williams
Inventor: M. Saif Islam , Shih-Yuan Wang , Wei Wu , Zhiyong Li , R. Stanley Williams
CPC classification number: G01N21/658 , G01N2201/0873
Abstract: Devices, systems, and methods for enhancing Raman spectroscopy and hyper-Raman are disclosed. A molecular analysis device for performing Raman spectroscopy comprises a substrate and a laser source disposed on the substrate. The laser source may be configured for emanating a laser radiation, which may irradiate an analyte disposed on a Raman enhancement structure. The Raman enhancement structure may be disposed in a waveguide. The molecular analysis device also includes a wavelength demultiplexer and radiation sensors disposed on the substrate and configured for receiving a Raman scattered radiation, which may be generated by the irradiation of the analyte and Raman enhancement structure.
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公开(公告)号:US07050659B1
公开(公告)日:2006-05-23
申请号:US11096670
申请日:2005-03-31
Applicant: R. Stanley Williams , Raymond G. Beausoleil , Wei Wu , Zhiyong Li , Philip J. Kuekes
Inventor: R. Stanley Williams , Raymond G. Beausoleil , Wei Wu , Zhiyong Li , Philip J. Kuekes
IPC: G02F1/295
CPC classification number: G02F1/3511 , G02F1/0541 , G02F1/29 , G02F1/365 , G02F2202/13 , G02F2202/32
Abstract: Controlling the propagation of electromagnetic radiation is described. A photonic bandgap medium is placed in the path of the electromagnetic radiation, the photonic bandgap medium comprising a photorefractive material. Control radiation is projected onto a surface of the photonic bandgap medium. The control radiation spatially varies a refractive index of the photorefractive material to control propagation of the electromagnetic radiation through the photonic bandgap medium.
Abstract translation: 描述控制电磁辐射的传播。 光子带隙介质放置在电磁辐射的路径中,光子带隙介质包括光折射材料。 控制辐射投影到光子带隙介质的表面上。 控制辐射在空间上改变光折射材料的折射率,以控制通过光子带隙介质的电磁辐射的传播。
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公开(公告)号:US09678013B2
公开(公告)日:2017-06-13
申请号:US14394295
申请日:2012-04-20
Applicant: Alexandre M. Bratkovski , Zhiyong Li , Wei Wu , Min Hu , R. Stanley Williams , Ansoon Kim
Inventor: Alexandre M. Bratkovski , Zhiyong Li , Wei Wu , Min Hu , R. Stanley Williams , Ansoon Kim
CPC classification number: G01N21/658 , B01L3/5088 , B01L2300/0627 , B01L2300/0819 , B01L2300/161 , G01N21/648 , G01N35/00009 , G01N2035/00019
Abstract: Examples of integrated sensors are disclosed herein. An example of an integrated sensor includes a substrate and a sensing member formed on a surface of the substrate. The sensing member includes collapsible signal amplifying structures and an area surrounding the collapsible signal amplifying structures that enables self-positioning of droplets exposed thereto toward the collapsible signal amplifying structures.
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公开(公告)号:US20140375990A1
公开(公告)日:2014-12-25
申请号:US14381009
申请日:2012-03-06
Applicant: R. Stanley Williams , Zhiyong Li
Inventor: R. Stanley Williams , Zhiyong Li
CPC classification number: G01J3/0205 , G01J3/44 , G01J3/4412 , G01N21/658 , G01N2201/06113 , G01N2201/068
Abstract: A double-grating surface-enhanced Raman spectrometer. The spectrometer includes a substrate; a plurality of nanofingers carried by the substrate, the nanofingers arranged to define a first optical grating; a light source oriented to project a beam of light toward the first optical grating; a second optical grating oriented to receive a beam of light scattered from the first optical grating; and a detector oriented to receive a beam of light scattered from the second optical grating.
Abstract translation: 双光栅表面增强拉曼光谱仪。 光谱仪包括基片; 由衬底承载的多个纳米装置,所述纳米装置布置成限定第一光栅; 光源,其朝向所述第一光栅投影光束; 第二光栅,其被定向为接收从第一光栅散射的光束; 以及用于接收从第二光栅散射的光束的检测器。
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公开(公告)号:US08735858B2
公开(公告)日:2014-05-27
申请号:US13383616
申请日:2010-04-30
Applicant: Dmitri B. Strukov , Alexandre M. Bratkovski , R. Stanley Williams , Zhiyong Li
Inventor: Dmitri B. Strukov , Alexandre M. Bratkovski , R. Stanley Williams , Zhiyong Li
IPC: H01L29/02 , H01L47/00 , H01L23/58 , H01L21/326 , H01L21/479 , H01L21/425
CPC classification number: H01L45/08 , G02F1/13471 , H01L45/085 , H01L45/14 , H01L45/142 , H01L45/146
Abstract: An ionic device includes a layer of an ionic conductor containing first and second species of impurities. The first species of impurity in the layer is mobile in the ionic conductor, and a concentration profile of the first species determines a functional characteristic of the device. The second species of impurity in the layer interacts with the first species within the layer to create a structure that limits mobility of the first species in the layer.
Abstract translation: 离子装置包括含有第一和第二种杂质的离子导体层。 层中的第一种杂质可以在离子导体中移动,并且第一种类的浓度分布决定了器件的功能特性。 层中的第二种杂质与层内的第一种物质相互作用,以产生限制层中第一种类的迁移率的结构。
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