Lockheed Martin Corporation

Element Six Technologies Limited

Wilbur Lew

Gregory Scott Bruce

Joseph W Hahn

Duc Huynh

Arul Manickam

Peter G Kaup

David Nelson Coar

Jon Carmelo Russo

Julie Lynne Miller

John B Stetson, Jr

Bryan Neal Fisk

Stephen Michael Sekelsky

Kenneth Michael Jackson

Brian P Boesch

Thomas J Meyer

Andrew Raymond Mandeville

Jeff D Cammerata

James Michael Krause

Laird Nicholas Egan

Emanuel Solomon Stockman

Nicholas Mauriello Luzod

Elton Pepa

James P Mabry

Timothy R Riley

Peter V Bedworth

Yongdan Hu

Matthew Lee Markham

Roland Cadotte, Jr

Jacob Louis Swett

Steven W Sinton

Harpreet Kaur Dhillon

Andrew Mark Edmonds

John B Stetson

Alastair Douglas Stacey

Uditha D Jayakody

Jay T Hansen

Jeffrey L Vanduyne

Cedric H Wu

Michael John Dimario

Joseph A Villani

Anjaney Pramod Kottapalli

Gary Edward Montgomery

Margaret Miller Shaw

A single crystal diamond material comprising: neutral nitrogen-vacancy defects (NV); negatively charged nitrogen-vacancy defects (NV); and single substitutional nitrogen defects (N) which transfer their charge to the neutral nitrogen-vacancy defects (NV) 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]/[NV]), [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 T' is a decoherence time of the NVdefects, where T&#x2032; is T* for DC magnetometry or Tfor AC magnetometry.

Nitrogen containing single crystal diamond materials optimized for magnetometry applications

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.

Magnetometer apparatus

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.

DNV magnetic field detector

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.

Magneto-optical detecting apparatus and methods

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.

Diamond nitrogen vacancy sensor with nitrogen-vacancy center diamond located between dual RF sources

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.

Magnetic detection system with highly integrated diamond nitrogen vacancy sensor

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.

Selected volume continuous illumination magnetometer

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.

Communication via a magnio

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.

Photodetector circuit saturation mitigation for magneto-optical high intensity pulses

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.

Magneto-optical defect center magnetometer

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.

Magnetometer with a light emitting diode

A magnetic sensor assembly includes a base substrate and a material assembly. The material assembly is formed on the base substrate. The material assembly includes an assembly substrate. A magneto-optical defect center material having a plurality of magneto-optical defect centers is formed on the assembly substrate. A radio frequency (RF) excitation source is formed on the magneto-optical defect center material.

Diamond nitrogen vacancy sensor with circuitry on diamond

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Mount Laurel, NJ, United States of America

Wilbur Lew