Optical switch and optical switch device

Details Optical switch and optical switch device Optical switch and optical switch device

2005-08-23

2005-08-23

Font, Frank G. (Department: 2883)

Optical waveguides

With optical coupler

Switch

C385S016000, C385S017000, C385S022000

Reexamination Certificate

active

06934440

ABSTRACT:
An optical switch has at least first, second, and third optical fibers disposed generally parallel to each other and spaced at non-equal intervals in a direction substantially perpendicular to an optical axis of each of the optical fibers. The optical fibers have tip portions disposed approximately along a straight line extending in a direction substantially perpendicular to the optical axis of each of the optical fibers. A first non-movable guiding structure guides a beam of light emitted from the first optical fiber to the second optical fiber along a first optical path disposed between the tip portion of the first optical fiber and the tip portion of the second optical fiber. A second movable guiding structure guides the beam emitted from the first optical fiber to the third optical fiber along a second optical path disposed between the tip portion of the first optical fiber and the tip portion of the third optical fiber so that a length of the second optical path is substantially equal to a length of the first optical path.

REFERENCES:
patent: 5960133 (1999-09-01), Tomlinson
patent: 6259835 (2001-07-01), Jing
patent: 6317532 (2001-11-01), Lin et al.
patent: 6542656 (2003-04-01), Hill
patent: 6650804 (2003-11-01), Mills et al.
patent: 6842555 (2005-01-01), Bhattacharya et al.

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