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25 February 2008 High-average power femtosecond pulse generation from a Yb-doped large-mode-area microstructure fiber laser
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Abstract
We report on a all-normal dispersion mode-locked fiber laser based on a large-mode-area ytterbium-doped microstructure fiber and using a high nonlinear modulation depth semiconductor saturable absorber mirror (SESAM). The laser delivers 3.3 W average output power with positively-chirped 5.5 ps pulses at a center wavelength of 1033 nm. The pulse repetition rate is 46.4 MHz, which results in an energy per pulse of 71 nJ. These pulses are extra-cavity de-chirped down to 516 fs using bulk gratings. The average power of the de-chirped pulses is 2.3 W, which corresponds to a peak power of more than 96 kW.
© (2008) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
C. Lecaplain, C. Chedot, A. Hideur, B. Ortaç, and J. Limpert "High-average power femtosecond pulse generation from a Yb-doped large-mode-area microstructure fiber laser", Proc. SPIE 6873, Fiber Lasers V: Technology, Systems, and Applications, 68730S (25 February 2008); https://doi.org/10.1117/12.763558
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