Abstract

Diode-pumped high-power single-mode fiber lasers are compact, reliable and efficient devices. They can provide more than 60% overall optical conversion efficiency and exhibit exceptional diffraction-limited mode quality. When focused to a small spot, fiber lasers can provide very high brightness and power density so that they should be of particular interest for industrial applications. In this paper, the development and the application of high-power fiber lasers have been reviewed. The design and the fabrication of these lasers and some related problems, such as thermal effects, SRS induced nonlinear losses and the optical damage of fiber were investigated and discussed.

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