Multiple optical switches using refractive optics

Details Multiple optical switches using refractive optics Multiple optical switches using refractive optics

2005-03-29

2005-03-29

Ullah, Akm Enayet (Department: 2874)

Optical waveguides

With optical coupler

Switch

C385S025000

Reexamination Certificate

active

06873757

ABSTRACT:
A mechanical optical switch includes a port, a first lens element, a free beam path, and a beam guiding element. The port is adapted to receive a first group of optical fibers. The first lens element has an optical axis and is positioned in front of the first group of optical fibers. The free beam path couples light beams from a second group of optical fibers to the first lens element such that the light beams are coupled to the first group of optical fibers in a first coupling arrangement. The beam guiding element is configured to move into and out of the free beam path. Moving the beam guiding element into the free beam path shifts the light beams by an offset and rotates the light beams by an angle such that the light beams propagate to the first lens element and are coupled into the first group of optical fibers in a second coupling arrangement.

REFERENCES:
patent: 4322126 (1982-03-01), Minowa et al.
patent: 6215919 (2001-04-01), Li et al.

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