Multi wavelength sensor array

G - Physics – 01 – D

Patent

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Details

G01D 5/353 (2006.01) G01H 9/00 (2006.01) G01S 3/80 (2006.01)

Patent

CA 2612164

The number of sensors that can be used by an SSA system including a single source can be increased by using a multi wavelength source to send different wavelength pulses to each of a plurality of different sensor array ladders, particularly Sagnac sensor array (SSA) ladders. More particularly, each broadband pulse from a broadband source is wavelength divided into a plurality of narrower pulses with each narrower pulse being used in a separate sensor array ladder.

L'invention concerne l'augmentation du nombre de capteurs pouvant être utilisés par un système de réseau de capteurs à effet Sagnac (SSA) comprenant une source unique par utilisation d'une source de longueurs d'onde multiples afin d'envoyer des impulsions de longueurs d'onde différentes à chacune des échelles en réseau de capteurs différents, en particulier, des échelles SSA. Plus particulièrement, chaque impulsion à large bande provenant d'une source large bande est divisée en longueurs d'onde dans une pluralité d'impulsions plus étroites, chacun d'elles étant utilisée dans une échelle en réseau de capteurs séparés.

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