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Shatery Nejad N, Hekmat M J, Zangeneh H R. Design and fabrication of CW low signal Ytterbium doped fiber amplifier. ICOP & ICPET _ INPC _ ICOFS 2014; 20 :1129-1132
URL: http://opsi.ir/article-1-439-en.html
URL: http://opsi.ir/article-1-439-en.html
Abstract: (5388 Views)
In this paper, we have presented the theoretical and experimental models to design and fabricate CW YDDC fiber amplifier in weak input signals.First of all by using RP fiber power software, , the effects of changing power of signal and pump on the ASE power, which is one of the greatest sources of noise in amplifiers, have been simulated. Second, the schematics of amplifier has been designed and fabricated. We have assessed two signal diode lasers one with 0.5 nm line width and the other one with 30 MHz then we compared them with each other. Finally by choosing appropriate elements we have obtained narrow line width signal, the results showed amplification of almost 80 W as an output signal from 200mW input signal power and the rate efficiency was about 70% .
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