15 October 2012 Enhancing of thermal effects in ultra-fattening Yb-doped fiber lasers
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The thermal effect of an Yb-doped fiber laser with fattening is numerically investigated. We have identified two principal sources of thermal sensitivity: The temperature dependence of the cross-section of the pump and signal radiations, and modifications of the numerical aperture (NA) due to changes in temperature. We have found that the first factor affects principally the thermal response of the fiber laser with fattening and this sensitivity can be modulated according to the fattening ratio. Additionally this thermal response is higher than that found in doped fibers without fattening. Our results are reproducible and contribute with new information for the development of novel temperature fiber laser sensors
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G. Sánchez-Guerrero, G. Sánchez-Guerrero, D. Toral, D. Toral, A. Castillo-Guzmán, A. Castillo-Guzmán, V. Guzmán-Ramos, V. Guzmán-Ramos, D. E. Ceballos-Herrera, D. E. Ceballos-Herrera, R. Selvas-Aguilar, R. Selvas-Aguilar, } "Enhancing of thermal effects in ultra-fattening Yb-doped fiber lasers", Proc. SPIE 8490, Laser Beam Shaping XIII, 84900N (15 October 2012); doi: 10.1117/12.929852; https://doi.org/10.1117/12.929852


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