Magnetic field trimming in an atomic sensor system
US-9829544-B2 · Nov 28, 2017 · US
Ratiometric nuclear magnetic resonance (nmr) gyroscope system
US2016202062A1 · US · A1
| Field | Value |
|---|---|
| Publication number | US-2016202062-A1 |
| Application number | US-201514593827-A |
| Country | US |
| Kind code | A1 |
| Filing date | Jan 9, 2015 |
| Priority date | Jan 9, 2015 |
| Publication date | Jul 14, 2016 |
| Grant date | — |
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Abstract
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An NMR gyroscope system includes a vapor cell that includes an alkali metal, a first gyromagnetic isotope, and a second gyromagnetic isotope, and a pump laser generates an optical pump beam. A magnetic field generator generates a magnetic field that is substantially aligned with a sensitive axis to cause the first and second gyromagnetic isotopes to counter-precess based on the optical pump beam and the alkali metal. A probe laser provides an optical probe beam through the vapor cell that exits the vapor cell as a detection beam, and a detection system monitors the detection beam and to determine a rotation of the NMR gyroscope system about a sensitive axis based on a modulation of the detection beam in response to precession of the first and second gyromagnetic isotopes and based on a predetermined constant ratio of precession of the first and second gyromagnetic isotopes.
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What is claimed is: 1 . A nuclear magnetic resonance (NMR) gyroscope system comprising: a vapor cell comprising an alkali metal, a first gyromagnetic isotope, and a second gyromagnetic isotope; a pump laser configured to generate an optical pump beam; a magnetic field generator configured to generate a magnetic field that is substantially aligned with a sensitive axis to cause the first and second gyromagnetic isotopes to counter-precess based on the optical pump beam and th…
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- What does patent US2016202062A1 cover?
- An NMR gyroscope system includes a vapor cell that includes an alkali metal, a first gyromagnetic isotope, and a second gyromagnetic isotope, and a pump laser generates an optical pump beam. A magnetic field generator generates a magnetic field that is substantially aligned with a sensitive axis to cause the first and second gyromagnetic isotopes to counter-precess based on the optical pump bea…
- Who is the assignee on this patent?
- Griffith Robert C, Northrop Grumman Systems Corp
- What technology area does this patent fall under?
- Primary CPC classification G01C19/62. Mapped technology areas include Physics.
- When was this patent published?
- Publication date Thu Jul 14 2016 00:00:00 GMT+0000 (Coordinated Universal Time) (A1). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).