Erbium-doped fiber circuit Amplifier (LA, In-Line
Amplifier) is an optical power rate Amplifier for optical
fiber laser or optical fiber communication system. It combines the
advantages of PA Amplifier and BA Amplifier, and has the advantages
of high gain, high transmission power and relatively low noise. Used
between fiber segments to increase the length of the relay or to
compensate for branch losses in the corresponding single - to
multipoint portion of an optical access network.
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