Optical waveguides – With optical coupler – Switch
Patent
1995-05-18
1996-09-03
Ullah, Akm E.
Optical waveguides
With optical coupler
Switch
372 10, G02B 626
Patent
active
055531750
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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