Patents by Inventor Gregory Scott Bruce

Gregory Scott Bruce has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 10408890
    Abstract: A method for magnetic detection includes (a) providing optical excitation to a magneto-optical defect center material using an optical light source, (b) providing pulsed radio frequency (RF) excitation to the magneto-optical defect center material using a pulsed RF excitation source, and (c) receiving an optical signal emitted by the magneto-optical defect center material using an optical detector, such that the magneto-optical defect center material includes a plurality of magneto-optical defect centers and that (a) and (c) occur during (b).
    Type: Grant
    Filed: March 24, 2017
    Date of Patent: September 10, 2019
    Assignee: LOCKHEED MARTIN CORPORATION
    Inventors: Gregory Scott Bruce, Peter G. Kaup, Arul Manickam
  • Patent number: 10379174
    Abstract: A magnetometer includes a light source that provides excitation light and a magneto-optical defect center material with at least one defect center that transmits emitted light when excited by the excitation light. The magnetometer also includes a light sensor that receives the emitted light and a plurality of magnets that provide a bias magnetic field to the magneto-optical defect center material. The magnetometer further includes a ring magnet holder that has an outer ring with an outside surface and a plurality of holders extending from the ring. The plurality of holders hold the plurality of magnets in a same orientation with respect to one another. The magnetometer further includes a mount that has an inside surface. The outside surface of the outer ring slides along the inside surface of the mount.
    Type: Grant
    Filed: March 24, 2017
    Date of Patent: August 13, 2019
    Assignee: LOCKHEED MARTIN CORPORATION
    Inventors: Joseph W. Hahn, Andrew Raymond Mandeville, Gregory Scott Bruce, Arul Manickam, Peter G. Kaup
  • Patent number: 10371760
    Abstract: A system for magnetic detection includes a magneto-optical defect center material comprising a plurality of magneto-optical defect centers, an optical light source, an optical detector, and a radio frequency (RF) excitation source. The optical light source is configured to provide optical excitation to the magneto-optical defect center material. The optical detector is configured to receive an optical signal emitted by the magneto-optical defect center material. The RF excitation source is configured to provide RF excitation to the magneto-optical defect center material. The RF excitation source includes an RF feed connector, and a metallic material coated on the magneto-optical defect center material and electrically connected to the RF feed connecter.
    Type: Grant
    Filed: March 24, 2017
    Date of Patent: August 6, 2019
    Assignee: LOCKHEED MARTIN CORPORATION
    Inventors: Andrew Raymond Mandeville, Gregory Scott Bruce, Joseph W. Hahn
  • Patent number: 10345396
    Abstract: A system for magnetic detection, includes a magneto-optical defect center material comprising a plurality of magneto-optical defect centers, a radio frequency (RF) excitation source, an optical detector and an optical light source. The RF excitation source is configured to provide RF excitation to the material. The optical detector is configured to receive an optical signal emitted by the material. The optical light source is configured to provide optical light to the material, and includes a readout optical light source and a reset optical light source. The readout optical light source is configured to illuminate light in a first illumination volume of the material. The reset optical light source is configured to illuminate light in a second illumination volume of the material, the second illumination volume being larger than and encompassing the first illumination volume. The reset optical light source provides a higher power light than the readout optical light source.
    Type: Grant
    Filed: December 15, 2016
    Date of Patent: July 9, 2019
    Assignee: LOCKHEED MARTIN CORPORATION
    Inventors: Arul Manickam, Peter G. Kaup, Gregory Scott Bruce, Wilbur Lew
  • Patent number: 10338164
    Abstract: A system for magnetic detection includes a magneto-optical defect center material comprising a plurality of magneto-optical defect centers, an optical light source , an optical detector, and a radio frequency (RF) excitation source. The optical light source is configured to provide optical excitation to the magneto-optical defect center material. The optical detector is configured to receive an optical signal emitted by the magneto-optical defect center material. The RF excitation source is configured to provide RF excitation to the magneto-optical defect center material. The RF excitation source includes an RF feed connector, and a metallic material coated on the magneto-optical defect center material and electrically connected to the RF feed connecter.
    Type: Grant
    Filed: March 24, 2017
    Date of Patent: July 2, 2019
    Assignee: LOCKHEED MARTIN CORPORATION
    Inventors: Joseph W. Hahn, Andrew Raymond Mandeville, Gregory Scott Bruce
  • Patent number: 10338163
    Abstract: A system for magnetic detection includes a nitrogen vacancy (NV) diamond material, a radio frequency (RF) excitation source that provides RF excitation to the NV diamond material, an optical excitation source that provides optical excitation to the NV diamond material, an optical detector that receives an optical signal emitted by the NV diamond material, a magnetic field generator that generates a magnetic field applied to the NV diamond material, and a controller. The controller controls the RF excitation source to apply a first RF excitation having a first frequency and a second RF excitation having a second frequency. The first frequency is associated with a first slope point of a fluorescence intensity response of an NV center orientation of a first spin state, and the second frequency is associated with a second slope point of the fluorescence intensity response of the NV center orientation of the first spin state.
    Type: Grant
    Filed: July 11, 2016
    Date of Patent: July 2, 2019
    Assignee: LOCKHEED MARTIN CORPORATION
    Inventors: Peter G. Kaup, Arul Manickam, Gregory Scott Bruce
  • Patent number: 10317279
    Abstract: A system provides light received from NV diamond material to an optical collector. The provision of light received from NV diamond material to an optical collector impacts the efficiency by which light is directed to the optical collector. The system may be employed to efficiently direct light from the NV diamond material to the optical collector.
    Type: Grant
    Filed: March 9, 2017
    Date of Patent: June 11, 2019
    Assignee: LOCKHEED MARTIN CORPORATION
    Inventors: Gregory Scott Bruce, Joseph W. Hahn, Nicholas Mauriello Luzod
  • Patent number: 10274550
    Abstract: Magnetometers with high bandwidth acquisition of data with increased sensitivity are described herein. Increased bandwidth and sensitivity may be achieved by eliminating a reference signal for full repolarization of the magneto-optical defect center material prior to acquisition. Elimination of the reference signal eliminates the time needed to repolarize the magneto-optical defect center material and the acquisition time for the reference signal. A radiofrequency (RF) pulse sequence may be activate to apply an RF field to the magneto-optical defect center material and a magnetic field measurement may be acquired using the magneto-optical defect center material. The magnetic field measurement may be acquired independent of a reference magnetic field measurement.
    Type: Grant
    Filed: March 24, 2017
    Date of Patent: April 30, 2019
    Assignee: LOCKHEED MARTIN CORPORATION
    Inventors: Gregory Scott Bruce, Peter G. Kaup, Arul Manickam
  • Patent number: 10228429
    Abstract: The present disclosure relates to apparatuses and methods for stimulating a magneto-optical defect material with defect centers in a magnetic detection system using a stimulation process to significantly increase magnetic sensitivity of the detection system. The system utilizes a modified Ramsey pulse sequence pair or a shifted magnetometry adapted cancellation (SMAC) pair to detect and measure the magnetic field acting on the system resulting in mitigation of low-frequency noise sources to provide improved sensor sensitivity. For a SMAC pair measurement, two different values of tau are used as well as two different values of the microwave pulse width.
    Type: Grant
    Filed: March 24, 2017
    Date of Patent: March 12, 2019
    Assignee: LOCKHEED MARTIN CORPORATION
    Inventors: Gregory Scott Bruce, Arul Manickam, Peter G. Kaup
  • Publication number: 20190018088
    Abstract: Systems for a magneto-optical defect center material magnetic sensor system that uses fluorescence intensity to distinguish the ms=±1 states, and to measure the magnetic field based on the energy difference between the ms=+1 state and the ms=?1 state, as manifested by the RF frequencies corresponding to each state in some embodiments. The system may include an optical excitation source, which directs optical excitation to the material. The system may further include an RF excitation source, which provides RF radiation to the material. Light from the material may be directed through a light pipe to an optical detector. Light from the material may be directed through an optical filter and a lens to be focused at a focal point corresponding to a collection portion of an optical detector.
    Type: Application
    Filed: July 10, 2018
    Publication date: January 17, 2019
    Applicant: LOCKHEED MARTIN CORPORATION
    Inventors: Yongdan HU, Joseph W. HAHN, Gregory Scott BRUCE
  • Publication number: 20190018076
    Abstract: A magnetometer for magnetic detection includes a magneto-optical defect center material having at least one magneto-optical defect center; a radio frequency (RF) exciter system including a radio frequency (RF) excitation source; an optical excitation system including an optical excitation source; an optical detector configured to receive an optical signal based on light emitted by the magneto-optical defect center material due RF excitation and optical excitation provided to the magneto-optical defect center material via the RF excitation source and the optical excitation source, respectively; a magnetic field generator configured to generate a magnetic field detected at the magneto-optical defect center material; and a system controller.
    Type: Application
    Filed: July 10, 2018
    Publication date: January 17, 2019
    Applicant: LOCKHEED MARTIN CORPORATION
    Inventors: Joseph W. HAHN, Cedric H. WU, Yongdan HU, Kenneth Michael JACKSON, Gregory Scott BRUCE, Wilbur LEW, Andrew Raymond MANDEVILLE, Duc HUYNH
  • Publication number: 20190018086
    Abstract: A system for magnetic detection of an external magnetic field is described. The system includes a controller configured to control components of the system. The controller is configured to control an optical excitation source and a RF excitation source to apply pulse sequences to a magneto-optical defect center material such that in the excitation pulses of a first pair of RF excitation pulses have a first phase difference, the excitation pulses of a second pair of RF excitation pulses have a second phase difference, and the second phase difference is different from the first phase difference. The controller computes a combined magnetometry curve as a function of the RF excitation frequency based on a difference between a measured value of a first light detection signal and a measured value of a second light detection signal. The controller sets the first phase difference and the second phase difference based on the combined magnetometry curve.
    Type: Application
    Filed: July 10, 2018
    Publication date: January 17, 2019
    Applicant: LOCKHEED MARTIN CORPORATION
    Inventors: Arul MANICKAM, Peter G. KAUP, Gregory Scott BRUCE
  • Patent number: 10145910
    Abstract: A system activates a switch between a disengaged state and an engaged state, receives, via the second optical excitation source, a light signal includes a high intensity signal provided by the second optical excitation source, and causes at least one of the photocomponent or the optical detection circuit to operate in a non-saturated state responsive to the activation of the switch.
    Type: Grant
    Filed: March 24, 2017
    Date of Patent: December 4, 2018
    Assignee: LOCKHEED MARTIN CORPORATION
    Inventors: Kenneth Michael Jackson, Gregory Scott Bruce, Wilbur Lew
  • Patent number: 10126377
    Abstract: A magneto-optical defect center magnetometer, such as a diamond nitrogen vacancy (DNV) magnetometer, can include an excitation source, a magneto-optical defect center element, a collection device, a top plate, a bottom plate, and a printed circuit board. The excitation source, the magneto-optical defect center element, and the collection device are each mounted to the printed circuit board.
    Type: Grant
    Filed: August 9, 2017
    Date of Patent: November 13, 2018
    Assignee: LOCKHEED MARTIN CORPORATION
    Inventors: Joseph W. Hahn, Arul Manickam, Peter G. Kaup, Gregory Scott Bruce, Wilbur Lew, Nicholas M. Luzod, Duc Huynh
  • Publication number: 20180275209
    Abstract: A system for magnetic detection includes a magneto-optical defect center material comprising a plurality of magneto-optical defect centers, an optical light source, an optical detector, and a radio frequency (RF) excitation source. The optical light source is configured to provide optical excitation to the magneto-optical defect center material. The optical detector is configured to receive an optical signal emitted by the magneto-optical defect center material. The RF excitation source is configured to provide RF excitation to the magneto-optical defect center material. The RF excitation source includes an RF feed connector, and a metallic material coated on the magneto-optical defect center material and electrically connected to the RF feed connecter.
    Type: Application
    Filed: March 24, 2017
    Publication date: September 27, 2018
    Applicant: Lockheed Martin Corporation
    Inventors: Andrew Raymond Mandeville, Gregory Scott Bruce, Joseph W. Hahn
  • Publication number: 20180275220
    Abstract: A system for magnetic detection includes a magneto-optical defect center material comprising a plurality of magneto-optical defect centers, an optical light source , an optical detector, and a radio frequency (RF) excitation source. The optical light source is configured to provide optical excitation to the magneto-optical defect center material. The optical detector is configured to receive an optical signal emitted by the magneto-optical defect center material. The RF excitation source is configured to provide RF excitation to the magneto-optical defect center material. The RF excitation source includes an RF feed connector, and a metallic material coated on the magneto-optical defect center material and electrically connected to the RF feed connecter.
    Type: Application
    Filed: March 24, 2017
    Publication date: September 27, 2018
    Applicant: Lockheed Martin Corporation
    Inventors: Joseph W. HAHN, Andrew Raymond Mandeville, Gregory Scott Bruce
  • Publication number: 20180275223
    Abstract: Some methods and configurations are disclosed for high bandwidth acquisition of magnetometer data with increased sensitivity. Some embodiments provide for increased bandwidth and sensitivity of the magnetometer by eliminating a reference signal for full repolarization of the magneto-optical defect center material prior to acquisition. Elimination of the reference signal eliminates the time needed to repolarize the magneto-optical defect center material and the acquisition time for the reference signal. Some implementations can include activating a radiofrequency (RF) pulse sequence to apply an RF field to the magneto-optical defect center material and acquiring a magnetic field measurement using the magneto-optical defect center material. The magnetic field measurement may be acquired independent of a reference magnetic field measurement.
    Type: Application
    Filed: March 24, 2017
    Publication date: September 27, 2018
    Applicant: Lockheed Martin Corporation
    Inventors: Gregory Scott Bruce, Peter G. Kaup, Arul Manickam
  • Publication number: 20180275208
    Abstract: A method for magnetic detection includes (a) providing optical excitation to a magneto-optical defect center material using an optical light source, (b) providing pulsed radio frequency (RF) excitation to the magneto-optical defect center material using a pulsed RF excitation source, and (c) receiving an optical signal emitted by the magneto-optical defect center material using an optical detector, such that the magneto-optical defect center material includes a plurality of magneto-optical defect centers and that (a) and (c) occur during (b).
    Type: Application
    Filed: March 24, 2017
    Publication date: September 27, 2018
    Applicant: LOCKHEED MARTIN CORPORATION
    Inventors: Gregory Scott BRUCE, Peter G. KAUP, Arul MANICKAM
  • Publication number: 20180275224
    Abstract: Methods, apparatuses, and systems for creating a proxy magnetic reference signal by frequency modulating a desired magnetic field proxy modulation onto an RF wave. A RF pulse sequence for an RF excitation source to apply a RF field to the magneto-optical defect center material can be based on a magnetic field proxy modulation and a base RF wave. The magnetic field proxy modulation can be indicative of a proxy magnetic field. A magnetic field measurement from a magneto-optical defect center material can be detected using the optical sensor and can include a proxy magnetic field based on the magnetic field proxy modulation.
    Type: Application
    Filed: March 24, 2017
    Publication date: September 27, 2018
    Applicant: Lockheed Martin Corporation
    Inventors: Arul Manickam, Gregory Scott Bruce, William Gnadt
  • Publication number: 20180275221
    Abstract: The present disclosure relates to apparatuses and methods for stimulating a magneto-optical defect material with defect centers in a magnetic detection system using a stimulation process to significantly increase magnetic sensitivity of the detection system. The system utilizes a modified Ramsey pulse sequence pair or a shifted magnetometry adapted cancellation (SMAC) pair to detect and measure the magnetic field acting on the system resulting in mitigation of low-frequency noise sources to provide improved sensor sensitivity. For a SMAC pair measurement, two different values of tau are used as well as two different values of the microwave pulse width.
    Type: Application
    Filed: March 24, 2017
    Publication date: September 27, 2018
    Applicant: Lockheed Martin Corporation
    Inventors: Gregory Scott Bruce, Arul Manickam, Peter G. Kaup