利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

6 条记录 (耗时 0.034 秒)

    Systems and methods for environmentally insensitive high-performance fiber-optic gyroscopes
    1.
    发明授权
    Systems and methods for environmentally insensitive high-performance fiber-optic gyroscopes 有权
    用于环境不敏感的高性能光纤陀螺仪的系统和方法

    公开(公告)号：US08717575B2

    公开(公告)日：2014-05-06

    申请号：US13211658

    申请日：2011-08-17

    申请人： Steven J. Sanders ,  Jeffrey E. Lewis ,  Sorin Mosor ,  David A. Doheny ,  Norman Gerard Tarleton ,  Austin Taranta

    发明人： Steven J. Sanders ,  Jeffrey E. Lewis ,  Sorin Mosor ,  David A. Doheny ,  Norman Gerard Tarleton ,  Austin Taranta

    IPC分类号： G01C19/72

    CPC分类号： G01C19/721

    摘要： Systems and methods for environmentally insensitive high-performance fiber-optic gyroscopes are provided. In one embodiment, a loop closure electronics apparatus for a fiber optic gyroscope having an optical phase modulator characterized by a transfer function that includes an error component of at least second order is provided. The apparatus comprises: a first digital circuit that generates a digital bias modulation signal; a second digital circuit that generates a digital feedback signal; at least one digital-to-analog converter that produces an electrical signal that drives the phase modulator from the digital bias modulation signal and the digital feedback signal; and a compensator that includes an analog filter of at least second order and a digital filter of at least second order, wherein the analog filter and the digital filter pre-filter the electrical signal to compensate for the error component.

    摘要翻译： 提供了环境不敏感的高性能光纤陀螺仪的系统和方法。 在一个实施例中，提供了一种用于光纤陀螺仪的闭环电子装置，其具有光学相位调制器，其特征在于包括至少二阶的误差分量的传递函数。 该装置包括：产生数字偏置调制信号的第一数字电路; 产生数字反馈信号的第二数字电路; 至少一个数模转换器，其产生从所述数字偏置调制信号和所述数字反馈信号驱动所述相位调制器的电信号; 以及补偿器，其包括至少二阶的模拟滤波器和至少二阶的数字滤波器，其中所述模拟滤波器和所述数字滤波器对所述电信号进行预滤波以补偿所述误差分量。

    APPARATUS AND METHOD FOR DETECTING THE PRESENCE OF AN AGENT
    2.
    发明申请
    APPARATUS AND METHOD FOR DETECTING THE PRESENCE OF AN AGENT 审中-公开
    检测药剂存在的装置和方法

    公开(公告)号：US20110295511A1

    公开(公告)日：2011-12-01

    申请号：US11876476

    申请日：2007-10-22

    申请人： Glen A. Sanders ,  Jeffrey E. Lewis

    发明人： Glen A. Sanders ,  Jeffrey E. Lewis

    IPC分类号： G06F19/00

    CPC分类号： G01N21/7746 ,  G01N2021/7709 ,  G01N2021/7716

    摘要： An apparatus and method for detecting an agent utilizes a substrate, a waveguide on the substrate, a light source, a photo-detector, an optical coupler on the substrate, and a processor. The light source is configured to emit light into the waveguide. The photo-detector is configured to detect light. The optical coupler is configured to direct a first portion of light propagating from the waveguide towards the photo-detector and to direct a second portion of the light propagating from the waveguide back into the waveguide. The waveguide and the optical coupler at least partially form a resonator. A substance is at least one of embedded within the waveguide and adjacent to the waveguide. The substance is reactive to the agent. The processor detects a change in a resonance lineshape of the resonator caused by the reaction of the substance to the agent.

    摘要翻译： 用于检测试剂的装置和方法利用衬底，衬底上的波导，光源，光检测器，衬底上的光耦合器和处理器。 光源被配置为将光发射到波导中。 光检测器被配置为检测光。 光耦合器被配置为将从波导传播的光的第一部分引导到光检测器并且将从波导传播的光的第二部分引导回到波导中。 波导和光耦合器至少部分地形成谐振器。 物质是嵌入在波导内并与波导相邻的至少一个。 物质与药剂反应。 处理器检测由物质与试剂的反应引起的谐振器的谐振线形变化。

    Devices and methods for spatial filtering
    3.
    发明授权
    Devices and methods for spatial filtering 有权
    用于空间过滤的设备和方法

    公开(公告)号：US07711216B2

    公开(公告)日：2010-05-04

    申请号：US11864742

    申请日：2007-09-28

    申请人： Jeffrey E. Lewis

    发明人： Jeffrey E. Lewis

    IPC分类号： G02B6/00 ,  G02B6/14

    CPC分类号： G02B6/1345 ,  G02B6/126

    摘要： Methods and devices for polarizing light in a proton exchange polarizer where cross-coupling of unwanted modes of light is reduced with an integrated spatial filter. An optically transmissive substrate such as a substrate created from LiNbO3 or LiTaO3 has side surfaces, which reflect unguided TM mode light. The light originates from an input fiber. The input fiber is connected to the substrate at one end and an output fiber is connected to receive guided TE mode light at the opposite end. The spatial filter is positioned at the primary reflection position of the light with respect to the sides of the polarizer. To improve extinction further, the spatial filter can also be located at secondary reflection points in another alternate embodiment.

    摘要翻译： 用于在质子交换偏振器中偏振光的方法和装置，其中不需要的光模的交叉耦合通过集成的空间滤波器减小。 诸如由LiNbO 3或LiTaO 3产生的基板的光学透射基板具有反射无导向的TM模式光的侧表面。 光来自输入光纤。 输入光纤在一端连接到基板，并且输出光纤被连接以在相对端接收被引导的TE模式光。 空间滤光器相对于偏振器的侧面位于光的主反射位置。 为了进一步改善消光，空间滤波器也可以位于另一替代实施例中的二次反射点处。

    DEVICES AND METHODS FOR SPATIAL FILTERING
    4.
    发明申请
    DEVICES AND METHODS FOR SPATIAL FILTERING 有权
    用于空间滤波的装置和方法

    公开(公告)号：US20090087133A1

    公开(公告)日：2009-04-02

    申请号：US11864742

    申请日：2007-09-28

    申请人： Jeffrey E. Lewis

    发明人： Jeffrey E. Lewis

    IPC分类号： G02B6/14

    CPC分类号： G02B6/1345 ,  G02B6/126

    摘要： Methods and devices for polarizing light in a proton exchange polarizer where cross-coupling of unwanted modes of light is reduced with an integrated spatial filter. An optically transmissive substrate such as a substrate created from LiNbO3 or LiTaO3 has side surfaces, which reflect unguided TM mode light. The light originates from an input fiber. The input fiber is connected to the substrate at one end and an output fiber is connected to receive guided TE mode light at the opposite end. The spatial filter is positioned at the primary reflection position of the light with respect to the sides of the polarizer. To improve extinction further, the spatial filter can also be located at secondary reflection points in another alternate embodiment.

    摘要翻译： 用于在质子交换偏振器中偏振光的方法和装置，其中不需要的光模的交叉耦合通过集成的空间滤波器减小。 诸如由LiNbO 3或LiTaO 3产生的基板的光学透射基板具有反射无导向的TM模式光的侧表面。 光来自输入光纤。 输入光纤在一端连接到基板，并且输出光纤被连接以在相对端接收被引导的TE模式光。 空间滤光器相对于偏振器的侧面位于光的主反射位置。 为了进一步改善消光，空间滤波器也可以位于另一替代实施例中的二次反射点处。

    SYSTEMS AND METHODS FOR ENVIRONMENTALLY INSENSITIVE HIGH-PERFORMANCE FIBER-OPTIC GYROSCOPES
    6.
    发明申请
    SYSTEMS AND METHODS FOR ENVIRONMENTALLY INSENSITIVE HIGH-PERFORMANCE FIBER-OPTIC GYROSCOPES 有权
    环境敏感的高性能光纤陀螺仪的系统和方法

    公开(公告)号：US20130044328A1

    公开(公告)日：2013-02-21

    申请号：US13211658

    申请日：2011-08-17

    申请人： Steven J. Sanders ,  Jeffrey E. Lewis ,  Sorin Mosor ,  David A. Doheny ,  Norman Gerard Tarleton ,  Austin Taranta

    发明人： Steven J. Sanders ,  Jeffrey E. Lewis ,  Sorin Mosor ,  David A. Doheny ,  Norman Gerard Tarleton ,  Austin Taranta

    IPC分类号： G01C19/72

    CPC分类号： G01C19/721

    摘要： Systems and methods for environmentally insensitive high-performance fiber-optic gyroscopes are provided. In one embodiment, a loop closure electronics apparatus for a fiber optic gyroscope having an optical phase modulator characterized by a transfer function that includes an error component of at least second order is provided. The apparatus comprises: a first digital circuit that generates a digital bias modulation signal; a second digital circuit that generates a digital feedback signal; at least one digital-to-analog converter that produces an electrical signal that drives the phase modulator from the digital bias modulation signal and the digital feedback signal; and a compensator that includes an analog filter of at least second order and a digital filter of at least second order, wherein the analog filter and the digital filter pre-filter the electrical signal to compensate for the error component.

    摘要翻译： 提供了环境不敏感的高性能光纤陀螺仪的系统和方法。 在一个实施例中，提供了一种用于光纤陀螺仪的闭环电子装置，其具有光学相位调制器，其特征在于包括至少二阶的误差分量的传递函数。 该装置包括：产生数字偏置调制信号的第一数字电路; 产生数字反馈信号的第二数字电路; 至少一个数模转换器，其产生从所述数字偏置调制信号和所述数字反馈信号驱动所述相位调制器的电信号; 以及补偿器，其包括至少二阶的模拟滤波器和至少二阶的数字滤波器，其中所述模拟滤波器和所述数字滤波器对所述电信号进行预滤波以补偿所述误差分量。