Optical fiber measuring device using phase difference

Details Optical fiber measuring device using phase difference Optical fiber measuring device using phase difference

1992-07-07

1994-08-09

Turner, Samuel A.

Optics: measuring and testing

By dispersed light spectroscopy

Utilizing a spectrometer

G01C 1972

Patent

active

053371429

ABSTRACT:
The invention concerns an optical fiber measuring device, for example a gyrometer. The working of this device is independent of possible variations in the spectrum of the source. It includes a narrow, stable spectral filter which separates the incident flux. The modulation chain is slaved by a first detector (3). A second detector (23) receives the filtered flux. Its response is processed by a device (219) which supplies a signal that is a function of the spectrum of the light source (1).

REFERENCES:
patent: 4906096 (1990-03-01), Pavlath
patent: 4969017 (1990-11-01), Lefevre et al.
patent: 5148236 (1992-08-01), Blarg et al.
patent: 5181078 (1993-01-01), Lefevre et al.

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