Analytical formulation of an Yb-doped tandem-pumping fiber amplifier
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2021
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SBFOTON INTERNATIONAL OPTICS AND PHOTONICS CONFERENCE
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An analytical formulation of a multi-kilowatt ytterbium-doped double-cladding tandem-pumped fiber amplifier was developed and is reported in this paper. The model consists of a system including the laser rate, pumping and seed power equations. The model was validated by describing a fiber amplifier behavior with a 5.986kW, 1018nm pumping and a signal seed of 75W, 1080nm, yielding a maximum power output of 5.448kW, with an efficiency of 91.1%. The thermal equations are solved for the temperature distribution along the fiber with a maximum temperature of 43.24°C, when the convective coefficient of 4000W. m-2. K -1 is used.
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MELO, PEDRO B. dos S.; SAMAD, RICARDO E.; MOTTA, CLAUDIO C. Analytical formulation of an Yb-doped tandem-pumping fiber amplifier. In: SBFOTON INTERNATIONAL OPTICS AND PHOTONICS CONFERENCE, May 31 - June 2, 2021, Online. Proceedings... Piscataway, NJ, USA: IEEE, 2021. DOI: 10.1109/SBFOTONIOPC50774.2021.9461980. Disponível em: http://repositorio.ipen.br/handle/123456789/32329. Acesso em: 30 Dec 2025.
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