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1. 发明申请

US20160187142A1 MAGNETIC ANOMALY TRACKING FOR AN INERTIAL NAVIGATION SYSTEM 有权
标题翻译：用于惯性导航系统的磁异常跟踪
公开(公告)号：US20160187142A1
公开(公告)日：2016-06-30
申请号：US14586207
申请日：2014-12-30
申请人： MICHAEL S. LARSEN , MICHAEL D. BULATOWICZ , A. DOUGLAS MEYER , DENNIS P. BEVAN
发明人： MICHAEL S. LARSEN , MICHAEL D. BULATOWICZ , A. DOUGLAS MEYER , DENNIS P. BEVAN
IPC分类号： G01C21/18 , G01P15/14 , G01C21/20 , G01P15/105
CPC分类号： G01C21/18 , G01C21/08 , G01C21/165 , G01C21/20 , G01P15/105 , G01P15/14
摘要： One example includes an inertial navigation system (INS). The INS includes a navigation controller configured to generate inertial data associated with motion of a vehicle based on at least one navigation sensor configured on the vehicle and based on magnetic anomaly data. The INS also includes a magnetic anomaly INS-aiding system comprising a plurality of magnetometers distributed in a respective plurality of locations on the vehicle. The magnetic anomaly INS-aiding system can be configured to generate the magnetic anomaly data based on magnetic field measurements of a fixed magnetic anomaly at each of the plurality of magnetometers.
摘要翻译：一个例子包括惯性导航系统（INS）。 INS包括导航控制器，其被配置为基于配置在车辆上的至少一个导航传感器并且基于磁异常数据来产生与车辆的运动相关联的惯性数据。 INS还包括磁异常INS辅助系统，其包括分布在车辆上的相应多个位置中的多个磁力计。磁异常INS辅助系统可以被配置为基于多个磁力计中的每个磁力计上的固定磁异常的磁场测量来产生磁异常数据。

2. 发明申请

US20130327146A1 OPTICAL ACCELEROMETER SYSTEM 有权
标题翻译：光学加速度计系统
公开(公告)号：US20130327146A1
公开(公告)日：2013-12-12
申请号：US13907333
申请日：2013-05-31
申请人： A. DOUGLAS MEYER , MICHAEL D. BULATOWICZ , MICHAEL S. LARSEN , ROBERT C. GRIFFITH
发明人： A. DOUGLAS MEYER , MICHAEL D. BULATOWICZ , MICHAEL S. LARSEN , ROBERT C. GRIFFITH
IPC分类号： G01P15/093
CPC分类号： G01P15/093 , G01P15/08 , G01P15/18
摘要： One embodiment includes an accelerometer system. The system includes a laser configured to emit an optical beam at a linear polarization. The system also includes an optical cavity system. The optical cavity system includes a minor that is coupled to an accelerometer housing via a spring and is configured to reflect the optical beam. The optical cavity system also includes at least one photodetector configured to receive at least a portion of at least one of the optical beam and the reflected optical beam and to generate an acceleration signal that is indicative of motion of the mirror resulting from an external acceleration acting upon the accelerometer housing. The system further includes an acceleration processor configured to calculate a magnitude of the external acceleration based on the acceleration signal.
摘要翻译：一个实施例包括加速度计系统。该系统包括被配置为以线偏振发射光束的激光器。该系统还包括光腔系统。光腔系统包括通过弹簧联接到加速度计壳体的小型并且被构造成反射光束。光腔系统还包括至少一个光电检测器，其被配置为接收光束和反射光束中的至少一个的至少一部分，并且产生指示由外部加速度作用产生的反射镜的运动的加速度信号在加速度计外壳上。该系统还包括加速度处理器，该加速度处理器被配置为基于加速度信号来计算外部加速度的大小。

3. 发明公开

US20230184553A1 ATOMIC SENSOR SYSTEM 审中-公开
公开(公告)号：US20230184553A1
公开(公告)日：2023-06-15
申请号：US18074668
申请日：2022-12-05
申请人： GORDON BARBOUR MORRISON , MICHAEL D. BULATOWICZ , MICHAEL S. LARSEN , Bob Buckley
发明人： GORDON BARBOUR MORRISON , MICHAEL D. BULATOWICZ , MICHAEL S. LARSEN , Bob Buckley
IPC分类号： G01C19/62
CPC分类号： G01C19/62
摘要： One example includes an atomic sensor system. The system includes an optical source configured to provide an optical beam and a plurality of sensor cell systems. Each of the sensor cell systems includes sensing media enclosed in a volume therein. The system also includes optics configured to provide the optical beam to each of the sensor cell systems to provide interaction of the optical beam with the vapor in each of the respective sensor cell systems. The optical beam exiting each of the sensor cell systems is a respective detection beam. The system further includes a detection system comprising at least one configured to receive the detection beam from each of the sensor cell systems and to determine a measurable parameter based on an optical characteristic associated with the detection beam from each of the sensor cell systems.

4. 发明申请

US20180372813A1 PULSED-BEAM ATOMIC MAGNETOMETER SYSTEM 审中-公开
公开(公告)号：US20180372813A1
公开(公告)日：2018-12-27
申请号：US16053535
申请日：2018-08-02
申请人： MICHAEL D. BULATOWICZ , THAD G. WALKER , MICHAEL S. LARSEN
发明人： MICHAEL D. BULATOWICZ , THAD G. WALKER , MICHAEL S. LARSEN
IPC分类号： G01R33/26 , G01R33/032 , G01R33/00
CPC分类号： G01R33/26 , G01R33/0041 , G01R33/0322
摘要： One example includes a magnetometer system that includes a sensor cell comprising alkali metal vapor and at least one measurement zone corresponding to a three-dimensional spatial region within the sensor cell. The system also includes a laser system configured to provide an optical pump beam through the sensor cell in a pulsed manner to facilitate precession of the alkali metal vapor in response to an external magnetic field and to provide an optical probe beam through the sensor cell in a pulsed manner based on a precession frequency of the alkali metal vapor. The system also includes a detection system configured to detect the precession of the alkali metal vapor in response to a detection beam corresponding to the optical probe beam exiting the sensor cell and to calculate an amplitude and direction of the external magnetic field based on the detected precession of the alkali metal vapor.

5. 发明申请

US20150241217A1 NUCLEAR MAGNETIC RESONANCE GYROSCOPE SYSTEM 有权
标题翻译：核磁共振GYROSCOPE系统
公开(公告)号：US20150241217A1
公开(公告)日：2015-08-27
申请号：US14188405
申请日：2014-02-24
申请人： MICHAEL D. BULATOWICZ , MICHAEL S. LARSEN
发明人： MICHAEL D. BULATOWICZ , MICHAEL S. LARSEN
IPC分类号： G01C19/60
CPC分类号： G01C19/60 , G01C19/62
摘要： One embodiment includes a nuclear magnetic resonance (NMR) gyroscope system. The system includes a vapor cell that encloses an alkali metal and a gyromagnetic isotope. The system also includes a magnetic field source that generates a magnetic field aligned with a sensitive axis of the NMR gyroscope system and which is provided through the vapor cell to cause the alkali metal and the gyromagnetic isotope to precess. The system also includes a laser that generates an optical beam that polarizes the alkali metal in the vapor cell to facilitate the precession of the alkali metal and the gyromagnetic isotope. The system further includes an angular rotation sensor configured to calculate a rotation angle about the sensitive axis based on a measured characteristic of a detection beam corresponding to the optical beam exiting the vapor cell, the characteristic being associated with the precession of the gyromagnetic isotope.
摘要翻译：一个实施例包括核磁共振（NMR）陀螺仪系统。该系统包括包围碱金属和回旋磁同位素的蒸汽池。该系统还包括产生与NMR陀螺仪系统的灵敏轴对准的磁场的磁场源，并且通过蒸气池提供磁场，以使碱金属和回旋磁同位素进入。该系统还包括产生使蒸气室中的碱金属极化的光束的激光器，以促进碱金属和旋磁同位素的进动。该系统还包括角度旋转传感器，该角度旋转传感器被配置为基于与离开蒸气室的光束相对应的检测光束的测量特性来计算关于感测轴的旋转角度，该特性与陀螺磁同位素的进动相关联。

6. 发明申请

US20190101611A1 CALIBRATION OF A MAGNETOMETER SYSTEM 审中-公开
公开(公告)号：US20190101611A1
公开(公告)日：2019-04-04
申请号：US15722678
申请日：2017-10-02
申请人： MICHAEL D. BULATOWICZ , MICHAEL S. LARSEN
发明人： MICHAEL D. BULATOWICZ , MICHAEL S. LARSEN
IPC分类号： G01R35/00 , G01R33/26
摘要： One embodiment of the invention includes a magnetometer system. The system includes a sensor cell comprising alkali metal particles and at least one nuclear spin isotope. The system also includes a probe laser to provide a probe beam through the sensor cell to generate a detection beam, and a magnetic field system to generate magnetic fields through the sensor cell. The system also includes a detection system to implement detection of an external magnetic field based on characteristics of the detection beam in response to precession of the at least one nuclear spin isotope based on the magnetic fields. The system further includes a calibration controller configured to calibrate the magnetometer system based on implementing predetermined changes to the magnetic fields and monitoring the detection beam in a feedback manner.

7. 发明申请

US20170205476A1 COMBINED ELECTRON PARAMAGNETIC RESONANCE (EPR) AND NUCLEAR MAGNETIC RESONANCE (NMR) MAGNETOMETER SYSTEM 审中-公开
公开(公告)号：US20170205476A1
公开(公告)日：2017-07-20
申请号：US15474433
申请日：2017-03-30
申请人： MICHAEL S. LARSEN , ROBERT C. GRIFFITH , MICHAEL D. BULATOWICZ , PHILIP R. CLARK
发明人： MICHAEL S. LARSEN , ROBERT C. GRIFFITH , MICHAEL D. BULATOWICZ , PHILIP R. CLARK
IPC分类号： G01R33/26 , G01R33/60 , G01R33/44 , G01R33/032
CPC分类号： G01R33/26 , G01R33/032 , G01R33/24 , G01R33/443 , G01R33/60
摘要： One embodiment of the invention includes a magnetometer system. The system includes a sensor cell comprising alkali metal particles and a probe laser configured to provide a probe beam through the sensor cell. The system also includes a detection system configured to implement nuclear magnetic resonance (NMR) detection of a vector magnitude of an external magnetic field in a first of three orthogonal axes based on characteristics of the probe beam passing through the sensor cell and to implement electron paramagnetic resonance (EPR) detection of a vector magnitude of the external magnetic field in a second and a third of the three orthogonal axes based on the characteristics of the probe beam passing through the sensor cell. The system further includes a controller configured to calculate a scalar magnitude of the external magnetic field based on the magnitude of the external magnetic field in each of the three orthogonal axes.

8. 发明申请

US20140159718A1 COMBINED ELECTRON PARAMAGNETIC RESONANCE (EPR) AND NUCLEAR MAGNETIC RESONANCE (NMR) MAGNETOMETER SYSTEM 有权
标题翻译：组合电子参比共振（EPR）和核磁共振（NMR）磁控计系统
公开(公告)号：US20140159718A1
公开(公告)日：2014-06-12
申请号：US13711199
申请日：2012-12-11
申请人： MICHAEL S. LARSEN , ROBERT C. GRIFFITH , MICHAEL D. BULATOWICZ , PHILIP R. CLARK
发明人： MICHAEL S. LARSEN , ROBERT C. GRIFFITH , MICHAEL D. BULATOWICZ , PHILIP R. CLARK
IPC分类号： G01R33/24
CPC分类号： G01R33/26 , G01R33/032 , G01R33/24 , G01R33/443 , G01R33/60
摘要： One embodiment of the invention includes a magnetometer system. The system includes a sensor cell comprising alkali metal particles and a probe laser configured to provide a probe beam through the sensor cell. The system also includes a detection system configured to implement nuclear magnetic resonance (NMR) detection of a vector magnitude of an external magnetic field in a first of three orthogonal axes based on characteristics of the probe beam passing through the sensor cell and to implement electron paramagnetic resonance (EPR) detection of a vector magnitude of the external magnetic field in a second and a third of the three orthogonal axes based on the characteristics of the probe beam passing through the sensor cell. The system further includes a controller configured to calculate a scalar magnitude of the external magnetic field based on the magnitude of the external magnetic field in each of the three orthogonal axes.
摘要翻译：本发明的一个实施例包括磁力计系统。该系统包括包含碱金属颗粒的传感器单元和被配置为提供探针束通过传感器单元的探针激光器。该系统还包括检测系统，其被配置为基于通过传感器单元的探测光束的特性来实现三个正交轴中的第一个中的外部磁场的矢量幅值的核磁共振（NMR）检测，并实现电子顺磁性基于通过传感器单元的探测光束的特性，在三个正交轴的第二和第三个中的外部磁场的矢量幅度的共振（EPR）检测。该系统还包括控制器，其被配置为基于三个正交轴中的每一个中的外部磁场的大小来计算外部磁场的标量。

9. 发明申请

US20150346293A1 OPTICAL PROBE BEAM STABILIZATION IN AN ATOMIC SENSOR SYSTEM 有权
标题翻译：原子传感器系统中的光学探头光束稳定
公开(公告)号：US20150346293A1
公开(公告)日：2015-12-03
申请号：US14291595
申请日：2014-05-30
申请人： MICHAEL D. BULATOWICZ , MICHAEL S. LARSEN
发明人： MICHAEL D. BULATOWICZ , MICHAEL S. LARSEN
IPC分类号： G01R33/26 , G01C19/62
CPC分类号： G01R33/26 , G01C19/62
摘要： One example embodiment includes an atomic sensor system. A probe laser generates a probe beam. A first portion of the probe beam is provided through a sensor cell comprising a first alkali vapor to calculate a measurable parameter of the system based on a first detection beam corresponding to the first portion of the probe beam exiting the sensor cell. A second portion of the probe beam can be provided through a stabilization cell that comprises a second vapor. A detection system can be configured to stabilize the frequency of the probe beam in a manner that is on-resonance with respect to an optical transition wavelength of the second alkali vapor and off-resonance with respect to an optical transition wavelength of the first alkali vapor based on a second detection beam corresponding to the second portion of the probe beam exiting the stabilization cell.
摘要翻译：一个示例性实施例包括原子传感器系统。探头激光产生探针光束。探测光束的第一部分通过包括第一碱性蒸汽的传感器单元提供，以基于对应于离开传感器单元的探测光束的第一部分的第一检测光束来计算系统的可测量参数。探针束的第二部分可以通过包括第二蒸气的稳定池提供。检测系统可以被配置为以相对于第二碱性蒸汽的光学跃迁波长为共振的方式稳定探测光束的频率，并且相对于第一碱性蒸气的光学跃迁波长为非共振基于对应于离开稳定单元的探测光束的第二部分的第二检测光束。

10. 发明申请

US20150330786A1 ATOMIC SENSOR SYSTEM 有权
标题翻译：原子传感器系统
公开(公告)号：US20150330786A1
公开(公告)日：2015-11-19
申请号：US14278940
申请日：2014-05-15
申请人： MICHAEL D. BULATOWICZ , MICHAEL S. LARSEN
发明人： MICHAEL D. BULATOWICZ , MICHAEL S. LARSEN
IPC分类号： G01C19/62 , G01R33/26
CPC分类号： G01C19/62 , G01R33/26
摘要： One embodiment includes an atomic sensor system. The system includes a vapor cell that is sealed to enclose an alkali metal that is spin-polarized by an optical beam. The vapor cell includes a mirror at a distal end. The system also includes an optical system including a photodetector system and a laser that generates the optical beam. The optical beam is provided into a proximal end of the vapor cell and is reflected back to the photodetector system via the mirror as a reflected optical beam to generate at least one intensity signal. The optical system further includes a control system that modulates a wavelength of the optical beam between an on-resonance wavelength and an off-resonance wavelength with respect to the alkali metal. The system also includes a processor that calculates a measurable parameter associated with the atomic sensor system based on the at least one intensity signal.
摘要翻译：一个实施例包括原子传感器系统。该系统包括一个蒸气池，其被密封以包围由光束自旋极化的碱金属。蒸汽池包括在远端的反射镜。该系统还包括包括光电检测器系统和产生光束的激光器的光学系统。光束被提供到蒸汽单元的近端，并且经由反射镜作为反射光束被反射回到光电检测器系统以产生至少一个强度信号。光学系统还包括控制系统，该控制系统调制相对于碱金属的共振波长和离共振波长之间的光束的波长。该系统还包括处理器，该处理器基于至少一个强度信号来计算与原子传感器系统相关联的可测量参数。

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