Reduction of fiber optic gyroscope vibration and temperature-ram

Details Reduction of fiber optic gyroscope vibration and temperature-ram Reduction of fiber optic gyroscope vibration and temperature-ram

1997-04-23

1998-12-08

McGraw, Vincent P.

Optics: measuring and testing

By dispersed light spectroscopy

Utilizing a spectrometer

G01C 1964

Patent

active

058478299

ABSTRACT:
A method for providing an optical fiber coil having reduced bias vibration and bias temperature-ramp sensitivity by controlling and adjusting coil geometrical factors including the coil potted length, the adhesive layer thickness, the number of turns per layer, the number of layers and the way the winding is terminated. The windings may be terminated to form the coil as a complete quadrupole, a diapole, an incomplete quadrupole or an incomplete diapole. By adjusting geometrical factors of the coil design, a coil for which the residual net Shupe bias is negligible is obtained.

REFERENCES:
patent: 5329349 (1994-07-01), Patterson et al.
patent: 5546482 (1996-08-01), Cordova et al.
Nicholas J. Frigo, Fiber Optic and Laser Sensors, I"Compesation of Linear Sources of Non-Reciprocity in Sagnac Interferometers", Proc. SPIE, vol. 412, 1983.
D.M. ShupeOptical Society of America"Thermally Induced Non-Reciprocity in the FIber Optic Interferometer" Applied Optics, vol. 19(5)1980.

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