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Long-period fiber grating as wavelength selective element in double-clad Yb-doped fiber-ring lasers

By P. Peterka, J. Maria, B. Dussardier, R. Slavík, P. Honzátko and V. Kubeček


Cladding-pumped ytterbium-doped fiber lasers belong presently among the most attractive high-power laser sources for wavelengths around 1060 nm. While the most typical configuration of the fiber laser cavity is linear Fabry-Perot arrangement with fiber Bragg gratings (FBGs), for some applications the ring cavity is preferable as it offers higher stability when unidirectional operation is enforced with fiber optic isolator [1]. Indeed, Yb doped fiber lasers are prone to the so-called sustained self pulsing that in the case of highly Yb-doped fiber (YDF) may lead to relatively stable self-Q-switched operation [2]. Occurrence of this phenomenon complicates investigation of laser configurations that use other Q-switching mechanism possibly allowing for more stable operation, other repetition rate and peak power, et

Topics: QC, TK
Year: 2009
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Provided by: e-Prints Soton
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