Apparatus and method for measuring the characteristics of a wavelength division multiplexed optical fiber amplifier

摘要

The present invention relates to an apparatus and method for measuring the characteristics of a wavelength division multiplexed optical fiber amplifier, and more particularly, to an apparatus and method for measuring characteristics of a wavelength division multiplexed optical fiber amplifier, comprising: a plurality of variable wavelength laser source; An optical multiplexer for multiplexing output light of variable wavelength laser signal sources; A wavelength division multiplexed optical fiber amplifier for amplifying the output light of the optical multiplexer; A measuring device connected to one of the optical multiplexer and the wavelength division multiplexing optical fiber amplifier for measuring the intensity and wavelength of the input light; And a plurality of variable wavelength laser signal sources for outputting signal light of a wavelength band to be measured and outputting the signal light of the wavelength division multiplexed optical fiber amplifier in a wavelength band to be measured from the intensity of the output light of the measured optical multiplexer and the intensity of the output light of the wavelength division multiplexed optical fiber amplifier And a control unit for calculating the characteristic.;According to the present invention, it is possible to quickly measure the gain and noise characteristics of a wavelength division multiplexing optical fiber amplifier using a plurality of variable wavelength laser signal sources.