Optical accelerometer, gravitometer, and gradiometer

Details Optical accelerometer, gravitometer, and gradiometer Optical accelerometer, gravitometer, and gradiometer

2008-01-29

2008-01-29

Connolly, Patrick (Department: 2877)

Optics: measuring and testing

By light interference

C356S028500, C073S514270

Reexamination Certificate

active

07324205

ABSTRACT:
An optical accelerometer, gravitometer, and gradiometer have a light source, a beam splitter, a light medium, and a plurality of mirrors. The light beam from the light source is split into two beams that counter-propagate through the accelerometer. The acceleration experienced by the accelerometer causes a phase shift in the beams, and this phase shift is used to calculate the acceleration.

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