| 摘要 |
A gain equalizer comprising an optical element having first and second input ports and an output port wherein the first transmission wavelength characteristics between the first input port and the output port and the second transmission wavelength characteristics between the second input port and the output port vary inversely each other relative to wavelengths, first and second input optical fibers to connect to the first and second input ports respectively, an output optical fiber to connect to the output port, and a housing to store the optical element.
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