Temperature monitoring and early warning method for erbium-doped optical fiber amplifier
An amplifier temperature, erbium-doped fiber technology, applied in the field of optical fiber communication, can solve problems such as affecting the quality of optical signals, achieve good gain effect and working ability, and prevent damage.
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[0032] The specific scenario targeted by the present invention is: on the optical fiber transmission line, an erbium-doped fiber amplifier is placed at a certain distance, and the erbium-doped fiber amplifier includes an erbium-doped fiber (EDF), a pump light source, an optical coupler, and an optical isolator , Optical filters, etc.
[0033] see figure 1 , which shows a flow chart of the steps of an erbium-doped fiber amplifier temperature monitoring and early warning method provided by an embodiment of the present invention, the method includes the following steps:
[0034] First, obtain the temperature of the pump laser inside each erbium-doped fiber amplifier for a period of time when it is working normally, and select two sets of data as the first temperature sequence and the second temperature sequence; wherein the pumping lasers inside each erbium-doped fiber amplifier The lasers have the same working power, and the erbium-doped fiber amplifiers are arranged on the sam...
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