公开(公告)号：US20140369699A1

公开(公告)日：2014-12-18

申请号：US13916680

申请日：2013-06-13

Applicant: Honeywell International Inc.

Inventor： Lee K. Strandjord ,  Mary K. Salit

IPC: H04B10/548

CPC classification number: G01C19/726 ,  G01C19/721 ,  G01C19/723 ,  G01C19/727 ,  H04B10/548

Abstract: Systems and methods for sideband heterodyning detection are provided. In certain embodiments a system includes an optical resonator configured to allow light to resonate therein; at least one light source that is controlled to form multiple optical fields, wherein each field is phase or frequency modulated at a common modulation frequency and is at a different frequency. The system also comprises multiple heterodyne modulators that phase or frequency modulate a respective field in the multiple fields at a respective heterodyne frequency to form multiple sidebands, wherein the corresponding heterodyne frequency is different for each heterodyne modulator; at least one coupler that couples the multiple sidebands into the optical resonator; and a feedback control that is configured to detect the multiple sidebands transmitted out of the resonator to create multiple detected sideband signals and adjust frequencies of the plurality of fields based on the multiple detected sideband signals.

Abstract translation: 提供了边带外差检测的系统和方法。 在某些实施例中，系统包括被配置为允许光在其中谐振的光学谐振器; 被控制以形成多个光场的至少一个光源，其中每个场以公共调制频率进行相位或频率调制，并且处于不同的频率。 该系统还包括多个外差调制器，其以相应的外差频率相位或频率地调制多个场中的相应场，以形成多个边带，其中相应的外差频率对于每个外差调制器是不同的; 将所述多个边带耦合到所述光学谐振器中的至少一个耦合器; 以及反馈控制，其被配置为基于所检测到的多个边带信号来检测从所述谐振器发送的所述多个边带，以创建多个检测到的边带信号并且调整所述多个场的频率。

公开(公告)号：US08830479B2

公开(公告)日：2014-09-09

申请号：US13751833

申请日：2013-01-28

Applicant: Honeywell International Inc.

Inventor： Tiequn Qiu ,  Lee K. Strandjord ,  Glen A. Sanders ,  Mary K. Salit

IPC: G01C19/72

CPC classification number: G01C19/727 ,  G01C19/723

Abstract: In one embodiment a system including a resonator fiber-optic gyroscope configured to measure rotation rate is provided. The resonator fiber-optic gyroscope includes a sensing resonator have a first resonance frequency for a first laser beam propagation direction and a second resonance frequency for a second laser beam propagation direction, an optical mixer coupled to an output of the sensing resonator and configured to mix an output of the sensing resonator with a reference laser, wherein the optical mixer outputs a beat signal, and a resonance tracking electronics coupled to the optical mixer. The resonance tracking electronics are configured to demodulate the beat signal at a frequency offset to produce first in-phase and quadrature demodulated information, generate R-squared information from a sum of squares of the first in-phase and quadrature demodulated information, and demodulate the R-squared information at a resonance tracking modulation frequency.

Abstract translation: 在一个实施例中，提供了一种包括被配置为测量旋转速率的谐振器光纤陀螺仪的系统。 谐振器光纤陀螺仪包括感测谐振器，其具有用于第一激光束传播方向的第一谐振频率和用于第二激光束传播方向的第二谐振频率，耦合到感测谐振器的输出并被配置为混合的光学混合器 具有参考激光器的感测谐振器的输出，其中所述光学混合器输出拍频信号，以及耦合到所述光学混合器的谐振跟踪电子装置。 谐振跟踪电子设备被配置为以频率偏移解调拍频信号以产生第一同相和正交解调信息，从第一同相和正交解调信息的平方和产生R平方信息，并且解调 谐振跟踪调制频率下的R平方信息。

公开(公告)号：US20140240712A1

公开(公告)日：2014-08-28

申请号：US13774678

申请日：2013-02-22

Applicant: HONEYWELL INTERNATIONAL INC.

Inventor： Lee K. Strandjord ,  Mary K. Salit ,  Tiequn Qiu ,  Glen A. Sanders

IPC: G01C19/72

CPC classification number: G01C19/721 ,  G01C19/727

Abstract: A resonator fiber optic gyroscope (RFOG) is provided. The RFOG includes a gyroscope resonator having a clockwise input port and a counter-clockwise input port; a first laser configured to couple a clockwise optical beam into to the clockwise input port; a clockwise Pound-Drever-Hall modulation generator to modulate the clockwise optical beam with a resonance tracking modulation before the clockwise optical beam is coupled into the clockwise input port; bias correction electronics; FSR-detection-and-servo electronics including a switch communicatively coupled to the clockwise Pound-Drever-Hall modulation generator; a clockwise transmission detector configured to receive an optical beam output from the counter-clockwise input port and output signals to the bias correction electronics and the FSR-detection-and-servo electronics; and a second laser configured to couple a counter-clockwise optical beam into to the counter-clockwise input port, wherein the FSR of the gyroscope resonator is measured based on the Pound-Drever-Hall modulation of the clockwise optical beam.

Abstract translation: 提供了一种谐振器光纤陀螺仪（RFOG）。 RFOG包括具有顺时针输入端口和逆时针输入端口的陀螺仪谐振器; 配置成将顺时针光束耦合到顺时针输入端口的第一激光器; 在顺时针光束耦合到顺时针输入端口之前，使用谐振跟踪调制来调制顺时针光束的顺时针方向Drever-Hall调制发生器; 偏置校正电子; FSR检测和伺服电子器件包括通信地耦合到顺时针的Dound-Drever-Hall调制发生器的开关; 顺时针传输检测器，被配置为接收从逆时针输入端口输出的光束，并将信号输出到偏置校正电路和FSR检测与伺服电子设备; 以及配置成将逆时针光束耦合到逆时针输入端口的第二激光器，其中基于顺时针光束的磅德尔 - 霍尔调制来测量陀螺仪谐振器的FSR。

公开(公告)号：US20140062608A1

公开(公告)日：2014-03-06

申请号：US14083067

申请日：2013-11-18

Applicant: Honeywell International Inc.

Inventor： Jeff A. Ridley ,  Robert Compton ,  Mary K. Salit ,  Jeffrey James Kriz

IPC: G04F5/14

CPC classification number: G04F5/14 ,  G04F5/145 ,  Y10T29/49117

Abstract: In an example, a chip-scale atomic clock physics package is provided. The physics package includes a body defining a cavity having a base surface and one or more side walls. The cavity includes a first step surface and a second step surface defined in the one or more side walls. A first scaffold mounted to the base surface in the cavity. One or more spacers defining an aperture therethrough are mounted to the second step surface in the cavity. A second scaffold is mounted to a first surface of the one or more spacers spans across the aperture of the one or more spacers. A third scaffold is mounted to a second surface of the one or more spacers in the cavity and spans across the aperture of the one or more spacers. Other components of the physics package are mounted to the first, second, and third scaffold.

Abstract translation: 在一个示例中，提供了芯片级原子钟物理包。 物理包装件包括限定具有基面和一个或多个侧壁的空腔的主体。 空腔包括限定在一个或多个侧壁中的第一台阶表面和第二台阶表面。 安装在空腔中的基面的第一脚手架。 限定穿过其中的孔的一个或多个间隔件安装到空腔中的第二台阶表面。 第二个支架安装在穿过一个或多个间隔物的孔的一个或多个间隔物的第一表面上。 第三支架安装到空腔中的一个或多个隔离物的第二表面，跨越一个或多个隔离物的孔。 物理包装的其他部件安装在第一，第二和第三支架上。

公开(公告)号：US20140022534A1

公开(公告)日：2014-01-23

申请号：US13758370

申请日：2013-02-04

Applicant: HONEYWELL INTERNATIONAL INC.

Inventor： Jennifer S. Strabley ,  Kenneth Salit ,  Mary K. Salit ,  Karl D. Nelson ,  Robert Compton

IPC: G01P21/00

CPC classification number: G01P21/00 ,  G01C19/58 ,  G01C21/16 ,  G01P15/08 ,  G01P15/093

Abstract: An apparatus for inertial sensing is provided. The apparatus comprises at least one atomic inertial sensor, and one or more micro-electrical-mechanical systems (MEMS) inertial sensors operatively coupled to the atomic inertial sensor. The atomic inertial sensor and the MEMS inertial sensors operatively communicate with each other in a closed feedback loop.

Abstract translation: 提供了一种用于惯性感测的装置。 该装置包括至少一个原子惯性传感器和可操作地耦合到原子惯性传感器的一个或多个微机电系统（MEMS）惯性传感器。 原子惯性传感器和MEMS惯性传感器在闭合反馈回路中可操作地相互连通。