OPTICAL TRANSCEIVER USING HETERODYNE DETECTION AND A TRANSMITTED REFERENCE CLOCK
    11.
    发明申请
    OPTICAL TRANSCEIVER USING HETERODYNE DETECTION AND A TRANSMITTED REFERENCE CLOCK 失效
    光学收发器使用异常检测和发送的参考时钟

    公开(公告)号:US20080145063A1

    公开(公告)日:2008-06-19

    申请号:US12014019

    申请日:2008-01-14

    IPC分类号: H04B10/00

    摘要: A heterodyne communication system uses coherent data modulation that is resistant to phase noise. In particular, a pilot tone and reference clock signal are transmitted along with the modulated data to form the basis of an electrical demodulation local oscillator at the receiver. The pilot tone and/or reference clock signal carry phase noise which is correlated with the phase noise in the data signal. At the receiver, the local oscillator is generated from the pilot tone and reference clock signal in a manner so that the local oscillator also has phase noise which is correlated with the phase noise in the data signal. Thus, the two noise components can be used to cancel each other during demodulation of the data signal using the local oscillator.

    摘要翻译: 外差通信系统使用耐相位噪声的相干数据调制。 特别地,导频和参考时钟信号与调制数据一起发送,以形成接收机处的电解调本地振荡器的基础。 导频音和/或参考时钟信号携带与数据信号中的相位噪声相关的相位噪声。 在接收器处,本地振荡器以导频和参考时钟信号的方式产生,使得本地振荡器也具有与数据信号中的相位噪声相关的相位噪声。 因此,使用本地振荡器在解调数据信号期间可以使用两个噪声分量来相互抵消。

    Optical communications using multiplexed single sideband transmission and heterodyne detection
    12.
    发明申请
    Optical communications using multiplexed single sideband transmission and heterodyne detection 有权
    使用复用单边带传输和外差检测的光通信

    公开(公告)号:US20070133993A1

    公开(公告)日:2007-06-14

    申请号:US11514381

    申请日:2006-08-31

    IPC分类号: H04J14/02

    CPC分类号: H04B10/50 H04B10/61 H04B10/64

    摘要: A transmitter subsystem generates an optical signal which contains multiple subbands of information. The subbands have different polarizations. For example, in one approach, two or more optical transmitters generate optical signals which have different polarizations. An optical combiner optically combines the optical signals into a composite optical signal for transmission across an optical fiber. In another approach, a single optical transmitter generates an optical signal with multiple subbands. The polarization of the subbands is varied, for example by using a birefringent crystal. In another aspect of the invention, each optical transmitter generates an optical signal containing both a lower optical sideband and an upper optical sideband (i.e., a double sideband optical signal). An optical filter selects the upper optical sideband of one optical signal and the lower optical sideband of another optical signal to produce a composite optical signal.

    摘要翻译: 发射机子系统产生包含多个信息子带的光信号。 子带具有不同的极化。 例如,在一种方法中,两个或更多个光发射机产生具有不同偏振的光信号。 光学组合器将光学信号光学地组合成用于跨光纤传输的复合光信号。 在另一种方法中,单个光发射机产生具有多个子带的光信号。 例如通过使用双折射晶体来改变子带的极化。 在本发明的另一方面,每个光发射机产生包含下光边带和上光边带(即,双边带光信号)的光信号。 光滤波器选择一个光信号的上光边带和另一光信号的下光边带产生复合光信号。

    Process for making salt-free amphoterics with high mono amphopropionate
content
    13.
    发明授权
    Process for making salt-free amphoterics with high mono amphopropionate content 失效
    制备具有高单丙酰丙酸含量的无盐两性离子的方法

    公开(公告)号:US6030938A

    公开(公告)日:2000-02-29

    申请号:US775483

    申请日:1996-12-31

    IPC分类号: C11D1/10 C11D1/38

    CPC分类号: C11D1/10 C11D1/38

    摘要: A novel, salt-free monoamphopropionate amphoteric surfactant is prepared in yields of from 75% to 80%, from a reaction comprising an imidazoline and a mixture of acrylic acid and sodium acrylate in an aqueous medium. The acrylic acid/sodium acrylate mixture is comprised of the two components in a range of molar ratios of from about 1:6 to about 1:3, respectively, and by replacing methyl acrylate, the reaction does away with the production of methanol which is an unwanted, hazardous and toxic byproduct. The imidazoline reacts in amounts in excess of 90% resulting in the highly pure yields and any left over unreacted acrylic acid can be easily removed by treating it with sodium bisulfate.

    摘要翻译: 在水性介质中,从包含咪唑啉和丙烯酸和丙烯酸钠的混合物的反应中制备了一种新型的无盐异丙基丙酸酯两​​性表面活性剂,产率为75%至80%。 丙烯酸/丙烯酸钠混合物分别由摩尔比为约1:6至约1:3的两种组分组成,并且通过代替丙烯酸甲酯,反应消除了甲醇的生成, 一种不需要的,有害的和有毒的副产品。 咪唑啉以超过90%的量反应,导致高纯度的产率,任何残留在未反应的丙烯酸上都可以通过用硫酸氢钠处理来容易地除去。

    Confined pulsed laser deposition method for depositing metastable thin film
    16.
    发明授权
    Confined pulsed laser deposition method for depositing metastable thin film 有权
    用于沉积亚稳薄膜的密闭脉冲激光沉积方法

    公开(公告)号:US08939107B2

    公开(公告)日:2015-01-27

    申请号:US13037077

    申请日:2011-02-28

    摘要: A confined pulsed laser deposition method and apparatus that includes an ablative coating between a transparent confinement layer and a backing plane, and a laser beam directed through the confinement layer to ablate the coating at generally ambient temperature and pressure, and using laser induced pressure to synthesize metaphase from the ablative coating. For example, diamond phase carbon can be synthesized from a graphite coating. The laser beam can be directed through a focus lens to control the final spot size, or through a beam diffuser to make the intensity more uniform. An XYZ-stage can position a desired target area of the ablative coating to be irradiated by the laser beam. The laser beam can have an intensity of less than about 6 GW/cm2, or less than about 4 GW/cm2. The laser beam can have an excitation wavelength of about 568 nm.

    摘要翻译: 一种限制脉冲激光沉积方法和装置,其包括透明约束层和背衬平面之间的烧蚀涂层,以及引导通过约束层的激光束,以在一般环境温度和压力下烧蚀涂层,并且使用激光诱导压力合成 烧蚀涂层的中期。 例如,可以由石墨涂层合成金相碳。 激光束可以被引导通过聚焦透镜来控制最终光斑尺寸,或者通过光束漫射器使得强度更均匀。 XYZ级可以定位由激光束照射的烧蚀涂层的期望目标区域。 激光束可以具有小于约6GW / cm 2或小于约4GW / cm 2的强度。 激光束可以具有约568nm的激发波长。

    Metal nanoparticle structures for enhancing fluorescence-based assays
    17.
    发明授权
    Metal nanoparticle structures for enhancing fluorescence-based assays 有权
    用于增强基于荧光的测定的金属纳米颗粒结构

    公开(公告)号:US08785352B2

    公开(公告)日:2014-07-22

    申请号:US13643875

    申请日:2011-04-29

    摘要: Provided, among other things, is a multiplex assay comprising: conducting a fluorescence-developing assay on microtabs having at least one surface that shows plasmonic enhancement, wherein a plurality of the microtabs have unique probes affixed to their plasmonically enhanced surfaces; and measuring the fluorescence associated with the substrates and identifying the correlated probe by for the microtab. The microtabs can be, for example, MTPs that send a unique identifier, and the correlated probe can be identified by querying the MTPs for their identifier.

    摘要翻译: 除其他之外,提供多重测定,其包括:对具有至少一个表现出等离子体激增的表面的微切片进行荧光显影分析,其中多个微切片具有固定于其等离子体增强表面的独特探针; 并测量与底物相关的荧光,并通过microtab鉴定相关探针。 微型计算机可以是例如发送唯一标识符的MTP,并且可以通过查询MTP的标识符来识别相关探测器。

    RESONANCE CONVERTING APPARATUS AND SYNCHRONOUS RECTIFICATION CIRCUIT
    18.
    发明申请
    RESONANCE CONVERTING APPARATUS AND SYNCHRONOUS RECTIFICATION CIRCUIT 有权
    谐振转换装置和同步整流电路

    公开(公告)号:US20100290256A1

    公开(公告)日:2010-11-18

    申请号:US12603620

    申请日:2009-10-22

    IPC分类号: H02M3/335

    摘要: Provided is a resonance converting apparatus. The resonance converting apparatus preferably includes a resonant circuit, a bridge-type converter, and a synchronous rectification circuit. In which the resonant circuit has a transformer. The bridge-type converter connects with a primary side of the transformer, and operates open or close according to a switching signal. The synchronous rectification circuit further includes a pair of rectification transistors and driving circuits. The driving circuits correspondingly connect with channels to the rectification transistors, and respectively examine the current passing through the rectification transistors. A sensing signal is then generated. In accordance with the switching signal and the sensing signal, a driving signal is generated for driving the rectification transistor. Consequently the apparatus can raise the efficiency of the resonance converting apparatus.

    摘要翻译: 提供了一种谐振转换装置。 共振转换装置优选地包括谐振电路,桥式转换器和同步整流电路。 其中谐振电路具有变压器。 桥式转换器与变压器的初级侧相连,根据开关信号开启或关闭。 同步整流电路还包括一对整流晶体管和驱动电路。 驱动电路相应地将通道连接到整流晶体管,并分别检查通过整流晶体管的电流。 然后产生感测信号。 根据开关信号和感测信号,产生用于驱动整流晶体管的驱动信号。 因此,该装置可以提高谐振转换装置的效率。

    Apparatus and method for measuring a property of a layer in a multilayered structure
    19.
    发明申请
    Apparatus and method for measuring a property of a layer in a multilayered structure 有权
    用于测量多层结构中的层的性质的装置和方法

    公开(公告)号:US20050200850A1

    公开(公告)日:2005-09-15

    申请号:US11120427

    申请日:2005-05-02

    申请人: Peter Borden Ji Li

    发明人: Peter Borden Ji Li

    CPC分类号: G01N27/041 G01N21/1717

    摘要: A property of a layer is measured by: (1) focusing a heating beam on a region (also called “heated region”) of a conductive layer (2) modulating the power of the heating beam at a predetermined frequency that is selected to be sufficiently low to ensure that at any time the temperature of an optically absorbing layer is approximately equal to (e.g., within 90% of) a temperature of the optically absorbing layer when heated by an unmodulated beam, and (3) measuring the power of another beam that is (a) reflected by the heated region, and (b) modulated in phase with modulation of the heating beam. The measurement in act (3) can be used directly as a measure of the resistance (per unit area) of a conductive pad formed by patterning the conductive layer. Change in measurement across regions indicates a corresponding change in resistance of the layer.

    摘要翻译: 通过以下方式测量层的性质:(1)将加热束聚焦在导电层(2)的区域(也称为“加热区域”)上,该导电层以预定的频率调制加热束的功率,该预定频率被选择为 足够低以确保在任何时候,光吸收层的温度近似等于当由未调制光束加热时光学吸收层的温度(例如,90%以内),和(3)测量另一个的功率 (a)由加热区域反射的光束,和(b)通过加热光束的调制相位调制。 作用(3)中的测量可以直接用作通过图案化导电层形成的导电焊盘的电阻(每单位面积)的量度。 跨区域测量的变化表示层的电阻的相应变化。