750-W double-clad ytterbium tapered fiber laser with nearly theoretically limited efficiency

Valery Filippov; Yuri Chamorovskii; Juho Kerttula; Konstantin Golant; Oleg G. Okhotnikov

doi:10.1117/12.841239

17 February 2010 750-W double-clad ytterbium tapered fiber laser with nearly theoretically limited efficiency

Valery Filippov, Yuri Chamorovskii, Juho Kerttula, Konstantin Golant, Oleg G. Okhotnikov

Proceedings Volume 7580, Fiber Lasers VII: Technology, Systems, and Applications; 758017 (2010) https://doi.org/10.1117/12.841239
Event: SPIE LASE, 2010, San Francisco, California, United States

Abstract

We report the theoretical and experimental study of the properties of an active tapered double clad fiber (T-DCF). Optimization of the most important parameters of T-DCF such as tapering ratio, longitudinal profile, core/clad ratio and absorption have been considered. Using optimized T-DCF design we have demonstrated a high-power (750W) and highly efficient (80%) ytterbium fiber laser.

Citation Download Citation

Valery Filippov, Yuri Chamorovskii, Juho Kerttula, Konstantin Golant, and Oleg G. Okhotnikov "750-W double-clad ytterbium tapered fiber laser with nearly theoretically limited efficiency", Proc. SPIE 7580, Fiber Lasers VII: Technology, Systems, and Applications, 758017 (17 February 2010); https://doi.org/10.1117/12.841239

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