| 摘要 |
The present invention is an amplifier for amplifying an optic signal. The amplifier includes a signal source transmitting the signal, which includes a signal portion in the L-band. The signal first passes into a first signal manipulator. The first signal manipulator is one or more collimators and/or concentrators and, in some embodiments, can include dichroics or optical manipulators known to those skilled in the art. An input pump is aligned to overlap the signal with pump light. From the first signal manipulator, the signal and the pump light intersects the erbium doped crystal, wherein the pump light excites the crystal and the signal impinges the crystal, amplifying the signal.
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