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Ashrafi Belgabad A, Bananej A, Eslami E, Farokhnezhad M, Azari A. Investigate of stimulated Brillouin scattering in high-power fiber-lasers at different pumping configurations. ICOP & ICPET _ INPC _ ICOFS 2015; 21 :417-420
URL: http://opsi.ir/article-1-599-en.html
URL: http://opsi.ir/article-1-599-en.html
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Abstract: (5002 Views)
Theoretical analysis of stimulated Brillouin scattering (SBS) in high power ytterbium-doped double-clad (YDDC) fiber lasers is presented by solving the steady-state rate equations with regard to SBS at different pumping configurations. Distribution of pump, signal and Stokes waves powers in forward, backward and bi-directional pumping configurations through the fiber are investigated. Also, distribution of population inversion through the fiber is shown. Studies shows that amount of backward Brillouin Stokes power in forward pumping configuration is higher than other configurations.
Keywords: High-Power Fiber Lasers, Lasers, Stimulated Brillouin Scattering, Ytterbium Doped Double-Clad Fiber
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