Performance of Yb:Lu2O3 crystal in diode-pumped femtosecond oscillator and high-power regenerative amplifier

E. Caracciolo; F. Pirzio; M. Kemnitzer; A. Guandalini; F. Kienle; A. Agnesi; J. Aus der Au

doi:10.1117/12.2210835

16 March 2016 Performance of the Yb:Lu₂O₃ laser crystal in diode-pumped femtosecond oscillators and high-power regenerative amplifiers

E. Caracciolo, F. Pirzio, M. Kemnitzer, A. Guandalini, F. Kienle, A. Agnesi, J. Aus der Au

Author Affiliations +

Proceedings Volume 9726, Solid State Lasers XXV: Technology and Devices; 97260Z (2016) https://doi.org/10.1117/12.2210835
Event: SPIE LASE, 2016, San Francisco, California, United States

Abstract

We investigated the performance of the laser gain medium Yb:Lu₂O₃ in a low-power oscillator and a high-power regenerative amplifier. Almost Fourier transform limited 78-fs pulses were demonstrated in the low-power, SESAM mode-locked oscillator pumped with a single-mode fiber-coupled laser diode. Exploiting the excellent thermomechanical properties of Yb:Lu₂O₃, we were able to achieve up to 22.2 W of average output power at a repetition rate of 500 kHz and 670-fs long pulses with the regenerative bulk amplifier. Experiments on further power up-scaling and pulse duration shortening are in progress. Up to 65 W were already proved in preliminary tests in cw regime.

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E. Caracciolo, F. Pirzio, M. Kemnitzer, A. Guandalini, F. Kienle, A. Agnesi, and J. Aus der Au "Performance of the Yb:Lu₂O₃ laser crystal in diode-pumped femtosecond oscillators and high-power regenerative amplifiers", Proc. SPIE 9726, Solid State Lasers XXV: Technology and Devices, 97260Z (16 March 2016); https://doi.org/10.1117/12.2210835

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