Method for evaluating signals of a fiber optical gyroscope or Sa

Details Method for evaluating signals of a fiber optical gyroscope or Sa Method for evaluating signals of a fiber optical gyroscope or Sa

1990-04-10

1992-01-14

Turner, Samuel

Optics: measuring and testing

By dispersed light spectroscopy

Utilizing a spectrometer

G01C 1972

Patent

active

050804880

ABSTRACT:
A method and system for evaluating signals from a fiber optical gyro employs a 3.times.3-coupler which makes it possible to ascertain a precise Sagnac-Signal in spite of the fact that the fluctuations of the optical characteristics of the fiber coil are unknown. Thus, a high precision is assured, while simultaneously reducing the quality requirments for the optical components of the system.

REFERENCES:
patent: 4440498 (1984-04-01), Sheem
patent: 4479715 (1984-10-01), Sheem
patent: 4653917 (1987-03-01), Moeller et al.

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