optical-fiber amplifier

optical-fiber amplifier

[‚äp·tə·kəl ‚fī·bər ′am·plə‚fī·ər]
(communications)
A device for amplifying signals transmitted over optical fibers, consisting of a low-loss single-mode fiber made of basic silica glass, along whose length gain is generated by coupling pump light at either or both fiber ends, or at periodic locations in between.
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