28 February 2014 High-energy picosecond light source based on cryogenically conduction cooled Yb-doped laser amplifier
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Abstract
We are developing one joule energy and one picosecond pulse duration laser system at the repetition rate of 120 Hz based on Yb-doped solid-state materials. The amplified output from the thin disk regenerative amplifier is amplified by a cryogenically conduction cooled single slab amplifier. In this work, we also present a new measurement method of a gain distribution insensitive to mode matching. One of the advantages of this method is a fact that it provides real dimensions of the gain distribution. Knowledge about it allows one to find the optimum spatial mode matching to maximize the output energy.
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P. Sikocinski, T. Miura, J. Venkatesan, M. Chyla, P. Severová, A. Endo, T. Mocek, "High-energy picosecond light source based on cryogenically conduction cooled Yb-doped laser amplifier", Proc. SPIE 8959, Solid State Lasers XXIII: Technology and Devices, 89590P (28 February 2014); doi: 10.1117/12.2037764; https://doi.org/10.1117/12.2037764
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