| 摘要 |
An optical demultiplexing/multiplexing device made with a few stable components by easy fabrication processes, which provides a flat response over the specified frequency range. The optical demultiplexing/multiplexing device built in accordance with the present invention consists of feedthrough optical fiber whose optical fiber element at the edge thereof is used to feed the input light signal to the other optical fibers; a set of three multiplexing optical fibers which lead to a set of three first optical fiber elements, each multiplexed into a pair of second optical fiber elements whose edges are cut, sliced and spliced along the axes thereof in predetermined length S to form each of first optical fiber elements with the same diameter as said feedthrough optical fiber elements; paired first and second connector plugs, each having at least three alignment holes which can mate with the corresponding alignment holes in the mating connector plug; and connecting means to keep said first and second connector plugs connected.
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