Variable optical attenuator comprising hollow core waveguide

Details Variable optical attenuator comprising hollow core waveguide Variable optical attenuator comprising hollow core waveguide

G - Physics

02

B

G02B 6/12 (2006.01) G02B 6/24 (2006.01)

Patent

CA 2518069

A variable optical attenuator device is described that comprises a first optical input, a first optical output, a first optical path between the first optical input and the first optical output, and means for moving a shutter across said first optical path. A hollow core waveguide is provided to substantially guide light along the first optical path of the device. The device may also be used to provide an analogue beam splitting or switch function in telecommunication systems and the like.

L'invention concerne un dispositif d'atténuateur optique variable qui comprend une première entrée optique, une première sortie optique, un premier chemin optique entre la première entrée optique et la première sortie optique, et des moyens permettant de placer un obturateur en travers du premier chemin optique. Un guide d'ondes à coeur creux permet de guider sensiblement la lumière sur le premier chemin optique du dispositif. Ce dispositif peut aussi mettre en oeuvre des fonctions de division de faisceau analogique ou de commutation dans des systèmes de télécommunication et analogue.

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