Segmented waveguide for large diameter fiber optic rotary joint

G - Physics – 02 – B

Patent

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Details

G02B 6/35 (2006.01) G02B 6/36 (2006.01) G02B 26/08 (2006.01) H04B 10/22 (2006.01)

Patent

CA 2352691

These and other objects of the present invention are achieved by a segmented waveguide for a fiber optic rotary joint. The segmented waveguide is mountable to the existing stator surface. The segmented waveguide is capable of receiving signals from the rotor. The fiber optic rotary joint includes a rotor and an existing stator surface. The rotor is rotatable through a full 360° and is concentric to the existing stator surface. The rotor has one of a plurality of light transmitters and light receivers connected to a first circumference of the rotor. The segmented waveguide includes a reflective waveguide surface shaped to match a portion of existing stator surface. At least one waveguide support supports the reflective waveguide surface and is connectable to the existing stator. At least one of a light transmitter or light transmitter is optically coupled to a reflective waveguide surface.

Ces objets ainsi que d'autres éléments de la présente invention sont obtenus par un guide d'onde segmenté pour une articulation rotoïde de fibres optiques. Le guide d'onde segmenté peut être monté sur la surface de stator existant. Le guide d'onde segmenté est capable de recevoir des signaux à partir du rotor. L'articulation rotoïde de fibres optiques comprend un rotor et une surface de stator existant. Le rotor peut effectuer une rotation complète de 360.degrés. et est concentrique autour de la surface de stator existant. Le rotor comporte une pluralité d'émetteurs de lumière et de récepteurs de lumière reliés à une première circonférence du rotor. Le guide d'onde segmenté comprend une surface réfléchissante dont la forme correspond à une partie de la surface de stator existant. Au moins un support de guide d'onde soutient la surface réfléchissante du guide d'onde et peut être connectée au stator existant. Au moins un émetteur de lumière ou un émetteur de lumière est optiquement couplé à une surface réfléchissante du guide d'onde.

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