Sensing coil for a fiber optic gyroscope

Details Sensing coil for a fiber optic gyroscope Sensing coil for a fiber optic gyroscope

G - Physics

01

C

G01C 19/72 (2006.01) G02B 6/44 (2006.01)

Patent

CA 2358121

A fiber optic gyroscope that includes an improved winding transition section otherwise known as a "jog zone". The improved jog zone reduces losses due to microbends and cross-coupling in the fiber optic coil. The reduced losses enable a more accurate measurement of rotation rate of the fiber optic coil, while minimizing unwanted phase-shifts that can cause false readings in the fiber optic gyroscope.

Cette invention concerne un gyroscope à fibres optiques dont l'enroulement comprend une zone de transition améliorée. La zone de transition améliorée permet de réduire les pertes dues aux microcourbures et le couplage transversal à l'intérieur de la bobine de fibres optiques. La diminution des pertes permet une mesure plus précise de la vitesse de rotation de la bobine de fibres optiques, tout en minimisant le déphasage indésirable pouvant être responsable d'erreurs de lecture sur le gyroscope à fibres optiques.

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