Optical device, optical communication apparatus, and method...

G - Physics – 02 – B

Patent

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G02B 26/08 (2006.01) G02B 26/02 (2006.01) H04B 10/04 (2006.01)

Patent

CA 2639825

An optical device includes an I/O port group and a movable mirror reflecting light input through an input port of the I/O group, aligning the light reflected with an output port of the I/O port group, and changing the angle of the light reflected according to a driving voltage supplied thereto. The optical device further includes a control unit that adjusts the driving voltage within a range lower than the voltage at which the degree of alignment of the light with respect to the output port is maximized and controls attenuation of the light reflected by the moveable mirror.

Un dispositif optique comprend un groupe de ports d'entrée et de sortie et un miroir mobile réfléchissant l'entrée de lumière dans un port d'entrée du groupe d'entrée et de sortie, faisant correspondre la lumière réfléchie avec un port de sortie du groupe de ports d'entrée et de sortie , et changeant l'angle de la lumière réfléchie selon une tension de commande fournie. Le dispositif optique comprend de plus une unité de commande qui règle la tension de commande dans une portée moins élevé que la tension à laquelle le degré de correspondance de la lumière par rapport au port de sortie est maximisé et commande l'atténuation de la lumière réfléchie par le miroir mobile.

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