Method and system for calibrating a fiber optic gyroscope

Details Method and system for calibrating a fiber optic gyroscope Method and system for calibrating a fiber optic gyroscope

2005-11-29

2008-11-18

Turner, Samuel A (Department: 2877)

Optics: measuring and testing

By light interference

Rotation rate

Reexamination Certificate

active

07453576

ABSTRACT:
According to one aspect of the present invention, a method for calibrating a fiber optic gyroscope is provided. A method is provided for calibrating a fiber optic gyroscope. First and second portions of light from a first light source are propagated through a fiber optic line in respective first and second directions. A first voltage that causes a predetermined phase shift between the first and second portions of the light from the first light source is calculated. First and second portions of light from a second light source are propagated through the fiber optic line in the respective first and second directions. A second voltage that causes the predetermined phase shift between the first and second portions of the light from the second light is calculated. A difference between the first voltage and the second voltage is then calculated.

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