| 摘要 |
PROBLEM TO BE SOLVED: To provide a large capacity pure optical switch which has high cross- talk rejection and a flat passband response. SOLUTION: The optical switch includes an array (22) of optical fibers having a plurality of facets, an array of lenses having one lens (24a) corresponding to each fiber (22a) at a position spaced from the array (22) of optical fibers, a plurality of actuators (26) for each independently translating a corresponding lens (24a) by a prescribed amount within a plane along an X-axis and a Y-axis, and a mirror (28) spaced from and generally parallel to the plane of the lens array. The light beam (30) emitted from the facet of a first selected optical fiber (22a) is refracted by one of the lenses (24a), reflected by the mirror (28), returns to the lens array (24), is refracted by another lens, and focused on the facet of a selected second optical fiber (22b). |
