Highly efficient 750 W tapered double-clad ytterbium fiber laser | Zendy

В. Н. Филиппов | Zendy; Juho Kerttula | Zendy; Yuri Chamorovskii | Zendy; К.М. Голант | Zendy; Oleg G. Okhotnikov | Zendy

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Highly efficient 750 W tapered double-clad ytterbium fiber laser

Author(s) -

В. Н. Филиппов,

Juho Kerttula,

Yuri Chamorovskii,

К.М. Голант,

Oleg G. Okhotnikov

Publication year - 2010

Publication title -

optics express

Language(s) - Polish

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.18.012499

Subject(s) - tapering , materials science , optics , fiber laser , ytterbium , slope efficiency , laser , cladding (metalworking) , double clad fiber , laser power scaling , core (optical fiber) , optical fiber , plastic optical fiber , multi mode optical fiber , composite material , physics , computer graphics (images) , computer science

The results of theoretical and experimental studies of active tapered double-clad fibers, intending the optimization of its imperative parameters--tapering ratio, longitudinal profile, core/cladding diameters ratio, are presented. Using a refined taper geometry we have demonstrated power scaling of a ytterbium fiber laser pumped by low-brightness, cost-effective laser diodes up to 750 W, with 80% efficiency.

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