Kinematic sensors employing atom interferometer phases

Details Kinematic sensors employing atom interferometer phases Kinematic sensors employing atom interferometer phases

2008-01-08

2008-01-08

Berman, Jack I. (Department: 2881)

Radiant energy

Electrically neutral molecular or atomic beam devices and...

C701S200000, C701S208000, C701S220000, C702S152000

Reexamination Certificate

active

07317184

ABSTRACT:
An apparatus and method for determining the coordinates of a body, where the coordinates express the body's inertial or kinematic properties, including, for example, its trajectory. The apparatus and method employ atom interferometers provided in a body frame X of the body whose inertial or kinematic properties are to be studied. During operation, interfering entities used by the atom interferometers are released into a known frame X′, such as an inertial frame or the Earth frame Xe, that is decoupled from the body frame X and an optical pulse sequence is applied to the interfering entities to affect the quantum-mechanical matter-wave phases of the interfering entities as a function of the coordinates. Under these conditions, the coordinates of the body are determined from the phases of the atom interferometers and analytic expressions for the trajectories of the interfering entities under the simultaneous action of the gravity gradient, Coriolis and centrifugal forces.

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patent: 5274232 (1993-12-01), Chu et al.
patent: 7142983 (2006-11-01), Huddle

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