Nonlinear pulse compression of a thin-disk amplifier and contrast enhancement via nonlinear ellipse rotation
OPTICS EXPRESS(2022)
Abstract
We demonstrate pulse compressibility from 840 fs to 38 fs of 10 mJ pulses from a thin-disk amplifier at a repetition rate of 3 kHz after nonlinear broadening in a multipass cell. In addition, the temporal-intensity contrast is enhanced via nonlinear ellipse rotation of more than a factor 50 with an optical efficiency of 56%. We believe this is the first published experimental combination of multipass cell-based nonlinear compression and nonlinear ellipse rotation-based contrast enhancement preserving both pulse compressibility and beam quality. (C) 2022 Optica Publishing Group under the terms of the Optics Open Access Publishing Agreement
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Key words
Nonlinear Optics
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