| http://www.w3.org/ns/prov#value | - 20080267227Gain-clamped optical amplifier using double-clad fiber - Provided is a gain-clamped optical amplifier amplifying light without bandwidth loss of an incident optical signal, and the gain-clamped optical amplifier using a double-clad fiber comprises: an optical fiber including a core doped with a gain material for amplifying an optical signal, a primary clad adjacent to the outside of the
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