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Opt Lett. 2011 Nov 15;36(22):4425-7. doi: 10.1364/OL.36.004425.

Diode-pumped mode-locked Yb:YCOB laser generating 35 fs pulses.

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  • 1Max-Born-Institut für Nichtlineare Optik und Kurzzeitspektroskopie, Berlin, Germany.


Direct sub-50-fs pulse generation is demonstrated with a mode-locked Yb:YCa4O(BO3)3 laser. With external compression, pulses as short as 35 fs are generated at 1055 nm. The oscillator operating at a repetition rate of 95 MHz is pumped by a two-section distributed Bragg reflector tapered diode laser and mode locked by a semiconductor saturable absorber mirror. The onset of self-Raman-conversion for pulse spectral bandwidths exceeding 40 nm (FWHM) is observed.

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