Patents by Inventor Wilbur Lew
Wilbur Lew 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).
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Patent number: 11396715Abstract: A single crystal diamond material comprising: neutral nitrogen-vacancy defects (NV0); negatively charged nitrogen-vacancy defects (NV?); and single substitutional nitrogen defects (Ns) which transfer their charge to the neutral nitrogen-vacancy defects (NV0) to convert them into the negatively charged nitrogen-vacancy defects (NV), characterized in that the single crystal diamond material has a magnetometry figure of merit (FOM) of at least 2, wherein the magnetometry figure of merit is defined by (I) where R is a ratio of concentrations of negatively charged nitrogen-vacancy defects to neutral nitrogen-vacancy defects ([NV?]/[NV0]), [NV?] is the concentration of negatively charged nitrogen-vacancy defects measured in parts-per-million (ppm) atoms of the single crystal diamond material, [NV0] is a concentration of neutral nitrogen-vacancy defects measured in parts-per-million (ppm) atoms of the single crystal diamond material, and T2? is a decoherence time of the NV? defects, where T2? is T2* for DC magnetomeType: GrantFiled: December 6, 2016Date of Patent: July 26, 2022Assignees: Element Six Technologies Limited, Element Six Technologies US CorporationInventors: Wilbur Lew, Gregory Bruce, Andrew Mark Edmonds, Matthew Lee Markham, Alastair Douglas Stacey, Harpreet Kaur Dhillon
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Patent number: 10935611Abstract: 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: GrantFiled: July 10, 2018Date of Patent: March 2, 2021Assignee: LOCKHEED MARTIN CORPORATIONInventors: Joseph W. Hahn, Cedric H. Wu, Yongdan Hu, Kenneth Michael Jackson, Gregory Scott Bruce, Wilbur Lew, Andrew Raymond Mandeville, Duc Huynh
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Publication number: 20210054526Abstract: A single crystal diamond material comprising: neutral nitrogen-vacancy defects (NV0); negatively charged nitrogen-vacancy defects (NV?); and single substitutional nitrogen defects (Ns) which transfer their charge to the neutral nitrogen-vacancy defects (NV0) to convert them into the negatively charged nitrogen-vacancy defects (NV), characterized in that the single crystal diamond material has a magnetometry figure of merit (FOM) of at least 2, wherein the magnetometry figure of merit is defined by (I) where R is a ratio of concentrations of negatively charged nitrogen-vacancy defects to neutral nitrogen-vacancy defects ([NV?]/[NV0]), [NV?] is the concentration of negatively charged nitrogen-vacancy defects measured in parts-per-million (ppm) atoms of the single crystal diamond material, [NV0] is a concentration of neutral nitrogen-vacancy defects measured in parts-per-million (ppm) atoms of the single crystal diamond material, and T2? is a decoherence time of the NV? defects, where T2? is T2* for DC magnetomeType: ApplicationFiled: December 6, 2016Publication date: February 25, 2021Inventors: Wilbur LEW, Gregory BRUCE, Andrew Mark EDMONDS, Matthew Lee MARKHAM, Alastair Douglas STACEY, Harpreet Kaur DHILLON
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Patent number: 10725124Abstract: A system for magnetic detection includes a nitrogen vacancy (NV) diamond material comprising a plurality of NV centers, a radio frequency (RF) excitation source configured to provide RF excitation to the NV diamond material, an optical excitation source configured to provide optical excitation to the NV diamond material, an optical detector configured to receive an optical signal emitted by the NV diamond material, and a controller. The optical signal is based on hyperfine states of the NV diamond material. The controller is configured to detect a gradient of the optical signal based on the hyperfine states emitted by the NV diamond material.Type: GrantFiled: March 5, 2018Date of Patent: July 28, 2020Assignee: LOCKHEED MARTIN CORPORATIONInventors: Brian P. Boesch, Gregory Scott Bruce, Jeff D. Cammerata, David Nelson Coar, Laird Nicholas Egan, Bryan Neal Fisk, Wilbur Lew, Arul Manickam, Stephen Michael Sekelsky, John B. Stetson, Jr., Peter G. Kaup, Julie Lynne Miller, Jon C. Russo, Emanuel Solomon Stockman, Thomas J. Meyer, James Michael Krause, James P. Mabry, Elton Pepa
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Patent number: 10677953Abstract: A system for magnetic detection includes a magneto-optical defect center material including at least one magneto-optical defect center that emits an optical signal when excited by an excitation light; a radio frequency (RF) exciter system configured to provide RF excitation to the magneto-optical defect center material; an optical light source configured to direct the excitation light to the magneto-optical defect center material; and an optical detector configured to receive the optical signal emitted by the magneto-optical defect center material.Type: GrantFiled: May 31, 2017Date of Patent: June 9, 2020Assignee: LOCKHEED MARTIN CORPORATIONInventors: John B. Stetson, Arul Manickam, Peter G. Kaup, Gregory Scott Bruce, Wilbur Lew, Joseph W. Hahn, Nicholas Mauriello Luzod, Kenneth Michael Jackson, Jacob Louis Swett, Peter V. Bedworth, Steven W. Sinton, Duc Huynh, Michael John Dimario, Jay T. Hansen, Andrew Raymond Mandeville, Bryan Neal Fisk, Joseph A. Villani, Jon C. Russo, David Nelson Coar, Julie Lynne Miller, Anjaney Pramod Kottapalli, Gary Edward Montgomery, Margaret Miller Shaw, Stephen Sekelsky, James Michael Krause, Thomas J. Meyer
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Diamond nitrogen vacancy sensor with nitrogen-vacancy center diamond located between dual RF sources
Patent number: 10520558Abstract: A magnetic field sensor assembly includes a first radio frequency (RF) element; a second RF element; an RF feed cable operably connected to the first RF element and the second RF element that provides an RF signal to the first RF element and the second RF element; and a magneto-optical defect center material located between the first RF element and the second RF element. The first RF element and the second RF element generate a microwave signal that is uniform over the magneto-optical defect center material. The magneto-optical defect center material may be a nitrogen-vacancy center diamond.Type: GrantFiled: January 21, 2016Date of Patent: December 31, 2019Assignee: LOCKHEED MARTIN CORPORATIONInventors: Joseph W. Hahn, Duc Huynh, Wilbur Lew -
Patent number: 10459041Abstract: A system for magnetic detection includes a housing including a top plate, bottom plate, side plate, and main plate provided between the side plate and the bottom plate; a magneto-optical defect center material including at least one magneto-optical defect center that emits an optical signal when excited by an excitation light; a radio frequency (RF) exciter system configured to provide RF excitation to the magneto-optical defect center material; an optical light source configured to direct the excitation light to the magneto-optical defect center material; and an optical detector configured to receive the optical signal emitted by the magneto-optical defect center material. The elements of the system are mounted to the main plate and capable of being unattached and remounted to the main plate to change at least one of a location or an angle of incidence of the excitation light on the magneto-optical defect center material.Type: GrantFiled: March 24, 2017Date of Patent: October 29, 2019Assignee: LOCKHEED MARTIN CORPORATIONInventors: Joseph W. Hahn, Kenneth Michael Jackson, Nicholas M. Luzod, Gregory Scott Bruce, Wilbur Lew, John B. Stetson, Jr., Duc Huynh, Andrew Raymond Mandeville, Arul Manickam, Peter G. Kaup
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Publication number: 20190219645Abstract: A magnetometer for magnetic detection includes a magneto-optical defect center material comprising at least one magneto-optical defect center that emits an optical signal when excited by an excitation light, a radio frequency (RF) exciter system configured to provide RF excitation to the magneto-optical defect center material; an optical excitation system configured to direct the excitation light to the magneto-optical defect center material; an optical detector configured to receive the optical signal emitted by the magneto-optical defect center material based on the excitation light and the RF excitation; a magnetic field generator configured to generate a magnetic field detected at the magneto-optical defect center material; and a housing configured to enclose the magneto-optical defect center material, the RF exciter system, the optical excitation system, the optical detector, and the magnetic field generator. The housing is hermetically sealed.Type: ApplicationFiled: January 14, 2019Publication date: July 18, 2019Inventors: Joseph W. HAHN, Wilbur LEW, Andrew Raymond MANDEVILLE, Yongdan HU
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Patent number: 10345396Abstract: 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: GrantFiled: December 15, 2016Date of Patent: July 9, 2019Assignee: LOCKHEED MARTIN CORPORATIONInventors: Arul Manickam, Peter G. Kaup, Gregory Scott Bruce, Wilbur Lew
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Patent number: 10333588Abstract: A system includes a transmitting device and a receiving device. The transmitting device includes a first processor configured to transmit data to a transmitter and the transmitter. The transmitter is configured to transmit the data via a magnetic field. The receiving device includes a magnetometer configured to detect the magnetic field and a second processor configured to decipher the data from the detected magnetic field.Type: GrantFiled: April 4, 2017Date of Patent: June 25, 2019Assignee: LOCKHEED MARTIN CORPORATIONInventors: Jon C. Russo, Gregory S. Bruce, David N. Coar, Wilbur Lew, Julie L. Miller
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Publication number: 20190018091Abstract: A magnetometer for magnetic detection includes a magneto-optical defect center material including at least one magneto-optical defect center that emits an optical signal when excited by an excitation light, a radio frequency (RF) exciter system configured to provide RF excitation to the magneto-optical defect center material, an optical excitation system configured to direct the excitation light to the magneto-optical defect center material, an optical detector configured to receive the optical signal emitted by the magneto-optical defect center material based on the excitation light and the RF excitation, and a magnetic field generator configured to generate a magnetic field detected at the magneto-optical defect center material, the magnetic field generator including a plurality of permanent magnets arranged in a Halbach array.Type: ApplicationFiled: July 10, 2018Publication date: January 17, 2019Applicant: LOCKHEED MARTIN CORPORATIONInventors: Wilbur LEW, Andrew MANDEVILLE, Joseph W. HAHN
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Publication number: 20190018087Abstract: Systems and methods using 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 an optical waveguide assembly comprising an optical waveguide with a hollow core and at least one optical filter coating.Type: ApplicationFiled: July 10, 2018Publication date: January 17, 2019Applicant: LOCKHEED MARTIN CORPORATIONInventors: Joseph W. HAHN, Yongdan HU, Wilbur LEW
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Publication number: 20190018076Abstract: 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: ApplicationFiled: July 10, 2018Publication date: January 17, 2019Applicant: LOCKHEED MARTIN CORPORATIONInventors: Joseph W. HAHN, Cedric H. WU, Yongdan HU, Kenneth Michael JACKSON, Gregory Scott BRUCE, Wilbur LEW, Andrew Raymond MANDEVILLE, Duc HUYNH
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Patent number: 10145910Abstract: 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: GrantFiled: March 24, 2017Date of Patent: December 4, 2018Assignee: LOCKHEED MARTIN CORPORATIONInventors: Kenneth Michael Jackson, Gregory Scott Bruce, Wilbur Lew
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Patent number: 10126377Abstract: 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: GrantFiled: August 9, 2017Date of Patent: November 13, 2018Assignee: LOCKHEED MARTIN CORPORATIONInventors: Joseph W. Hahn, Arul Manickam, Peter G. Kaup, Gregory Scott Bruce, Wilbur Lew, Nicholas M. Luzod, Duc Huynh
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Publication number: 20180275206Abstract: A sensor is described comprising an assembly allowing for the adjustment of light through a plurality of lenses to magneto-optical defect center materials. In some implementations, an initial calibration is done on the sensor system to adjust the relative position of the optical excitation assembly to a base structure to benefit the final intended purpose of the sensor The optical excitation assembly for attachment to a base structure can be described as comprising a slot configured to adjust the optical excitation assembly in a respective linear direction relative to the base structure, an optical excitation source, a lens, and a drive screw mechanism. The drive screw mechanism can be configured to adjust a position of the lens relative to the optical excitation source.Type: ApplicationFiled: March 24, 2017Publication date: September 27, 2018Applicant: Lockheed Martin CorporationInventors: Joseph W. HAHN, Nicholas Mauriello Luzod, Wilbur Lew, Gregory Scott Bruce
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Publication number: 20180275212Abstract: A system for magnetic detection includes a housing including a top plate, bottom plate, side plate, and main plate provided between the side plate and the bottom plate; a magneto-optical defect center material including at least one magneto-optical defect center that emits an optical signal when excited by an excitation light; a radio frequency (RF) exciter system configured to provide RF excitation to the magneto-optical defect center material; an optical light source configured to direct the excitation light to the magneto-optical defect center material; and an optical detector configured to receive the optical signal emitted by the magneto-optical defect center material.Type: ApplicationFiled: March 24, 2017Publication date: September 27, 2018Applicant: Lockheed Martin CorporationInventors: Joseph W. Hahn, Kenneth Michael Jackson, Nicholas M. Luzod, Gregory Scott Bruce, Wilbur Lew, John B. Stetson, JR., Duc Huynh, Andrew Raymond Mandeville, Arul Manickam, Peter G. Kaup
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Publication number: 20180275222Abstract: 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: ApplicationFiled: March 24, 2017Publication date: September 27, 2018Applicant: LOCKHEED MARTIN CORPORATIONInventors: Kenneth Michael JACKSON, Gregory Scott BRUCE, Wilbur LEW
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Publication number: 20180196111Abstract: A system for magnetic detection includes a nitrogen vacancy (NV) diamond material comprising a plurality of NV centers, a radio frequency (RF) excitation source configured to provide RF excitation to the NV diamond material, an optical excitation source configured to provide optical excitation to the NV diamond material, an optical detector configured to receive an optical signal emitted by the NV diamond material, and a controller. The optical signal is based on hyperfine states of the NV diamond material. The controller is configured to detect a gradient of the optical signal based on the hyperfine states emitted by the NV diamond material.Type: ApplicationFiled: March 5, 2018Publication date: July 12, 2018Inventors: Brian P. BOESCH, Gregory Scott BRUCE, Jeff D. CAMMERATA, David Nelson COAR, Laird Nicholas EGAN, Bryan Neal FISK, Wilbur LEW, Arul MANICKAM, Stephen Michael SEKELSKY, John B. STETSON, JR., Peter G. KAUP, Julie Lynne MILLER, Jon C. RUSSO, Emanuel Solomon STOCKMAN, Thomas J. MEYER, James Michael KRAUSE, James P. MABRY, Elton PEPA
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Patent number: 10006973Abstract: A device includes a diamond with one or more nitrogen vacancies, a light emitting diode configured to emit light that travels through the diamond, and a photo sensor configured to sense the light. The device also includes a processor operatively coupled to the photo sensor. The processor is configured to determine, based on the light sensed by the photo sensor, a magnetic field applied to the diamond.Type: GrantFiled: January 21, 2016Date of Patent: June 26, 2018Assignee: LOCKHEED MARTIN CORPORATIONInventors: Joseph W. Hahn, Gregory S. Bruce, Wilbur Lew