Lightwave phase control for reduction of resonator fiber...

Details Lightwave phase control for reduction of resonator fiber... Lightwave phase control for reduction of resonator fiber...

G - Physics

01

C

G01C 19/72 (2006.01)

Patent

CA 2184496

An error reducer for reducing rotation rate errors arising because of an optical Kerr effect occurring in a coiled optical fiber in a rotation sensor. Through amplitude modulating electromagnetic waves propagating in that coil. A signal obtained from the coil based on the amplitude modulation component therein is used in a feedback loop to reduce or eliminate such errors.

Reducteur d'erreurs destiné à reduire les erreurs de vitesse de rotation dues à un effet optique Kerr se produisant dans une fibre optique spiralée intégrée dans un detecteur de rotation, au moyen d'ondes électromagnétiques modulant l'amplitude qui se propagent dans cette spirale. Un signal associé à la spirale fondé sur l'élément intégré de modulation de l'amplitude est utilisé dans une boucle de rétroaction pour réduire ou éliminer ce type d'erreurs.

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