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1. 发明申请

US20120182011A1 PHASE DETECTION IN AN ATOMIC SENSING SYSTEM 有权
标题翻译：原子感测系统中的相位检测
公开(公告)号：US20120182011A1
公开(公告)日：2012-07-19
申请号：US13332536
申请日：2011-12-21
申请人： MICHAEL S. LARSEN , Robert Griffith , Michael D. Bulatowicz , Philip R. Clark
发明人： MICHAEL S. LARSEN , Robert Griffith , Michael D. Bulatowicz , Philip R. Clark
IPC分类号： G01R33/12
CPC分类号： G01R33/0041 , G01C19/62 , G01R33/1284 , G01R33/26
摘要： One embodiment of the invention includes an atomic sensing system. The system includes an atomic sensing device configured to generate an output signal along an output axis in response to a plurality of control parameters. The system also includes a signal generator configured to apply a reference signal to a cross-axis that is approximately orthogonal to the output axis. The system also includes a phase measurement system configured to demodulate the output signal relative to the reference signal to measure a relative phase alignment between the output axis and a physical axis of the atomic sensing device based on the reference signal.
摘要翻译：本发明的一个实施例包括原子感测系统。该系统包括原子感测装置，其被配置为响应于多个控制参数沿着输出轴产生输出信号。该系统还包括信号发生器，该信号发生器被配置为将参考信号施加到大致正交于输出轴的交叉轴。该系统还包括相位测量系统，其被配置为相对于参考信号解调输出信号，以基于参考信号来测量原子感测装置的输出轴和物理轴之间的相对相位对准。

2. 发明授权

US08994371B2 Phase detection in an atomic sensing system 有权
标题翻译：原子感测系统中的相位检测
公开(公告)号：US08994371B2
公开(公告)日：2015-03-31
申请号：US13332536
申请日：2011-12-21
申请人： Michael S. Larsen , Robert Griffith , Michael D. Bulatowicz , Philip R. Clark
发明人： Michael S. Larsen , Robert Griffith , Michael D. Bulatowicz , Philip R. Clark
IPC分类号： G01V3/00 , G01R33/00 , G01R33/12
CPC分类号： G01R33/0041 , G01C19/62 , G01R33/1284 , G01R33/26
摘要： One embodiment of the invention includes an atomic sensing system. The system includes an atomic sensing device configured to generate an output signal along an output axis in response to a plurality of control parameters. The system also includes a signal generator configured to apply a reference signal to a cross-axis that is approximately orthogonal to the output axis. The system also includes a phase measurement system configured to demodulate the output signal relative to the reference signal to measure a relative phase alignment between the output axis and a physical axis of the atomic sensing device based on the reference signal.
摘要翻译：本发明的一个实施例包括原子感测系统。该系统包括原子感测装置，其被配置为响应于多个控制参数沿着输出轴产生输出信号。该系统还包括信号发生器，该信号发生器被配置为将参考信号施加到大致正交于输出轴的交叉轴。该系统还包括相位测量系统，其被配置为相对于参考信号解调输出信号，以基于参考信号来测量原子感测装置的输出轴和物理轴之间的相对相位对准。

3. 发明授权

US10060993B2 Combined electron paramagnetic resonance (EPR) and nuclear magnetic resonance (NMR) magnetometer system 有权
公开(公告)号：US10060993B2
公开(公告)日：2018-08-28
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： G01V3/00 , G01R33/26 , G01R33/032 , G01R33/60 , G01R33/44
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.

4. 发明授权

US09645205B2 Combined electron paramagnetic resonance (EPR) and nuclear magnetic resonance (NMR) magnetometer system 有权
公开(公告)号：US09645205B2
公开(公告)日：2017-05-09
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： G01V3/00 , G01R33/24 , G01R33/26
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.

5. 发明授权

US09229073B2 Systems and method to substantially mitigate AC stark shift effects in a sensor system 有权
标题翻译：基本上减轻传感器系统中的交流变换效应的系统和方法
公开(公告)号：US09229073B2
公开(公告)日：2016-01-05
申请号：US13727926
申请日：2012-12-27
申请人： Thad G. Walker , Michael D. Bulatowicz , Michael S. Larsen , Robert C. Griffith , Philip R. Clark
发明人： Thad G. Walker , Michael D. Bulatowicz , Michael S. Larsen , Robert C. Griffith , Philip R. Clark
IPC分类号： G01R33/26 , G01C19/62
CPC分类号： G01R33/26 , G01C19/62
摘要： One embodiment includes a sensor system. The system includes a cell system comprising a pump laser configured to generate a pump beam to polarize alkali metal particles enclosed within a sensor cell. The system also includes a detection system comprising a probe laser configured to generate a probe beam. The detection system can also be configured to calculate at least one measurable parameter based on characteristics of the probe beam passing through the sensor cell resulting from precession of the polarized alkali metal particles in response to an applied magnetic field. The system further includes an AC Stark shift control system configured to frequency-modulate the pump beam and to control a center frequency of a frequency-modulated pump beam based on the characteristics of the probe beam passing through the sensor cell to substantially stabilize and mitigate the effects of AC Stark shift on the at least one measurable parameter.
摘要翻译：一个实施例包括传感器系统。该系统包括一个电池系统，该电池系统包括被配置成产生泵浦光束以使包围在传感器电池内的碱金属颗粒极化的泵浦激光器。该系统还包括检测系统，其包括被配置为产生探测光束的探测激光器。检测系统还可以被配置为基于由施加的磁场响应于偏振的碱金属颗粒的进动而导致通过传感器单元的探针束的特性来计算至少一个可测量的参数。该系统还包括AC Stark变速控制系统，其配置成对泵浦波束进行频率调制，并且基于通过传感器单元的探测光束的特性来控制调频泵浦光束的中心频率，以基本上稳定和减轻 AC Stark移位对至少一个可测量参数的影响。

6. 发明授权

US10330696B2 Accelerometer sensor system 有权
公开(公告)号：US10330696B2
公开(公告)日：2019-06-25
申请号：US15079207
申请日：2016-03-24
申请人： Michael D. Bulatowicz , Robert C. Griffith , Henry C. Abbink , Daryl K. Sakaida , Philip R. Clark
发明人： Michael D. Bulatowicz , Robert C. Griffith , Henry C. Abbink , Daryl K. Sakaida , Philip R. Clark
IPC分类号： G01P15/08 , G01P15/13 , G01P15/125
摘要： Embodiments of the invention include an accelerometer system. The system includes an accelerometer sensor comprising first and second electrode configurations and an inertial mass between the first and second electrode configurations. In one example, the accelerometer sensor being fabricated as symmetrically arranged about each of three orthogonal mid-planes. The system also includes an accelerometer controller configured to apply control signals to each of the first and second electrode configurations to provide respective forces to maintain the inertial mass at a null position between the first and second electrode configurations. The accelerometer controller can measure a first pickoff signal and a second pickoff signal associated with the respective first and second electrode configurations. The first and second pickoff signals can be indicative of a displacement of the inertial mass relative to the null position. The accelerometer controller can calculate an acceleration based on the first and second pickoff signals.

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