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Karimi M, Jamshidi-Ghaleh K, Amniat Talab M, Sepahvand A, Shohani A. Calculation of refractive index variation in fiber amplifier with convection and radiation heat transfer from fiber surface . ICOP & ICPET _ INPC _ ICOFS 2018; 24 :677-680
URL: http://opsi.ir/article-1-1497-en.html
URL: http://opsi.ir/article-1-1497-en.html
1- Institute of Nuclear Science and Technology, AEOI
2- Department of Physics, Azarbaijan Shahid Madani University
3- Department of Physics, Urmia University
2- Department of Physics, Azarbaijan Shahid Madani University
3- Department of Physics, Urmia University
Abstract: (2255 Views)
In the present paper, by increasing the radiation effect on convection heat term, the heat transfer equation was rewritten at the fiber amplifier. By numerical solving of the fourth order equation, the surface temperature of fiber amplifier was determined and then using it, the temperature and refractive index at any longitudinal and radial distance of fiber amplifier was determined. The temperature variation of different pump power was calculated and the results were interpreted.
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