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We demonstrate the capability of a highly efficient Yb3+:YAG regenerative MOPA system to produce sub-nanosecond shaped pulses at 10 to 50 mJ energy. The main design issues are reviewed versus the pulse width-energy trade off
Cryogenically cooled gain-switched ytterbium doped sesquioxide diode-end-pumped lasers are studied. We obtained 521 mJ and an optical-optical efficiency of 53%. Temperature effects on the emitted wavelength are investigated
We report on a Q-switched fiber laser producing pulse durations well below 10 ns by using a short-length ytterbium-doped rod-type photonic crystal fiber as gain medium. At repetition rates up to 100 kHz pulse energies up to 0.5 mJ and average powers in excess of 30 W have been obtained in single-transverse mode beam quality. The compact short pulse laser system possesses further power and energy scaling...
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