DNV magnetic field detector

US9910104B2 · kind B2 · utility

Assignee

• Lockheed Martin Corporation · US

Inventors

• Brian Boesch · Herndon, US
• Gregory Scott Bruce · Abington, US
• Jeff D. Cammerata · Medford Lakes, US
• David Nelson Coar · Cherry Hill, US
• Laird Nicholas Egan · Annapolis, US
• Bryan Neal Fisk · Madison, US
• Wilbur Lew · Mount Laurel, US
• Arul Manickam · Marlton, US
• Stephen Sekelsky · Princeton, US
• John B. Stetson, Jr. · New Hope, US
• Peter G. Kaup · Bethesda, US
• Julie L. Miller · Auberry, US
• Jon C. Russo · Cherry Hill, US
• Emanuel Solomon Stockman · Philadelphia, US

Key dates

• Filing date: Jan 21, 2016
• Grant date: Mar 6, 2018
• Expiry date: Jan 21, 2036

Classification

• Technology area (CPC G): Physics
• CPC primary: G05D1/0088
• WIPO field: Measurement
• WIPO sector: Instruments

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.