Highly efficient mode-locked Yb:Sc2O3 laser |
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| Authors: | Klopp Peter Petrov Valentin Griebner Uwe Petermann Klaus Peters Volker Erbert Götz |
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| Institution: | Max-Born-Institut, Max-Born-Strasse 2a, D-12489 Berlin, Germany. |
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| Abstract: | Passive mode locking of the Yb:Sc2O3 laser is demonstrated. We investigate the laser performance with Ti:sapphire and diode-laser pumping. The laser is mode locked by use of a semiconductor saturable-absorber mirror and emits as much as 0.8 W of power in the picosecond range with a pump efficiency as high as 47%. With dispersion compensation, pulses as short as 230 fs for an average power of 0.54 W are obtained at 1044 nm. This is, to our knowledge, the first femtosecond oscillator based on an Yb-doped sesquioxide crystal. |
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