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61. 发明申请

US20060109541A1 Controlling resonant cells of a composite material 失效
公开(公告)号：US20060109541A1
公开(公告)日：2006-05-25
申请号：US11035625
申请日：2005-01-14
申请人： Viatcheslav Osipov , Alexandre Bratkovski
发明人： Viatcheslav Osipov , Alexandre Bratkovski
IPC分类号： G02F1/00
CPC分类号： H01Q15/0086 , G02F1/0126 , G02F1/29 , H01Q3/44 , Y10T29/4902 , Y10T29/49798
摘要： An apparatus for controlling propagation of incident electromagnetic radiation is described, comprising a composite material having electromagnetically reactive cells of small dimension relative to a wavelength of the incident electromagnetic radiation. Each electromagnetically reactive cell comprises a metallic element and a substrate. An electron population within the substrate near the metallic element of at least one of the electromagnetically reactive cells is temporally controllable to allow temporal control of an associated effective refractive index encountered by the incident electromagnetic radiation while propagating through said composite material.

62. 发明申请

US20050023630A1 AMPLIFIERS USING SPIN INJECTION AND MAGNETIC CONTROL OF ELECTRON SPINS 有权
标题翻译：使用电子旋转的旋转注入和磁控制的放大器
公开(公告)号：US20050023630A1
公开(公告)日：2005-02-03
申请号：US10632038
申请日：2003-07-30
申请人： Viatcheslav Osipov , Alexandre Bratkovski
发明人： Viatcheslav Osipov , Alexandre Bratkovski
IPC分类号： H01L29/66 , H01L29/82 , H01L21/00
CPC分类号： B82Y10/00 , G11C2213/18 , H01L29/66984
摘要： Ultrafast solid state amplifiers of electrical current, including power amplification devices, use injection of spin-polarized electrons from a magnetic region into another magnetic region through a semiconductor control region and electron spin precession inside the control region induced by magnetic field resulting from a current flowing through a conductive nanowire. The amplifiers may include magnet-semiconductor-magnet heterostructures and are able to operate on electric currents and electromagnetic waves having frequencies up to 100 GHz or more.
摘要翻译：包括功率放大装置的电流的超快固态放大器使用通过半导体控制区域将磁极区域的自旋极化电子注入到另一个磁性区域，并由电流流过的磁场引起的电子自旋进动通过导电纳米线。放大器可以包括磁体 - 半导体 - 磁体异质结构，并且能够对频率高达100GHz或更高的电流和电磁波进行操作。

63. 发明授权

US08983238B2 Optical resonator tuning using piezoelectric actuation 有权
标题翻译：使用压电驱动的光谐振器调谐
公开(公告)号：US08983238B2
公开(公告)日：2015-03-17
申请号：US12260016
申请日：2008-10-28
申请人： Alexandre Bratkovski , Sagi Mathai , Duncan Stewart
发明人： Alexandre Bratkovski , Sagi Mathai , Duncan Stewart
IPC分类号： G02F1/035 , G02B6/10 , G02B6/12
CPC分类号： G02B6/12007
摘要： An optical resonator configured to be tuned using piezoelectric actuation, includes a core, the core being configured to transmit light; a piezoelectric layer; a first electrode and a second electrode. The piezoelectric layer is interposed between the first electrode and the second electrode. A voltage difference across the first and second electrodes alters a geometric dimension of the piezoelectric layer such that physical force is applied to the core and a resonant optical frequency of the resonator is changed. A method of utilizing mechanical stress to tune an optical resonator includes applying physical force to the resonator by subjecting a piezoelectric material to an electric field, the physical force changing a resonant frequency of the resonator.
摘要翻译：构造成使用压电致动调谐的光学谐振器包括芯，所述芯被配置为透射光; 压电层; 第一电极和第二电极。压电层介于第一电极和第二电极之间。第一和第二电极两端的电压差改变了压电层的几何尺寸，使得物理力被施加到磁芯上，并且谐振器的谐振光频率改变。利用机械应力来调谐光学谐振器的方法包括通过使压电材料经受电场来施加物理力，所述物理力改变谐振器的谐振频率。

64. 发明申请

US20140176942A1 SURFACE ENHANCED RAMAN SPECTROSCOPY EMPLOYING A NANOROD IN A SURFACE INDENTATION 有权
标题翻译：表面增强拉曼光谱在表面印刷中使用纳米糖
公开(公告)号：US20140176942A1
公开(公告)日：2014-06-26
申请号：US14233957
申请日：2011-07-27
申请人： Alexandre Bratkovski , Zhiyong Li
发明人： Alexandre Bratkovski , Zhiyong Li
IPC分类号： G01N21/65 , G01N21/01
CPC分类号： G01N21/658 , G01N21/01
摘要： A surface enhanced Raman spectroscopy (SERS) apparatus employs a nanorod in an indentation in a surface of a substrate. The SERS apparatus includes the nanorod having a tip at a free end opposite to an end of the nanorod that is supported by the substrate indentation. The indentation has a tapered profile and supports the nanorod at a bottom of the indentation. The free end of the nanorod extends away from the indentation bottom. The SERS apparatus further includes a Raman-active material at a surface of one or both of the nanorod and the indentation. The indentation and the nanorod facilitate one or both of production and detection of a Raman scattering signal emitted by an analyte in a vicinity of the nanorod and indentation.
摘要翻译：表面增强拉曼光谱（SERS）装置在衬底的表面中采用在压痕中的纳米棒。 SERS装置包括在由衬底压痕支撑的纳米棒的端部相对的自由端处具有尖端的纳米棒。压痕具有锥形轮廓并且支撑在压痕底部的纳米棒。纳米棒的自由端延伸远离压痕底部。 SERS装置还包括在纳米棒和凹陷中的一个或两个的表面处的拉曼活性材料。压痕和纳米棒促进由纳米棒和压痕附近的分析物发射的拉曼散射信号的生成和检测中的一个或两个。

65. 发明申请

US20120035057A1 ROOM-TEMPERATURE SUPERCONDUCTIVE-LIKE DIODE DEVICE 审中-公开
标题翻译：室温超导型二极管器件
公开(公告)号：US20120035057A1
公开(公告)日：2012-02-09
申请号：US12849712
申请日：2010-08-03
申请人： Alexandre Bratkovski , Iakov Kopelevitch
发明人： Alexandre Bratkovski , Iakov Kopelevitch
IPC分类号： H01B12/06 , H01L39/12 , G01R27/08 , H01L39/24
CPC分类号： H01L39/005
摘要： Methods and apparatus characterized by distinct operating modes are provided. A thin graphite material defined by graphene layers is supported on a silicon substrate. The graphite material is defined by edge sites at the interface with the silicon. The graphite material is characterized by electrical superconductive-like behavior at room-temperatures while electrical current flows there through in a first direction. The graphite material is further characterized by a transition to Ohmic behavior while electrical current flows there through in a second direction opposite to the first. Devices exhibiting diode-like behavior can be formed accordingly.
摘要翻译：提供了以不同操作模式为特征的方法和装置。由石墨烯层限定的薄的石墨材料被支撑在硅衬底上。石墨材料由与硅界面处的边缘部位定义。石墨材料的特征在于在室温下具有超导电性能，同时电流沿着第一方向流过。石墨材料的特征还在于以欧姆行为的转变，而电流在与第一方向相反的第二方向流过其中。可以形成具有二极管状行为的装置。

66. 发明申请

US20110267048A1 MAGNETICALLY SENSITIVE DEVICES 审中-公开
标题翻译：磁敏感器件
公开(公告)号：US20110267048A1
公开(公告)日：2011-11-03
申请号：US12770502
申请日：2010-04-29
申请人： Alexandre Bratkovski , Iakov Kopelevitch
发明人： Alexandre Bratkovski , Iakov Kopelevitch
IPC分类号： G01R33/02
CPC分类号： G01R33/02
摘要： Methods and apparatus pertaining to magnetically sensitive devices are provided. A device includes a graphite containing-material (GCM) supported in contact with respective pairs of electrodes. The GCM is subject to a magnetic field. Various levels of electric current are driven through the GCM, while corresponding voltage measurements are taken. Resulting current-versus-voltage data pairs are compared to calibration data for the device. Magnetic field intensities, operating states of the device or other determinations can be made according to the comparison.
摘要翻译：提供了与磁敏装置相关的方法和装置。一种装置包括与相应的电极对相互支撑的石墨包含材料（GCM）。 GCM受到磁场的影响。通过GCM驱动各种电流，同时进行相应的电压测量。将所得的电流对电压数据对与设备的校准数据进行比较。可以根据比较进行磁场强度，装置的操作状态或其他确定。

67. 发明授权

US07720342B2 Optical device with a graded bandgap structure and methods of making and using the same 有权
标题翻译：具有分级带隙结构的光学器件及其制造和使用方法
公开(公告)号：US07720342B2
公开(公告)日：2010-05-18
申请号：US12262394
申请日：2008-10-31
申请人： Alexandre Bratkovski , Theodore I. Kamins , David Fattal , Raymond Beausoleil
发明人： Alexandre Bratkovski , Theodore I. Kamins , David Fattal , Raymond Beausoleil
IPC分类号： G02B6/036 , H01L31/107
CPC分类号： G02F1/01725 , B82Y20/00 , G02F2001/0175 , G02F2203/15 , H01L31/105
摘要： An optical device includes at least two materials forming a structure with a graded bandgap where photocarriers are generated. A first of the at least two materials has a larger concentration at opposed ends of the graded bandgap structure than a concentration of the first of the at least two materials at an interior region of the graded bandgap structure. The second of the at least two materials has a larger concentration at the interior region of the graded bandgap structure than the concentration of the second of the at least two materials at the opposed ends of the graded bandgap structure.
摘要翻译：光学装置包括至少两种材料，其形成具有产生光载流子的渐变带隙的结构。所述至少两种材料中的第一种在分级带隙结构的相对端具有比在渐变带隙结构的内部区域处的至少两种材料中的第一种的浓度更大的浓度。所述至少两种材料中的第二种在梯度带隙结构的内部区域具有比在渐变带隙结构的相对端处的至少两种材料中的第二种材料的浓度更大的浓度。

68. 发明授权

US07528948B2 Controllable surface enhanced Raman spectroscopy 有权
标题翻译：可控表面增强拉曼光谱
公开(公告)号：US07528948B2
公开(公告)日：2009-05-05
申请号：US11493477
申请日：2006-07-25
申请人： Alexandre Bratkovski , Duncan R. Stewart
发明人： Alexandre Bratkovski , Duncan R. Stewart
IPC分类号： G01J3/44 , G01N21/65
CPC分类号： G01N21/658
摘要： An apparatus and related methods for facilitating surface-enhanced Raman spectroscopy (SERS) is described. The apparatus comprises a SERS-active structure near which a plurality of analyte molecules are disposed and an actuation device in actuable communication with the SERS-active structure to deform the SERS-active structure while the analyte molecules are disposed therenear. The deformation of the SERS-active structure varies an intensity of radiation Raman-scattered from the analyte molecules.
摘要翻译：描述了用于促进表面增强拉曼光谱（SERS）的装置和相关方法。该装置包括SERS-活性结构，多个分析物分子被设置在该SERS-活性结构下，以及致动装置，其与SERS-活性结构致动连接，以使SERS活性结构变形，同时分析物分子在其周围设置。 SERS活性结构的变形改变了从分析物分子散射的辐射强度。

69. 发明申请

US20080174774A1 SURFACE PLASMON ENHANCED RAMAN SPECTROSCOPY 有权
标题翻译：表面等离子体增强拉曼光谱
公开(公告)号：US20080174774A1
公开(公告)日：2008-07-24
申请号：US11657424
申请日：2007-01-23
申请人： Alexandre Bratkovski
发明人： Alexandre Bratkovski
IPC分类号： G01J3/44
CPC分类号： G01N21/658
摘要： An apparatus and related methods for spectroscopic analysis of analyte molecules is described. The analyte molecules are disposed near a metallic film that is positioned between a first medium on a first side and a second medium on a second side, the second medium being of higher refractive index than the first medium. A radiation source provides excitation radiation that propagates through the second medium toward the metallic film. The second medium and the metallic film are positioned in evanescent communication with respect to the excitation radiation, and the metallic film comprises lithographically patterned features designed to intensify surface plasmon resonance along the metallic film to promote the emission of Raman radiation from the analyte molecules. A radiation detector detects the Raman radiation emitted from the analyte molecules.
摘要翻译：描述了用于分析物分子的光谱分析的装置和相关方法。分析物分子设置在位于第一侧的第一介质和第二侧的第二介质之间的金属膜附近，第二介质的折射率高于第一介质。辐射源提供通过第二介质向金属膜传播的激发辐射。第二介质和金属膜位于相对于激发辐射的ev逝连通中，并且金属膜包括设计成加强沿着金属膜的表面等离子体共振的光刻图案特征，以促进来自分析物分子的拉曼辐射的发射。辐射检测器检测从分析物分子发射的拉曼辐射。

70. 发明申请

US20080024776A1 Controllable surface enhanced Raman spectroscopy 有权
标题翻译：可控表面增强拉曼光谱
公开(公告)号：US20080024776A1
公开(公告)日：2008-01-31
申请号：US11493477
申请日：2006-07-25
申请人： Alexandre Bratkovski , Duncan R. Stewart
发明人： Alexandre Bratkovski , Duncan R. Stewart
IPC分类号： G01J3/44 , G01N21/65
CPC分类号： G01N21/658
摘要： An apparatus and related methods for facilitating surface-enhanced Raman spectroscopy (SERS) is described. The apparatus comprises a SERS-active structure near which a plurality of analyte molecules are disposed and an actuation device in actuable communication with the SERS-active structure to deform the SERS-active structure while the analyte molecules are disposed therenear. The deformation of the SERS-active structure varies an intensity of radiation Raman-scattered from the analyte molecules.
摘要翻译：描述了用于促进表面增强拉曼光谱（SERS）的装置和相关方法。该装置包括SERS-活性结构，多个分析物分子被设置在该SERS-活性结构下，以及致动装置，其与SERS-活性结构致动连接，以使SERS活性结构变形，同时分析物分子在其周围设置。 SERS活性结构的变形改变了从分析物分子散射的辐射强度。

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