Fiber optic accelerometer

Details Fiber optic accelerometer Fiber optic accelerometer

2005-05-03

2005-05-03

Chapman, John E. (Department: 2856)

Measuring and testing

Speed, velocity, or acceleration

Acceleration determination utilizing inertial element

C356S477000

Reexamination Certificate

active

06886404

ABSTRACT:
An acceleration transducer for use in an accelerometer includes a proof mass that comprises a transmissive optics device arranged to receive an optical signal such that the optical signal propagates through the transmissive optics device along a first optical path having a selected optical path length. A support assembly is arranged to support the proof mass such that the transmissive optics device moves from a reference position along a selected sensing axis in response to an acceleration of the proof mass along the selected sensing axis and produces an optical path length change that indicates the acceleration.

REFERENCES:
patent: 4233847 (1980-11-01), Walker
patent: 4739661 (1988-04-01), Bucholtz et al.
patent: 4900918 (1990-02-01), Killian
patent: 5891747 (1999-04-01), Farah

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