Method for switching optical signals

Details Method for switching optical signals Method for switching optical signals

1995-05-18

1996-09-10

Ullah, Akm E.

Optical waveguides

With optical coupler

Switch

G02B 626

Patent

active

055555586

ABSTRACT:
The present invention provides an apparatus (74 & 200) for switching an optical signal from an input optical fiber (210) to one of a plurality of output optical fibers (214 & 216). The apparatus (74 & 200) includes a collimator (76) for collimating an input optical signal into a collimated beam (216) at an angle with respect to a reference and a decollimator (78) for focusing the collimated beam to an output optical signal (220). The present invention also includes a reflector (92, 208, 218, & 222) for reflecting the collimated beam. The reflector (92 & 208) has a plurality of positions for changing the angle of the collimated beam (216) with respect to the reference so that the output optical signal (220) is focused on one of the plurality of output optical fibers (214 & 216).

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