Multimode fiber optic rotation sensor

Details Multimode fiber optic rotation sensor Multimode fiber optic rotation sensor

1981-11-06

1984-06-26

McGraw, Vincent P.

Optics: measuring and testing

By dispersed light spectroscopy

Utilizing a spectrometer

G01C 1964, G01B 902

Patent

active

044563779

ABSTRACT:
A fiber optic rotation sensor utilizes multimode optical fiber to improve power coupling and reduce coherent back scattering. A multimode light source such as a light emitting diode can be used. The system is economical and environmentally stable.

REFERENCES:
patent: 3102953 (1963-09-01), Wallace
patent: 3395270 (1968-07-01), Speller
"Fiber-Optic Rotation Sensing With Low Drift", Ulrich, Optics Letters, vol. 5, No. 5, May 1980, pp. 173-175.
"Sag Nac-Fiber-Ring Interferometer Gyro With Electronic Phase Sensing Using a (GaAl)As Laser", Thompson et al., Appl. Phys. Lett., 33, (11), Dec. 1, 1978, pp. 940-941.

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