System and method for heading error correction in a pulsed Rb-87 magnetometer at geomagnetic fields

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United States of America

PATENT NO 12174020
APP PUB NO 20220221277A1
SERIAL NO

17333474

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Abstract

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According to various embodiments, a method for reducing heading error in a magnetometer that uses Rb-87 atoms is disclosed. The method includes varying a direction and magnitude of a magnetic field at different spin polarization regimes. According to various embodiments, a magnetometer adapted for reduced heading error is disclosed. The magnetometer includes a multipass cell containing Rb-87 vapor, a pump laser operated in a pulse mode that is synchronous with a Larmor frequency, and two orthogonal probe lasers configured to rotate to vary a direction and magnitude of a magnetic field at different spin polarization regimes.

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Patent Owner(s)

Patent OwnerAddress
THE TRUSTEES OF PRINCETON UNIVERSITY87 PROSPECT AVENUE PRINCETON NJ 08544

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Foley, Elizabeth Plainsboro, US 1 0
Kornack, Tom Plainsboro, US 3 230
Lee, Wonjae Princeton, US 48 95
Limes, Mark Princeton, US 1 0
Lucivero, Vito Giovanni Barcelona, ES 3 0
Romalis, Michael Princeton, US 6 230

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