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Updated: May 21, 2026
20 mJ, 1 ps Yb:YAG Thin-disk Regenerative Amplifier
Published on: July 12, 2017
Output spectrum of Yb-doped fiber lasers
S I Kablukov1, E A Zlobina, E V Podivilov
1Institute of Automation and Electrometry, Siberian Branch of Russian Academy of Sciences (SB RAS), Koptyug ave. 1, Novosibirsk 630090, Russia. kab@iae.nsk.su
Abstract:
An analytical model for self phase modulation in Yb-doped fiber laser (YDFL) describing output spectrum and its broadening with increasing power has been developed. Spectral measurements in continuous wave (CW) cladding-pumped YDFL have proved the validity of the model demonstrating hyperbolic secant shape of the spectrum and linear increase of the line width with power in 1-12 W range. At lower powers, spatial hole burning and line self-sweeping effects become important and define the lower limit for the line width.
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