Abstract: 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.

Abstract: 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.

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.

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.

Abstract: 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 a light pipe to an optical detector. Light from the material may be directed through an optical filter to an optical detector.

Abstract: 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.

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 includes a readout optical light source configured to provide optical excitation to the material to transition relevant magneto-optical defect center electrons to excited spin states in the material, and a reset optical light source configured to provide optical light to the material to reset spin states in the material to a ground state. The reset optical light source provides a higher power light than the readout optical light source.

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.

Abstract: 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.

Abstract: 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.

Abstract: A device includes a diamond assembly. The diamond assembly includes a diamond with a plurality of nitrogen vacancy centers and electrical components that emit electromagnetic waves. The device also includes a light source configured to emit light toward the diamond and a photo detector configured to detect light from the light source that traveled through the diamond. The device further includes an attenuator between the diamond assembly and the photo detector. The attenuator is configured to attenuate the electromagnetic waves emitted from the electrical components of the diamond assembly.

Abstract: A device includes a diamond assembly. The diamond assembly includes a diamond with a plurality of nitrogen vacancy centers and electrical components that emit electromagnetic waves. The device also includes a light source configured to emit light toward the diamond and a photo detector configured to detect light from the light source that traveled through the diamond. The device further includes an attenuator between the diamond assembly and the photo detector. The attenuator is configured to attenuate the electromagnetic waves emitted from the electrical components of the diamond assembly.

Abstract: 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.

Abstract: A device includes a diamond assembly. The diamond assembly includes a diamond with a plurality of nitrogen vacancy centers and electrical components that emit electromagnetic waves. The device also includes a light source configured to emit light toward the diamond and a photo detector configured to detect light from the light source that traveled through the diamond. The device further includes an attenuator between the diamond assembly and the photo detector. The attenuator is configured to attenuate the electromagnetic waves emitted from the electrical components of the diamond assembly.

Abstract: Systems and apparatuses are disclosed for providing a uniform RF field to a nitrogen vacancy center diamond.

Abstract: 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.

Abstract: A device includes a diamond assembly. The diamond assembly includes a diamond with a plurality of nitrogen vacancy centers and electrical components that emit electromagnetic waves. The device also includes a light source configured to emit light toward the diamond and a photo detector configured to detect light from the light source that traveled through the diamond. The device further includes an attenuator between the diamond assembly and the photo detector. The attenuator is configured to attenuate the electromagnetic waves emitted from the electrical components of the diamond assembly.

Abstract: 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.

Abstract: Systems and apparatuses are disclosed for providing a uniform RF field and magnetic bias field to a nitrogen vacancy center diamond.

Abstract: 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.