Apparatus and method for hypersensitivity detection of magnetic field
First Claim
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1. A system for magnetic detection, comprising:
- 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, wherein the optical signal is based on hyperfine states of the NV diamond material; and
a controller configured to detect a gradient of the optical signal based on the hyperfine states emitted by the NV diamond material.
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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.
332 Citations
21 Claims
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1. A system for magnetic detection, comprising:
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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, wherein the optical signal is based on hyperfine states of the NV diamond material; and a controller configured to detect a gradient of the optical signal based on the hyperfine states emitted by the NV diamond material. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A system for magnetic detection, comprising:
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a nitrogen vacancy (NV) diamond material comprising a plurality of NV centers; means for providing a radio frequency excitation to the NV diamond material; means for providing optical excitation to the NV diamond material; means for receiving an optical signal emitted by the NV diamond material, wherein the optical signal is based on hyperfine states of the NV diamond material; and means for detecting a gradient of the optical signal based on the hyperfine states emitted by the NV diamond material. - View Dependent Claims (8, 9)
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10. A method for increasing measurement sensitivity of a magnetic detection system having a nitrogen vacancy (NV) diamond material comprising a plurality of NV centers, comprising:
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applying RF excitation to the NV diamond material; applying optical excitation to the NV diamond material; measuring an optical signal emitted by the NV diamond material, wherein the optical signal emitted by the NV diamond is based on hyperfine states of the NV diamond material; and detecting a gradient of the optical signal based on the hyperfine states emitted by the NV diamond material. - View Dependent Claims (11, 12, 13, 14)
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15. A system for magnetic detection, comprising:
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a magneto-optical defect center material comprising a plurality of magneto-optical defect centers; a radio frequency (RF) excitation source configured to provide RF excitation to the magneto-optical defect center material; an optical excitation source configured to provide optical excitation to the magneto-optical defect center material; an optical detector configured to receive an optical signal emitted by the magneto-optical defect center material, wherein the optical signal is based on hyperfine states of the magneto-optical defect center material; and a controller configured to detect a gradient of the optical signal based on the hyperfine states emitted by the magneto-optical defect center material. - View Dependent Claims (16, 17, 18, 19, 20)
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21. A method for increasing measurement sensitivity of a magnetic detection system having a magneto-optical defect center material comprising a plurality of magneto-optical defect centers, comprising:
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applying RF excitation to the magneto-optical defect center material; applying optical excitation to the magneto-optical defect center material; measuring an optical signal emitted by the magneto-optical defect center material, wherein the optical signal emitted by the magneto-optical defect center material is based on hyperfine states of the magneto-optical defect center material; and detecting a gradient of the optical signal based on the hyperfine states emitted by the magneto-optical defect center material.
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Specification