High power fiber lasers

doi:10.1007/s11467-007-0054-z

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Front. Phys. ›› 2007, Vol. 2 ›› Issue (4) : 410-423. DOI: 10.1007/s11467-007-0054-z

High power fiber lasers

LOU Qi-hong, ZHOU Jun

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Abstract

In this review article, the development of the double cladding optical fiber for high power fiber lasers is reviewed. The main technology for high power fiber lasers, including laser diode beam shaping, fiber laser pumping techniques, and amplification systems, are discussed in detail. 1050 W CW output and 133 W pulsed output are obtained in Shanghai Institute of Optics and Fine Mechanics, China. Finally, the applications of fiber lasers in industry are also reviewed.